Planning & Development Services — Building Division
- Phone
- (208) 608-7070
- Hours
- Monday – Friday, 8:00 a.m. – 4:30 p.m. MT
Idaho
Boise's Planning & Development Services prices permits under four adopted fee schedules:
a building ladder from $26.37 for the first $500 of valuation rising to $913.09 + $5.17 per $1,000 above $100,000, with plan review at 65% commercial and 20% for one- and two-family residential; an electrical schedule that charges new homes per dwelling unit by square footage; and plumbing/mechanical schedules combining per-unit ladders, $12 fixture fees and a 2.28%-of-value commercial ladder.
Each page shows the fee components, the formula the jurisdiction uses, and a worked example you can follow by hand.
Estimate your potential Boise permit fee with our Building Permit Fee Calculator.
| Permit | Category | Last reviewed |
|---|---|---|
| Boise Building Permit Cost | structural | 2026-09-26 |
| Boise Electrical Permit Cost | electrical | 2026-09-26 |
| Boise Plumbing Permit Cost | plumbing | 2026-09-26 |
Local context
Boise's four fee schedules are read as separate adopted documents (building Oct. 2023; electrical July 2019; plumbing and mechanical Oct. 2021). The city posts FY27 'proposed' redline editions whose uplifts — a $57 branch-circuit fee, a $32.33 plumbing base — are not yet adopted; this estimate prices the current adopted schedules.
Affordable housing developments owned or financed by the City of Boise are exempt from building permit, plan review and grading fees, and privately developed affordable housing may apply for deferral or exemption. Reinspection is $55 across all four schedules, and a special investigation fee equal to 100% of the permit fee applies to work started without one.
Valuation
Building permit fees read Table 1-A on total structure valuation. Electrical commercial fees read the total wiring cost (all labor and material; owner-supplied equipment included, used material at 50% of new retail or actual cost, whichever is greater). Plumbing and mechanical commercial fees read the project value — the selling price of the completed installation.
The office that issues the permit, with the details we have verified. Confirm current hours before travelling.
The list is not a disclaimer: on a new house the fees left out can outweigh the permit fee several times over. Every entry here is stated on the permit page as well.
Not included in our estimates
These municipal figures cover the permit and plan-review fees. They exclude:
The documents these figures are transcribed from. Where a source contradicts itself we keep both readings and say so on the permit page.
Boise City Building Code Fee Schedule (effective October 1, 2023)
Table 1-A building permit fee schedule on total valuation (five bands, $26.37 first $500 + $2.95/$100 through $913.09 first $100,000 + $5.17/$1,000), commercial plan review 65% (item 8), residential 1-2 family plan review 20% (item 9), reinspection $55, solar PV $165 flat. Text-layer PDF read with pdftotext. The FY27 proposed redline (10-1-26) shows Table 1-A unchanged.
Boise City Electrical Code Fee Schedule (current edition, 7-17-2019)
Tables 1-a (new residential per dwelling unit by square footage: $135/$155/$175/$210 + $65 per 1,000 over 4,501), 2-b (single branch circuit $55), 3-a (other residential flat rows $110/$165), 5-a (service equipment $55/$65/$40 temporary), 6-b (commercial $14 base + $22.83 + 2.28% over $100 / $84.32 + 1.14% over $2,000 / $197.18 + 0.57% over $10,000).
Boise City Mechanical Code and Fuel Gas Code Fee Schedule (current edition, 10-1-2021)
Table B(1) (new SFD/duplex per dwelling unit, same ladder as plumbing), B(2) ($32 base + $12 per appliance/test/duct), B(3) (single fixture $55), C(1) (commercial value ladder $32 base + 2.28% / $11,400 + 1.71% / $19,950 + 1.14%).
Boise City Plumbing Code Fee Schedule (current edition, 10-1-2021)
Tables B(1) (new SFD/duplex per dwelling unit $130-$325 + $65 per 1,000 over 4,501), B(1.a) (add-ons: 13D sprinkler $12, lawn sprinkler $44, sewer/water service $55), B(2) ($32 base + $12 per fixture), B(3) (misc $55-$110), C(1) (commercial $32 base + 2.28% / $11,410.88 + 1.71% / $19,969.04 + 1.14%).