All Cities / Idaho / Boise
How Much Does a Building Permit Cost in Boise?
✓ Fee schedule checked against city sources
Fee math from Planning and Development Services (PDS), City of Boise, not a national average
Data last verified: July 24, 2026
Building permits are valuation-based (Table 1-A: $70.76 + $12.71 per $1,000 in the $2,001-25,000 bracket). Mechanical, plumbing, and electrical are flat trade permits (single fixture/appliance $55). Reroof, window, and siding require a building permit per the city Homeowner's Guide. A 20% residential plan-review fee may attach to plan-reviewed building permits.
Permit Cost by Project
Kitchen Remodel$529.09
Building Permit ($25K project)$363.09
Bathroom Remodel$346.99
Solar Panel Installation$275.00
Roof Replacement$197.86
Building Permit ($12K project)$197.86
Siding Replacement$172.44
Deck / Patio$147.02
Window Replacement$147.02
Building Permit ($8K project)$147.02
HVAC Replacement$55.00
Water Heater$55.00
Electrical Panel$55.00
EV Charger Installation$55.00
Electrical Permit$55.00
Plumbing Permit$55.00
HVAC / Mechanical Permit$55.00
Do You Need a Permit?
No: Paint, cosmetic updates, fixture swaps
Yes: Bathroom remodel ($346.99)
Yes: Kitchen remodel ($529.09)
Yes: Roof replacement ($197.86)
Yes: HVAC replacement ($55.00)
Yes: Water heater ($55.00)
Yes: Deck / patio ($147.02)
Yes: Window replacement ($147.02)
Yes: Electrical panel ($55.00)
Yes: Solar panels ($275.00)
Verified Permit Cost by Project Type
Kitchen Remodel
$529.09
Building, Electrical, Plumbing
Building Permit ($25K project)
$363.09
Building
Bathroom Remodel
$346.99
Building, Electrical, Plumbing, Mechanical
Solar Panel Installation
$275.00
Building, Electrical
Roof Replacement
$197.86
Building
Building Permit ($12K project)
$197.86
Building
Siding Replacement
$172.44
Building
Deck / Patio
$147.02
Building
Compare these permit costs across U.S. cities
Two Types of Permits
Boise issues building permits for structural work and separate trade permits for plumbing, electrical, HVAC, and roofing. Most remodels need both kinds. See the full breakdown of which projects need a permit and which are exempt.
Boise Permit Cost Calculator
Choose a common project or enter a project value to estimate local permit fees from Planning and Development Services (PDS), City of Boise data.
✓ Updated from local fee schedule
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Published local schedule
Permit scope
Building permit
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Published fee lookup
Estimate summary
Boise calculator ready. Select a project to update the local permit estimate.
Estimated permit fee
$197.86
Updates instantly when project type or valuation changes.
✓ Verified local fee schedule
✓ Building permit by Table 1-A valuation at ~$12k. Boise has no flat reroof fee; a reroof requires a building permit.
Local sourceBuilt from Planning and Development Services (PDS), City of Boise fee data, not a national average.
Formula-backedValuation-based projects recalculate from the local fee formula.
Bookmark friendlyThe tool lives on this city page so citations and saved links stay stable.
A building permit in Boise runs $198 on a typical $12,000 project. That figure comes straight from Table 1-A in the city's fee schedule. You won't find one flat fee here. Instead Boise uses valuation-based building permits plus separate flat trade permits for electrical, plumbing and mechanical work.
How Boise Calculates Building Permit Fees
Boise doesn't use one flat fee for everything. The building permit follows Table 1-A. You pay $70.76 plus $12.71 per $1,000 of valuation once you cross $2,000. I pulled this from the 2023 fee schedule that's still current. An $8,000 project costs $147. Bump it to $12,000 and you pay $198. At $25,000 the total hits $363. (I ran the bracket math three times before I trusted it.)
Mechanical, plumbing and electrical permits stay flat. Most single-fixture or single-appliance jobs run exactly $55. A bathroom remodel around $15,000 usually totals $347 in permits. That breaks down to the building permit plus the two trade permits. A kitchen at $25,000 lands at $529.
Reroof jobs require a building permit even though they aren't new construction. No special flat reroof fee exists. The city treats it like any other project and charges by valuation. Plan review adds 20 percent on many jobs but not all. Check the calculator on this page. It runs the exact math so you don't have to.
Chuck's Take
"I bid jobs in Missouri but the math looks the same everywhere. When Boise hits you with that building permit plus three separate trade tickets the homeowner sees the total and thinks I'm padding. Nope. That's just the city getting paid first. I build those numbers into my bid so nobody gets surprised."
Leonard "Chuck" Thompson, LC Thompson Construction Co.
What Needs a Permit in Boise?
You need a permit in Boise for most work that touches structure or systems. Roof replacement always requires one. Same for siding, window replacement and decks more than 12 inches above grade. Do I need a permit in Boise to replace a water heater? Yes. Same for HVAC changeouts and bathroom remodels that move plumbing or electrical.
Some jobs stay exempt. You can paint, swap floor covering or install cabinets without pulling anything. Sheds 200 square feet or smaller don't need permits unless they sit in a flood plain. Fences seven feet or under are clear. Decks and patios 12 inches or less above grade also skip the process.
The city's Homeowner's Guide spells this out clearly. I recommend you open it before you start tearing anything apart. Skipping a required permit rarely ends well. The building department can issue a stop-work order. They can also require you to tear out finished work. Don't assume your neighbor won't call it in.
What Happens If You Skip the Permit in Boise
Boise doesn't publish exact doubled or tripled penalty numbers in the fee schedule I reviewed. But the pattern in Idaho cities is clear. They usually charge you to pull the permit late plus an investigation fee. That can easily double your cost. Stop-work orders come fast if they spot activity without approval. You won't like the conversation that follows.
Unpermitted work also creates headaches when you sell the house. Buyers and lenders hate it. The city can require you to bring everything up to code years later. I never found a published fine schedule that lists exact daily rates. Still the risk isn't worth it on any project over a couple thousand dollars. Pull the permit.
How Long Is a Building Permit Good For in Boise?
A building permit in Boise stays valid for 180 days after issuance. You must start work inside that window or request an extension. The city grants extensions but they aren't automatic. Plan review usually finishes in two to four weeks on straightforward home projects.
Don't wait until the last minute to pull it. Contractors who say they'll handle the permit sometimes don't. That delay can push your whole schedule back a month. Start the paperwork early. Finish the job before the permit expires. Otherwise you risk having to renew and pay again.
Who Should Pull the Permit in Boise?
Your contractor should pull the permit in Boise. Not you. The rules expect the person doing the work to take legal responsibility for it. When a licensed contractor pulls it they sign that they'll meet code. That matters if something goes wrong.
Homeowners can pull their own permits for work on their primary residence. You'll sign an owner-builder affidavit. But electrical, plumbing and mechanical work often still needs licensed trades. Read your contract carefully. Make sure it says who pulls the permits and when. A contractor who asks you to pull it is waving a red flag. Walk away.
Chuck's Take
"If a contractor in Boise asks you to pull the permit yourself you should find someone else. I never do that. My license is on the line. Your permit should be in my name so when the inspector has a question they call me, not you. That's how it's supposed to work."
Leonard "Chuck" Thompson, LC Thompson Construction Co.
Why Boise's Separate Trade Permits Matter
Boise uses separate trade permits instead of one bundled fee. That changes how you budget. The building permit follows valuation. Then you add $55 for electrical, another $55 for plumbing and the same for mechanical. A simple HVAC changeout is just $55. Same for a water heater replacement or EV charger on a single circuit.
This structure rewards smaller targeted jobs. A roof replacement at $12,000 valuation costs $198 total because no separate trade permits apply. But a full kitchen remodel at $25,000 jumps to $529 once you add the plumbing and electrical pieces. I spent hours mapping every line item from the separate tables. The calculator on this page does that math instantly.
No state surcharge appears on any Boise schedule. That keeps the numbers cleaner than cities that tack on extra levies. Still the valuation formula plus flat trade fees means you can't guess. Run your numbers before you start.
Quick Reference · Boise Permit Requirements
| Homeowner Task | Permit? | Est. Cost |
|---|---|---|
| Paint interior / exterior | NO | Cosmetic |
| Replace flooring | NO | Cosmetic |
| Replace kitchen cabinets (same layout) | NO | Cosmetic |
| Swap a light fixture (same location) | NO | Cosmetic |
| Replace a water heater | YES | $55.00 Plumbing |
| Add / move electrical outlets | YES | $55.00 Electrical |
| Remodel a bathroom | YES | $346.99 Building, Electrical, Plumbing, Mechanical |
| Remodel a kitchen | YES | $529.09 Building, Electrical, Plumbing |
| Replace / repair roof | YES | $197.86 Building |
| Build a deck or patio | YES | $147.02 Building |
| Build a fence (≤6 ft) | NO | Typically exempt |
| Install solar panels | YES | $275.00 Building, Electrical |
| Replace HVAC system | YES | $55.00 Mechanical |
| Replace windows (new opening) | YES | $147.02 Building |
∗ Costs are verified for Boise, ID from published fee schedule. Always confirm with your local building department.
Internal Comparison · separate trade permits
Compare Boise Permit Fees With Related Cities
Use these source-linked city pages to compare Boise against other Idaho markets and cities with similar permit fee structures.
Houston, TXAlso uses separate trade permitsBathroom remodel permit package: $336.00 · -$10.99 vs Boise
Jacksonville, FLAlso uses separate trade permitsBathroom remodel permit package: $359.63 · +$12.64 vs Boise
New York, NYAlso uses separate trade permitsBathroom remodel permit package: $328.95 · -$18.04 vs Boise
Dallas, TXCross-market benchmarkBathroom remodel permit package: $192.56 · -$154.43 vs Boise
Richmond, VACross-market benchmarkBathroom remodel permit package: $144.75 · -$202.24 vs Boise
Kansas City, MOCross-market benchmarkBathroom remodel permit package: $114.29 · -$232.70 vs Boise
Chicago, ILCross-market benchmarkBathroom remodel permit package: $602.00 · +$255.01 vs Boise
Phoenix, AZCross-market benchmarkBathroom remodel permit package: $706.00 · +$359.01 vs Boise
Permit Guides
Permit Cost and Process Guides
Pricing a specific project in Boise? These guides cover what each permit runs and how the approval process actually works.
Building permit cost, every verified city ranked
How much does a building permit cost?
How long does a permit take to get?
When is a permit not required?
Deck permit cost
Roof replacement permit cost
HVAC permit cost
Kitchen remodel permit cost
Solar panel permit cost
EV charger permit cost
Do I need a permit to replace a water heater?
Do I need a permit for an electrical panel upgrade?
How to speed up a building permit
Getting an electrical permit online
What happens if you build without a permit
Before You Build
Permits are only part of the bill. See real remodeling cost data from TheFatBook, the remodeling cost index built on this same dataset.
Frequently Asked · Boise
How much does a building permit cost in Boise?
A building permit in Boise costs $198 on a $12,000 project and $363 on a $25,000 project. These numbers come from Table 1-A in the city's fee schedule. Use the calculator on this page for your exact scope.
Do I need a permit to replace a water heater in Boise?
Yes you need a permit to replace a water heater in Boise. It falls under a plumbing trade permit. The cost is $55 for a single fixture swap.
Do I need a permit to build a deck in Boise?
Yes you need a permit in Boise to build a deck more than 12 inches above grade. It requires a building permit based on valuation. Expect to pay about $147 on a typical $7,100 deck.
Do I need a permit in Boise to replace a roof?
Yes you need a permit in Boise to replace a roof. It requires a building permit even though it isn't new construction. A typical reroof valued at $12,000 costs $198.
How much is a plumbing permit in Boise?
A plumbing permit in Boise costs $55 for most single-fixture jobs. A bathroom remodel around $15,000 usually adds $56 in plumbing fees. That covers the base plus two fixtures.
Does Boise charge extra for owner-builder permits?
Boise allows owner-builders to pull permits on their primary home. You sign an affidavit and take full responsibility for code compliance. The fees stay the same as contractor-pulled permits. No extra charge appears in the schedule.
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