Onalaska, Wisconsin Building Permit Guide

The City of Onalaska’s Inspection Department, at City Hall, 415 Main Street (608-781-9541), issues building, electrical, plumbing and HVAC permits inside the city. It contracts with General Engineering Co. (GEC) for plan review and inspection of one- and two-family homes and, as a delegated municipality for commercial buildings of any size, sends commercial plan review to E-Plan Exam, which promises a 15-day turnaround. Residential building work costs $0.46 per square foot with a $95 minimum, and every permit is valid for one year after the fees are paid.

What requires a building permit in Onalaska?

The city’s residential fee sheet lists the work it permits by square foot: new dwellings, additions, alterations and accessory structures, counting finished and unfinished areas and including porches, decks, egress window installations and other interior and exterior changes. Flat-fee permits cover pools over 18 feet in diameter, razing or demolition over 200 square feet, roofs over 200 square feet and moving a building, and separate trade permits cover electrical and low-voltage, plumbing and HVAC work.

What the city decides and what the state holds

Onalaska’s zoning law is its Unified Development Code, a full rewrite led by the Plan Commission and adopted February 11, 2020; in the city’s fee schedule, Title 13 “UDC” means that code, not the state’s Uniform Dwelling Code. The Planning Department enforces it together with the building codes, and the city sets its own fees, park development fees and erosion control rules. Construction standards come from the state’s Uniform Dwelling Code for one- and two-family homes and the Commercial Building Code for everything else, and the city holds state delegation to review commercial plans for buildings of all sizes.

Onalaska building department: who handles permitting

The Planning and Inspection Departments share City Hall. Planning, under Planning Director Katie Aspenson, handles zoning, site plans and the comprehensive plan; the Inspection Department, led by Lead Building Inspector Brad Neumeister, issues building and trade permits. For one- and two-family homes the city contracts with General Engineering Co. for permit reviews and inspections, and for commercial plan review it partners with E-Plan Exam. Planning staff also bring proposed development projects before the city’s committees and the Plan Commission, which led the rewrite of the Unified Development Code.

The City of Onalaska is on the state’s Uniform Dwelling Code delegation list (current as of September 24, 2026) with its own building inspector. The Town of Onalaska next door is a separate municipality with its own delegation and inspection agency, so an address outside the city limits is not permitted at City Hall.

Onalaska permit types and application documents

The Inspection Department’s document center groups its forms by trade: a building permit application (new structures, additions and alterations, accessory structures and accessory dwelling units), a cautionary statement for owners obtaining building permits, a demolition application, an electrical and low-voltage application, a plumbing application with an affidavit of plumbing testing, an HVAC application, erosion control and stormwater, excavation and fill, and stormwater maintenance agreement forms, residential deck and remodel checklists and a vapor paint form. Engineering forms cover driveways and sidewalks, street openings and dumpsters in the street.

Residential permits

For a new single- or two-family home or manufactured home, the city enters the state permit in DSPS’s online ESLA building permit system on the builder’s behalf; that state filing is not needed for any other project. The builder gives the Inspection Department the plans and the city applications. The building application requires estimated costs for every trade (building, electrical, plumbing and HVAC), labor and materials included, or it will not be processed; it asks for the house and work-area square footage and the contractors, and carries a line for the La Crosse sanitary sewer fee on new builds and connections, paid separately.

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

Commercial permits

Commercial plans for building, HVAC, plumbing, fire alarm and fire sprinkler work under the state commercial, plumbing and fire codes go to E-Plan Exam, which contacts the applicant about its review fees and guarantees a 15-day turnaround from a complete submission with fees paid. A project can still be reviewed by DSPS, but only with written permission from the Inspection Department first. The city’s building application flags state plan review for projects of 25,000 cubic feet or more and asks for the supervising professional. A commercial job can begin footings, foundation and excavation early under a $350 permission to start.

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

• Site plan permit. From $75 for small accessory work to $500 for new construction, under the Unified Development Code.
• Zoning relief. Variances ($300), rezonings ($300), planned unit developments and comprehensive plan amendments ($600).
• Erosion control and stormwater. Both permits for any new development that disturbs land, plus a DNR notice of intent above one acre.
• Utilities. Sewer and water connection permits and the La Crosse sewer connection charge.
• Driveways and streets. Driveway, sidewalk and street opening permits from the city.

Onalaska permit costs and fees

The Inspection Department’s residential and commercial fee sheets carry the same rates as the city’s 2026 Fee Schedule (dated March 11, 2026); the schedule’s residential row names additions, alterations and accessory structures, and the department’s sheet applies the same $0.46 rate to new dwellings. The schedule also says that permit fees double if work starts before the permit. Permit fees are non-refundable.

Two worked examples from the residential rate: a 12 by 16 foot deck (192 square feet) comes to $88.32 at $0.46, below the minimum, so the permit is $95; a 24 by 24 foot detached garage (576 square feet) is $264.96. Trade permits are added on top. Commercial and multi-family certificates of occupancy and changes of use are $95 each, and commercial erosion control and stormwater permits are $150 each under one acre and $250 above.

Planning fees under the Unified Development Code come from the same schedule. A site plan permit is $75 for accessory work disturbing up to 1,200 square feet or principal-structure work up to 250 square feet, $150 for parking lot work on its own, $300 for larger additions and $500 for new construction. Creating a planned unit development is $1,000, with minor and major amendments at $300 and $700. A zoning verification letter costs $25 for a home and $100 for a commercial property, a major home occupation permit is $50 a year, an airport overlay land use permit is $100 and a historic preservation certificate of appropriateness is free. A new well permit is $5,000. On the fire side, a commercial or multi-family sprinkler system is $95 plus $0.15 per square foot, fire alarm and hood suppression tests are $190 each, and an occupancy inspection by the fire department is $95. Business signs are priced by size: $50 plus $0.60 per square foot for a new non-illuminated sign and $95 plus $0.60 per square foot for an illuminated or freestanding one, while a temporary residential sign is $20. Antenna collocations are $600 (Class 1) or $265 (Class 2) on the building side.

Trade permits and who may pull them

Each trade has its own city permit, fee sheet and application. Under the 2026 schedule, residential plumbing, HVAC and electrical work on new construction, remodels and additions is $0.11 per square foot plus a $95 base inspection fee for each trade; commercial and multi-family work is $0.15 per square foot plus the base. A residential electrical service upgrade is $55.

• Electrical. The application is signed by the licensed electrical contractor with master electrician and contractor numbers, and its square footage must match the building permit. The city posts DSPS electrical licensing requirements and the utilities’ forms: a Riverland Energy wiring affidavit and an Xcel Energy electric inspection certificate.
• Gas. HVAC work on natural gas uses Xcel Energy’s gas inspection certificate.
• Plumbing. An affidavit of plumbing testing goes with the plumbing permit; sewer and water connections and relays are $30 each.
• Builders. A builder of a new home needs the state Dwelling Contractor certification (the city’s page calls it a license) and a Dwelling Contractor Qualifier certification; a manufactured home installer’s license takes the place of the qualifier, and an owner-occupant building their own home is exempt.
• Owners. An owner taking out a building permit signs the city’s cautionary statement.

How to apply for an Onalaska building permit

Review, corrections and what causes delay

The city stops processing any application with missing information until it is corrected, and the building and electrical forms are not processed if the estimated cost lines are blank. Both forms let the applicant choose electronic notification by email. Commercial review time runs from a full and complete submission with fees paid, and the city asks for its written permission before any commercial plans are sent to DSPS instead. A permit that runs past its one-year life needs a Common Council extension.

Inspections in Onalaska

Once a new home is permitted by the city, inspections are scheduled with General Engineering Co., the city’s contracted inspector for one- and two-family dwellings. For commercial work the Inspection Department is the contact, reachable at 608-781-9541 or through the city’s contact form. A re-inspection costs $95, and a new home ends with a $95 certificate of occupancy, or a $250 temporary occupancy permit per unit.

The Inspection and Engineering Departments jointly run the erosion control program, including fill and excavation projects, and the city posts its erosion and sediment control technical and performance standards. Its permit forms include a stormwater maintenance agreement.

Wisconsin building code

FEMA’s Community Status Book lists the City of Onalaska (community 550221) as participating in the National Flood Insurance Program, with a current effective flood map dated January 6, 2012.

Wisconsin's Uniform Dwelling Code covers one- and two-family homes. Its Commercial Building Code covers public buildings, workplaces and buildings of three or more units. Local ordinances must conform to both. Wisconsin rules

Onalaska permit search and official resources

For copies of permits and other city records, Onalaska takes public records requests through its online JustFOIA portal. The Inspection Department answers questions about a specific address at 608-781-9541, and the city’s code of ordinances and fee schedules are linked from the Code of Ordinances & Fees page; the code itself, including the Unified Development Code, is hosted on eCode360.

• Onalaska Inspection Department
• Inspection Department permit applications
• Residential building permit fees
• Commercial building permit fees
• City of Onalaska 2026 Fee Schedule
• Code of Ordinances & Fees
• Building permit application
• Electrical and low-voltage permit application
• Erosion control program
• Planning & Zoning: Unified Development Code
• Planning and Inspection contact form
• Public records requests (JustFOIA)
• DSPS list of UDC delegated agents
• FEMA Community Status Book, Wisconsin

Onalaska building permit FAQ

Who issues building permits in Onalaska?

The City of Onalaska Inspection Department at City Hall, with General Engineering Co. reviewing and inspecting new one- and two-family homes.

How much is a residential building permit?

$0.46 per square foot of finished and unfinished area, with a $95 minimum, plus trade permits; a 576-square-foot garage, for example, is $264.96 before the trades.

Who reviews commercial plans?

E-Plan Exam, for the city, with a guaranteed 15-day turnaround from a complete, paid submission; DSPS only with the city’s written permission.

Do I need a permit for a new roof?

Yes, for a residential roof over 200 square feet ($95) or a commercial roof over 1,000 square feet ($190).

Do I need a permit for a pool?

Yes, for a pool more than 18 feet in diameter: $190.

How long is a permit valid?

One year from payment of the fees; extensions need Common Council approval.

What if I start before getting a permit?

The 2026 fee schedule doubles the permit fee.

I live in the Town of Onalaska. Is City Hall my office?

No. The Town of Onalaska is a separate municipality with its own UDC delegation and inspection agency.

Simplify Onalaska permitting with Alliance Permitting

Alliance Permitting is a permit documentation and submission company in Wisconsin. 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 Onalaska permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.