Tukwila, Washington Building Permit Guide

The City of Tukwila’s Permit Center handles construction permits (building, electrical, mechanical, plumbing, signs and right-of-way) along with land use and special event permits. Every application is filed online in SmartGov, which the City switched to in October 2026. Tukwila is one of the cities on Labor and Industries’ list that issue their own electrical permits, so wiring is permitted and inspected by the City, not L&I.

The Permit Center is at 6300 Southcenter Boulevard, Suite 100, open Monday to Thursday from 8:30 a.m. to 4 p.m., and answers 206-431-3670. Tukwila had 22,003 residents in the Census estimate for 2025; land outside its limits is permitted by King County or the neighboring city.

What requires a building permit in Tukwila?

Tukwila Municipal Code (TMC) 16.04.020 adopts the 2021 building, residential, mechanical, existing building and pool codes, the Uniform Plumbing Code, the state energy code and the 2023 National Electrical Code, and amends the exempt-work lists of both the building and residential codes. The City’s exemptions handout puts it plainly: if an item is not on that narrow list, it needs a permit, and exempt work must still meet setbacks, height limits and zoning use standards.

What the city decides and what the state holds

The technical codes are the state’s, but Tukwila shortens two exemptions (sheds at 120 sq ft rather than the residential code’s 200, fences at 6 feet rather than 7), makes its Building Official the electrical authority under the National Electrical Code, sets fees by council resolution and sends appeals to the Hearing Examiner within 14 days. TMC 16.04.040 also bars a building permit until any required land use permit is approved. For emergency repairs, the handout allows the application to follow on the next business day.

Washington has a mandatory statewide building code under chapter 19.27 RCW that every city and county enforces and may make stricter; electrical permits come from the Department of Labor and Industries unless the city runs its own program or Tacoma Power serves the site. Building codes in Washington

Tukwila building department: who handles permitting

The Permit Center sits in the Department of Community Development and routes construction applications to the Building Division, the Fire Department and Public Works; the Planning Division handles zoning, design review, shoreline and critical areas. Electrical plan review and inspection are done by the City’s own electrical inspector.

Permit types

Residential permits

Each permit type has its own checklist that names the SmartGov permit type to pick and the documents to upload. The new-home checklist covers detached houses, duplexes and townhouses up to three stories under the residential code, with building, mechanical and plumbing work on one permit and electrical on a separate one issued over the counter; it asks for a site plan, architectural and structural plans and calculations, an energy code package, a geotechnical report, a sewer concurrency notice where needed and a certificate of fire flow from the water purveyor. There are also checklists for remodels and additions, re-roofs, window and siding work, ADUs, and pre-designed decks, covered porches, carports and garages.

Moving a house into or within the city takes a relocation permit and a building permit under TMC 16.04.050: the Building Division can inspect the structure before the move, a separate 90-day foundation permit must be approved first, and the owner posts a bond of the cost of the required work plus 10%. Demolition permits require the lot to be cleared of rubble, sewer connections capped and septic tanks, wells and basements filled or protected, followed by an inspection.

Owner-occupied remodels valued at $20,000 or less, counted over a rolling year, pay a flat $100 plus the technology fee for the permit and review, while submittals and inspections stay the same as for a full permit (TMC 16.04.250).

Building or remodeling a home here? Alliance handles residential permit filing, so the crew isn't waiting on the counter.

Commercial permits

Commercial checklists cover new buildings and additions, tenant work, commercial re-roofs, rack storage, above-ground storage tanks, communication towers and signs. A pre-application meeting with the Development Review Team is held on Tuesdays at 1:30 or 2:30 p.m.; the materials are due 11 days ahead, by 4 p.m. on the Friday, and the fee must be paid before the meeting is booked. Affordable housing projects can ask the DCD Director, before submittal, for reductions of 50% to 80% of building, mechanical, electrical and plumbing permit fees under TMC 16.04.260.

For tenant improvements and new commercial builds, Alliance handles commercial permit expediting through issuance. More on this: commercial building permits explained.

What comes before the building permit

The new-home checklist requires a pre-application conference within six months before submittal for work in or near a critical area, site disturbance of 7,000 sq ft or more, or home childcare for more than 12 children. Land use permits (critical areas, shoreline, design review, variances) must be approved before the building permit issues, and a tree permit near wetlands, streams or shorelines is a separate land use application. Grading on private land is a clearing and grading permit, and work in mapped flood zones starts with the Public Works floodplain development screening form.

Tukwila permit costs and fees

Building fees come from the City’s fee sheet marked “Effective January 1, 2025 Per Resolution 2105”, which the Permit Center posts as its 2025–2026 development permit fees. Value is the total contract amount, checked against the International Code Council’s building valuation data. Plan review is a separate fee paid at submittal, and a 5% technology fee is added to permit fees. The sheet does not list the state building code fee. No later building fee resolution is posted: the City still links this sheet as its 2025–2026 fees, while fire review fees come from the separate 2026 Puget Sound Regional Fire Authority schedule adopted as Resolution 2132.

Worked example. Using the Resolution 2105 sheet, a $60,000 remodel costs $1,144.25 for the first $50,000 plus $123.30 for the remaining ten thousands, a $1,267.55 permit fee; 65% plan review ($823.91) brings it to $2,091.46, before the 5% technology fee, any structural review and the separate trade permits.

New dwellings also pay impact fees at issuance: the City’s handout lists a fire impact fee of $2,402 and a parks impact fee of $3,835 per single-family home, both effective January 1, 2025. Transportation impact fees changed this year: Ordinance 2788, passed June 15, 2026, repealed and replaced the City’s concurrency and traffic impact fee chapters with effect from October 14, 2026, while the dollar rates themselves sit in the fee schedule rather than the ordinance.

Trade permits and who may pull them

All four trades are City permits in Tukwila. Plumbing starts at a $37.81 issuance fee plus $75.64 for the first fixture and $17.10 for each fixture or water heater after that; mechanical permits add a $37.81 issuance fee to a value-based fee that starts at $75.64. The electrical schedule is the City’s own: $213.12 for a new single-family home including its garage, $136.91 for a service change with no circuit changes, and value-based fees for multifamily and commercial work.

The exemptions handout repeats the trade codes’ short lists: no mechanical permit for portable heaters, coolers and fans or for replacing a minor part, and no plumbing permit for stopping a leak or clearing a stoppage, unless concealed pipe has to be replaced, which counts as new work.

How to apply for a Tukwila building permit

Review, corrections and what causes delay

The City posts an annual permit performance report and twice-monthly permit activity reports, and says review times may run longer during the SmartGov transition. Changes after approval are billed at $120 an hour, a demolition without a permit is charged double, and refunds of up to 80% of an unused permit fee must be requested in writing within 180 days of payment; once plan review has started, the plan review fee is not refunded.

Inspections in Tukwila

Request inspections in SmartGov or by email to the Permit Center. Building, fire and public works inspections requested by noon are available the next day; planning inspections need three business days’ notice. Inspectors take calls only between 6:30 and 7:30 a.m., before they head into the field, and work outside normal hours needs the off-hours inspection request form and carries a four-hour minimum at $120 an hour.

Because electrical inspections are City inspections too, the electrical rough-in and final are booked the same way as the framing and plumbing calls. Work covered before inspection or not ready on time can be charged a $120 re-inspection fee. A final on an expired permit costs $160 for two inspections.

Tukwila permit search and official resources

The Development Review map shows permits under review or recently issued, and the Permit Center publishes permit activity reports with fees, values and addresses for each half-month. Older permits and ordinances are in the Digital Records Center. Tukwila is a participating community in the National Flood Insurance Program; FEMA’s status book gives August 19, 2020 as its current flood map date.

• Tukwila Permit Center: how to apply, hours, inspections
• Construction permit checklists and fee documents
• SmartGov permitting portal
• Building permit fees, Resolution 2105 (PDF)
• Permit exemptions, 2021 code (PDF)
• Residential new construction checklist (PDF)
• Parks and fire impact fees (PDF)
• Tukwila Municipal Code, Title 16
• Ordinance 2795, data center moratorium (PDF)
• Digital Records Center
• L&I list of cities that issue their own electrical permits

Tukwila building permit FAQ

Who issues electrical permits in Tukwila?

The City. Tukwila is on L&I’s list of cities with their own electrical program, so apply in SmartGov and book the City’s electrical inspector.

How much is a permit for a $60,000 remodel?

$1,267.55 for the permit and $823.91 for plan review under the Resolution 2105 sheet, plus the 5% technology fee and trade permits.

Do I need a permit for a shed?

Yes if it is larger than 120 sq ft. Tukwila lowered the residential code’s 200 sq ft limit.

Do I need a permit for a fence?

Only for a fence over 6 feet; the City amended the codes’ usual 7-foot limit.

Is there a cheaper permit for a small remodel?

Yes. Owner-occupied remodels worth $20,000 or less in a year pay a flat $100 plus the technology fee.

How do I schedule an inspection?

Through SmartGov or by email, by noon the day before for building, fire and public works inspections.

When is the Permit Center open?

Monday to Thursday, 8:30 a.m. to 4 p.m., at 6300 Southcenter Boulevard, Suite 100.

Simplify Tukwila permitting with Alliance Permitting

Alliance Permitting is a permit documentation and submission company in Washington. We prepare your paperwork, file it correctly and coordinate with the permitting authority 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.

This guide is provided by Alliance Permitting for general information about Tukwila permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.