Building permits for unincorporated Washoe County are issued by the Washoe County Building and Safety Division at 1001 East 9th Street in Reno. The county holds 519,471 residents, but a large majority of them live inside Reno or Sparks — both of which run their own building departments — so the county's actual permitting territory is the unincorporated remainder, and it is geographically vast and unusually varied.
This guide covers the department and how to reach it, the code edition that actually governs a filing here and when it changed, the statutory conditions on permit issuance that sit outside the building code, what permits cost and who may pull them, and how inspections are booked.
This guide covers work in unincorporated Washoe County. Work inside Reno or Sparks city limits is permitted by those cities.
The county office is in Reno, and that is not a statement about jurisdiction. Washoe County Building and Safety operates from an East 9th Street address inside the City of Reno, but the county permits only unincorporated territory. Reno and Sparks each permit their own limits, and the three authorities do not share adopted code editions. Confirm which one holds the parcel before you rely on anything else in this guide.
What requires a building permit in Washoe County?
Under the Washoe County Code and the county's adopted construction codes, a permit is required before most construction, alteration, demolition, repair, relocation, change of occupancy and trade work begins in unincorporated Washoe County.
Permit required
- New residential and commercial construction, additions, remodels and tenant improvements
- Structural alterations, foundations, decks, patio covers, garages and accessory buildings
- Electrical service changes, panel work, new circuits, generators, EV chargers and solar
- Plumbing, gas piping, water heaters, sewer and water connections and fixture relocations
- Mechanical and HVAC installations, change-outs, ductwork and commercial exhaust
- Re-roofing, pools and spas, walls and fences over the local height, demolition and grading
Typically exempt
- Painting, wallpaper, floor covering, trim, cabinets and countertops
- Like-for-like repair with no structural, electrical, plumbing or mechanical change
- Small detached accessory structures below the local threshold, where zoning allows and no utilities are run
- Portable equipment and temporary work the adopted code specifically exempts
Exemptions are narrow and local, and an exemption from a building permit is not an exemption from zoning, setbacks, floodplain rules, utility approval or a fire authority review. Confirm scope with the department before work starts rather than after.
Which code edition applies
Washoe County adopts its construction codes in an unusually precise form. Rather than adopting a code wholesale, the county has adopted the 2018 editions by named “First Print” with the applicable chapters and appendices enumerated — the International Building Code chapters 1 to 35 with appendices C, E and I; the International Residential Code chapters 1 to 44 with appendices A, B, C, G, H, J, K and Q; the Uniform Plumbing Code chapters 1 to 17 with appendices A, B, D, E, I and L; the Uniform Mechanical Code chapters 1 to 17; the 2017 National Electrical Code; and the International Existing Building Code chapters 1 to 16 with appendices — together with the Northern Nevada Amendments. The county has indicated it will move to the 2024 editions.
Nevada does not have a statewide building code for private construction. Under NRS § 278.580(1) the governing body of any city or county may adopt a building code and the rules for enforcing it — adoption is permissive, and it happens locally. That is why the adopted edition in Nevada is a question about your jurisdiction and not about the state, and why the answer ranges from the 2024 I-Codes in some jurisdictions to editions two decades older in others, with a handful of rural counties adopting no construction code at all.
Two state authorities sit alongside the local one and are frequently confused with it. The Nevada State Public Works Division permits and inspects work on state-owned land under NAC 341.045, and the Nevada State Fire Marshal adopts fire and related codes by reference under NAC 477.283. Neither replaces the Washoe County Building and Safety Division permit for ordinary private construction.
One technical requirement is mandatory statewide, and it is seismic. NRS § 278.580(6) requires every governing body to amend its building codes to include the seismic provisions of the International Building Code and standards for the investigation of hazards relating to seismic activity — expressly including potential surface ruptures and liquefaction. Nevada is among the most seismically active states in the country, and this is the one substantive provision the Legislature has imposed on every local code in it. Geotechnical and foundation scope is not a formality here.
Who handles permitting in Washoe County?
Washoe County permits unincorporated territory only. That territory runs from the northern valleys through Spanish Springs and the Truckee Meadows fringe to the Nevada shore of Lake Tahoe, and it includes wildland-urban interface, steep terrain, private well and septic areas and floodplain — conditions that rarely all appear inside one authority.
| Detail | Information |
|---|---|
| Authority | Washoe County Building and Safety Division |
| Offices | 1001 East 9th Street, Reno, Nevada 89512 |
| Phone | 775-328-2020 |
| Counter hours | Monday to Friday, 7:30am to 12:00pm and 1:15pm to 4:00pm |
| Apply | OneNV / Accela online permitting |
| Jurisdiction | Unincorporated Washoe County only |
| Separate authorities | City of Reno, City of Sparks, and TRPA in the Tahoe basin |
| Governing code | 2018 editions by enumerated chapter and appendix, Northern Nevada Amendments |
The Washoe County counter closes for 75 minutes in the middle of every day. Building and Safety is open Monday to Friday, 7:30am to 12:00pm and again from 1:15pm to 4:00pm. It is a five-day week — unlike the four-day pattern across the Las Vegas Valley — but the effective day is short and it has a hole in the middle. Arriving at 12:30 with a set to lodge means waiting or coming back.
Because so much unincorporated territory sits in the wildland-urban interface and on steep or difficult ground, defensible space, access, water supply for firefighting and geotechnical conditions are recurring review subjects. The mandatory seismic investigation standards under NRS § 278.580(6) are particularly live here: the eastern Sierra front is an active fault environment, and foundation and site work should be scoped accordingly.
Nevada legislates by population class, and Washoe County is on the high side of the line. Rather than naming jurisdictions, the Legislature writes population thresholds — and two of them bite here. NRS § 278.581 requires every county of 100,000 or more, and each city within it, to adopt construction and energy codes governing the energy-efficient design of residential, commercial and industrial structures and the installation of energy-efficient mechanical, lighting and power systems. A jurisdiction of this size that had adopted no building code at all would still have to adopt these by ordinance and provide for their enforcement, including by interlocal agreement with another local government’s officers.
NRS § 278.577 uses the same 100,000 threshold to regulate the people reviewing your plans. A jurisdiction of this class must publish a list of approved certifying organisations, require the building official, plan reviewers and inspectors to hold certification from one of them, set continuing-education requirements of at least 45 hours every three years, and prohibit uncertified persons from filling those roles. An uncertified employee may act only under the supervision of a certified one, and for no more than one year. The reviewer looking at your drawings is credentialed by statute.
Permit types
Residential permits
Residential work in unincorporated Washoe County ranges from Truckee Meadows fringe subdivisions to remote parcels on private well and septic, and to high-value lakefront construction at Incline Village and Crystal Bay under regional planning control. Snow load, wind exposure, defensible space and access for emergency apparatus vary substantially across the county, and a design that clears review in one valley may not clear it in another.
The prerequisites that sit outside the building code
Nevada’s most easily missed requirements are not in the adopted I-Codes at all. They sit in Chapter 278 of the Nevada Revised Statutes, and several of them are conditions on issuance — meaning the department cannot hand you the permit until they are satisfied, however complete your drawings are.
- The construction committee report (NRS § 278.563–278.568). Where land in an unincorporated area is governed by recorded deed restrictions with a construction committee, NRS § 278.566 requires a written report from that committee before the building official may issue a building permit. The committee’s officers file an annual affidavit with the building official and the deed restrictions themselves are filed with the department. A private covenant body is a statutory gate on a public permit — and NRS § 278.567 sets out what happens when the committee is inoperative.
- Manufactured home title surrender (NRS § 278.02095(4)). Before a building department may issue a permit to place a manufactured home that is not new, the owner must surrender the certificate of title to the Housing Division and submit the Division’s proof of surrender to the department.
- The statement of restrictions (NRS § 278.573). An owner issued a permit for construction on their own residence must be given a statement of restrictions in text prescribed by statute, and must acknowledge receipt in writing.
- A limit on what may be demanded (NRS § 278.02317). A governing body may not require the dedication of real property as a condition of issuing a building permit, subject to stated exceptions. It is worth knowing the boundary runs in both directions.
Residential sprinklers are procedurally gated, not assumed
Nevada took a distinctive route on residential fire sprinklers. NRS § 278.586 allows a governing body to require automatic sprinklers in a new residential dwelling unit with less than 5,000 square feet of livable space only if it has first conducted an independent cost-benefit analysis and made findings — unless it instead determines at a public hearing that the unique characteristics or location of the dwelling would cause an unreasonable delay in firefighter response time, weighing water availability, firefighter access and topography. The section does not stop a locality enforcing a development agreement that requires sprinklers, and it does not stop anyone installing them voluntarily.
The upshot is that the residential sprinkler answer in Nevada is genuinely local and has a paper trail behind it. Do not carry an assumption across a jurisdiction line in either direction.
Commercial permits
Commercial activity in the unincorporated county is dominated by the industrial and logistics corridor east of the Truckee Meadows, together with resort and commercial development at Tahoe under regional control. Large industrial projects bring grading, drainage, traffic, utility and fire-flow review alongside the building set, and the scale of the northern Nevada distribution market means those reviews are frequently running on several projects at once.
Three recent statutory changes that are easy to miss
Nevada’s 2025 legislative session and the sessions before it left several requirements that have only just come into force, and they are not yet reflected in most published guidance.
- Accessory dwelling units — NRS § 278.257, effective 1 July 2026. Governing bodies are directed to adopt an ordinance authorising the development and use of accessory dwelling units on residential property. This took effect a matter of weeks ago; local implementation is still settling, so confirm the current ordinance rather than the statute alone.
- By-right multifamily and mixed use — NRS § 278.02071, deadline 1 March 2026. Each governing body had to adopt an ordinance authorising, by right, multifamily housing or mixed-use development including residential use on property zoned commercial. Property zoned for industrial use is excluded, as is property zoned for or in relation to an airport and anything inside the Tahoe Regional Planning Compact region.
- An expedited lane for attainable housing — NRS § 278.02072. Every county and city must enact by ordinance an expedited process for considering and approving attainable-housing projects, prioritised so far as practicable over all other projects, together with incentives to use it. If your project qualifies, ask for the lane by name.
Provisions that shape a Nevada submittal
Solar has statutory protection. NRS § 278.0208 prohibits a governing body from adopting any ordinance, regulation or plan, or taking any action, that prohibits or unreasonably restricts an owner’s use of a solar energy system, and voids private covenants that do the same. A restriction that cuts system efficiency or performance by more than ten per cent of the original specification is deemed unreasonable, as is a ban on black solar glazing. NRS § 278.580(4) separately requires governing bodies to amend codes and zoning to permit solar and wind systems and resource-conserving materials, so far as the local climate allows. None of this removes the need for a permit, an engineered attachment detail, or utility coordination.
State and university work follows a different path. Under NRS § 278.580(2) a local fee schedule does not apply to the State of Nevada or the Nevada System of Higher Education, and the local government is not required to review plans or inspect their structures unless it has contracted to do so. The State Public Works Division carries that function on state-owned land under NAC 341.045, working to the 2024 International Building, Residential, Existing Building and Energy Conservation Codes, ASHRAE 90.1-2022, the 2023 National Electrical Code, the 2024 Uniform Plumbing and Mechanical Codes and the 2010 ADA Standards, with the governing edition fixed by the date plans are first submitted. NRS § 278.580(3) still requires the State and its subdivisions to comply with local zoning.
NRS § 278.575 authorises a jurisdiction to run a program allowing independent contractors to review plans and inspect buildings. Where it exists it is tied to the certification regime described above, so a third-party reviewer is held to the same credential standard as staff. Availability varies by jurisdiction and by project type — ask before you assume a private route is open.
Washoe County permit costs and fees
Washoe County fees are set by the county's adopted schedule and are generally valuation and square-foot driven, with separate plan review, trade, fire, grading and utility components. Reno and Sparks each maintain their own schedules, so a figure from a city job is not transferable to a county one.
| Fee component | How it works |
|---|---|
| Residential building permit | Valuation or square-foot based against the county schedule |
| Commercial building permit | Valuation based, with plan review, fire, accessibility and occupancy components |
| Plan review | Building, fire, engineering, drainage and health reviews may each be charged |
| Trade permits | Electrical, plumbing, mechanical, fire, pool and specialty permits are separate lines |
| Grading, well and septic | Land-disturbing work, private water and onsite sewage carry their own reviews and fees |
| Re-inspection and revisions | Charged for failed inspections, revised plans and expired permits |
NRS § 278.580(2) allows the governing body to fix a reasonable schedule of fees for issuing building permits. Because the schedule is local and is revised on the jurisdiction’s own cycle, a fee figure quoted from a neighbouring jurisdiction, an older packet or a national estimator is not a reliable number here. Ask the department for the schedule in force on your filing date.
Need a real number for a specific Washoe County project? Send us the scope, address and valuation and we will identify the filing path, the reviews it will trigger and the fee categories that will apply.
Trade permits and who may pull them
Trade permits are generally separate from the building permit and are issued to the licensed installer. Nevada licenses contractors at state level through the Nevada State Contractors Board under NRS Chapter 624 and NAC Chapter 624; there is no separate local contractor licence, though a local business licence and registration with the department are commonly required before a permit will issue.
Nevada licenses contractors with an individual dollar ceiling, and it is printed on the licence. Under NRS § 624.220(2) the Nevada State Contractors Board must set a monetary limit on every licence — the maximum contract the licensee may undertake on one or more contracts on a single construction site or subdivision site for a single client. The limit is derived from the contractor’s own financial position and appears on the licence itself, so it can be checked at the counter. Exceeding it is a licensing violation no matter how sound the drawings are.
Raising the ceiling is a formal step, not a conversation: a licensee applies in writing on a Board form for either a permanent raise in limit or a single project limit increase, supported by the financial statement required under NAC 624.593 (NRS § 624.220(3); NAC 624.669). Plan for it before bidding, not after award.
Classifications sit at NAC 624.140 to 624.210: A for general engineering, B for general building, AB for both, and the C specialty series — C-1 plumbing and heating, C-2 electrical, C-3 carpentry, maintenance and minor repairs, and a long list beyond. Under NRS § 624.3015 the bid or contract must sit inside both the monetary limit and the classification scope. Residential work carries its own disclosure duties: the Residential Recovery Fund disclosure under NRS § 624.520 and the Notice to Owner under NRS § 624.600. Unlicensed contracting is a criminal matter under NRS § 624.700 and carries no lien rights.
Permit required
- Electrical service upgrades, panel replacement, new circuits, solar PV and battery storage
- Water heater replacement, repiping, gas line work, backflow and sewer or water connections
- Furnace, air conditioning and heat pump change-outs, ductwork and commercial kitchen hoods
- Fire alarm, sprinkler and suppression systems, and hood suppression on commercial work
Typically exempt
- Replacing a fixture, switch, receptacle or light where no wiring or piping is altered
- Clearing a stoppage without replacing or rearranging concealed piping
- Routine filter, thermostat and minor component service
- Appliance repair that does not alter the gas, electrical or venting connection
Fire authority is a separate question in northern Nevada and is worth resolving early. Several jurisdictions in this region show no locally adopted International Fire Code in the state building officials' summary, which does not mean no fire regulation applies — it means the applicable fire code and the authority enforcing it need to be established for your specific parcel, whether that is a fire protection district, a city department or the Nevada State Fire Marshal under NAC 477.283.
How to apply for a Washoe County building permit
Four different answers, and the county office sits inside the City of Reno, which proves nothing.
Under NRS 278.822 local authority is subordinate to the regional agency; that track comes first.
Washoe County adopts by named print with appendices enumerated, and is moving toward the 2024 editions.
Snow load, wildland-urban interface, defensible space, access, well and septic, floodplain and seismic investigation.
Submit electronically with a complete set and respond to corrections promptly.
The office closes from 12:00 to 1:15 every day; scheduling and payment need to land either side of it.
Denials, corrections and appeals
Completeness, publication and the appeal route
Two provisions govern how an application is received. NRS § 278.02327 requires land-use applications to be complete before they are accepted, and sets out the review for completeness, the procedure for returning an incomplete application, the submission of a corrected one, and a preliminary application process. NRS § 278.02329 then requires the governing body to publish its list of land-use applications on its website and update it monthly — a transparency duty already in force here that several larger states are only now legislating for.
On the way out, the route runs through NRS § 278.310 (appeals to the board of adjustment), NRS § 278.315 (variances, special and conditional use permits), NRS § 278.319 (minor deviations granted without a hearing) and NRS § 278.3195, which requires the governing body to adopt an ordinance allowing an appeal to itself on land-use decisions, with onward appeal to the district court. The core offence is at NRS § 278.610: it is unlawful to erect, construct, reconstruct, alter or change the use of a structure without a building permit.
Inspections in Washoe County
Typical checkpoints include grading and erosion control, footing and foundation, underground trades, rough framing, rough electrical, plumbing and mechanical, insulation and energy, fire systems, final trade inspections, final building and occupancy. Rural parcels add well and onsite sewage verification, and wildland-urban interface parcels add defensible space and access checks.
Travel time is a genuine scheduling factor in a county of this size. An inspection at the far end of the county is not interchangeable with one in the Truckee Meadows, and site readiness matters more when the inspector's next available slot may be days out.
Do not cover work before the required inspection has been approved. Keep the issued permit, the approved plans, energy documentation, product listings, special-inspection reports and your correction responses available on site.
Washoe County permit search and official resources
Permit records and inspection history are held by the issuing authority, which is why establishing jurisdiction matters for research as well as for filing: a search of the wrong authority’s records returns nothing and proves nothing. If you are buying, refinancing or taking on an existing building, ask Washoe County Building and Safety Division what it holds for the parcel and whether any permit was left without a final inspection. An open or expired permit on a property is one of the most common and least expected obstacles at closing, and it surfaces long after the work was done.
Two statutory transparency provisions help here. NRS § 278.02329 requires the governing body to publish its list of land-use applications on its website and to update that list monthly, and NRS § 278.02327 governs how an application is checked for completeness before it is accepted at all. Between them they mean the front of the process is more visible than most applicants realise — and that an application returned as incomplete has a defined route back in rather than an informal one.
In Nevada, verify the code edition against the jurisdiction and the date — not against the region. Because adoption is local and permissive, neighbouring authorities routinely sit on different editions, and the same authority sits on different editions before and after its own effective date. Published summaries of adopted codes are compiled from voluntary returns and go stale; a jurisdiction’s own handouts sometimes lag its adopting ordinance by months. The ordinance governs. One call to the department, tied to your specific filing date, settles a question that otherwise costs a correction cycle.
These are the primary sources behind this guide. Codes, fee schedules and portal procedures change, and in Nevada a jurisdiction’s own published packet can lag an adoption by months — the adopted ordinance governs, not an un-updated handout. Confirm the position for your filing date.
- Washoe County Building and Safety Division
- Tahoe Regional Planning Agency
- Nevada Building Officials — current adopted codes by jurisdiction
- Nevada State Contractors Board — licence requirements
- Nevada contractor licence search
- NRS Chapter 278 — Planning and Zoning
- Nevada State Fire Marshal — building codes
- Governor's Certified Population Estimates (NV Dept of Taxation)
Frequently asked questions
Does Washoe County permit work in Reno or Sparks?
No. Reno and Sparks each operate their own building departments and adopt their own code editions. The county permits unincorporated territory only, despite its office being at a Reno address.
Which code edition does Washoe County enforce?
The county adopted the 2018 editions by named First Print with specific chapters and appendices enumerated, with the Northern Nevada Amendments, and has indicated a move to the 2024 editions. Confirm the position on your filing date.
Do I need TRPA approval at Lake Tahoe?
Projects on the Nevada shore fall within the Tahoe Regional Planning Compact region, where NRS 278.822 makes local authority subordinate to the regional agency. A county building permit is not a regional approval.
What are the Washoe County counter hours?
Monday to Friday, 7:30am to 12:00pm and 1:15pm to 4:00pm. The counter closes for 75 minutes in the middle of the day.
Why do Reno and Washoe County enforce different code editions?
Because Nevada code adoption is local and permissive under NRS 278.580. Each jurisdiction adopts on its own cycle, so neighbouring authorities are routinely on different editions.
Does the county handle wells and septic systems?
Onsite sewage and private water are reviewed alongside the building permit on rural parcels and typically involve district health review. Resolve them before design is finalised, not after.
Simplify Washoe County permitting with Alliance Permitting
Washoe County is the most jurisdictionally layered environment in northern Nevada: an unincorporated county administered from inside a city it does not permit, two adjacent city authorities on different code editions, a bi-state regional agency that outranks all of them at Tahoe, and separate fire authorities across much of the territory.
Trusted by leading builders, developers, and national contractors — 22 years of filing in the jurisdictions we write about.
Contractors and builders choose Alliance for Washoe County because the work is done by people who have stood at the counter:
- We establish county, Reno, Sparks or Tahoe before any drawing is issued.
- We sequence regional planning ahead of the building permit on Tahoe basin parcels.
- We confirm the adopted chapters and appendices, not just the code year.
- We resolve the fire authority for the specific parcel rather than assuming one.
- We work the county's split counter day into the filing and payment schedule.
Alliance Permitting is a permit documentation and submission company in Nevada. We prepare your paperwork, file it correctly and coordinate with the building department through issuance. We are not a contractor and we do not perform licensed plan review or inspections; that work stays with your licensed team and the jurisdiction.
Ready to break ground in Washoe County sooner?
Let Alliance prepare, file, and track your Washoe County permits while your crew stays on the job.
More Nevada permitting guides
This guide is provided by Alliance Permitting for general information about Washoe County permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.