You are viewing the permanent link for the record currently in effect, published 2026-07-04.
Ammon building permits
VerifiedAmmon, Idaho — as published 2026-07-04.
Verified 2026-07-04 · Source
Codes adopted
City of Ammon Building Department adopts codes independently by ordinance under Ammon Municipal Code Title 07 (Building Regulations); the City self-administers building, electrical, plumbing, and mechanical permitting rather than relying on the Idaho Division of Building Safety for direct administration. Source: City of Ammon Building Department page, https://www.cityofammon.us/departments/building/2018 International Building Code (IBC), published by the International Code Council. Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IBC2018P62018 International Residential Code (IRC) for One- and Two-Family Dwellings. Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IRC2018P62018 International Existing Building Code (IEBC). Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IEBC2018P52018 International Fire Code (IFC). Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IFC2018P62018 International Fuel Gas Code (IFGC). Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IFGC2018/index2018 International Mechanical Code (IMC). Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/IMC2018P42018 International Energy Conservation Code (IECC). Source: City of Ammon Building Department page, code link to https://codes.iccsafe.org/content/iecc20182017 Idaho State Plumbing Code (based on the Uniform Plumbing Code, adopted statewide pursuant to Idaho Code Title 54, Chapter 26). Source: City of Ammon Building Department pageNational Electrical Code (NEC) — City of Ammon Building Department page identifies the currently adopted edition as the 2023 NEC (NFPA 70), consistent with the edition adopted statewide by Idaho pursuant to Idaho Code Section 54-1001. Electrical permits within Ammon city limits are issued and inspected by the City's own Building Department. Source: City of Ammon Building Department page, code link to https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70Ammon Municipal Code Title 10, Chapter 7 (Planning and Zoning — Accessory Dwelling Units, Section 4) governs ADU standards enforced in conjunction with Building Department permitting. Source: City of Ammon ADU Regulations page, https://www.cityofammon.us/services/building-permits/adu-regulations/Ammon Municipal Code Section 15.04.030 establishes stop-work-order and violation-fee authority for work commenced without a required building permit. Source: City Fee Resolution 2026-008 (Resolution Number 2026-008, adopted April 16, 2026, effective April 16, 2026), Section 1-B
Permit types & fees
Residential Building Permit (New Construction)
VerifiedRequired for new construction of single-family dwellings and other residential structures in Ammon. Reviewed against the 2018 IRC and 2018 IECC as adopted by the City. Applications are submitted through the City's BluePrince online permitting portal.
Verified 2026-07-04 · Source
Requirements
- Building permit required for new residential construction per the adopted 2018 IRC
- Plans must comply with the 2018 IRC and 2018 IECC as adopted by the City of Ammon
- Application, plan check, fire plan check, and planning/zoning plan check fees must be paid in full (100%) upon application submission
- All required plans, engineering documents, and materials for the entire scope of work must be submitted and approved before permit issuance — partial (e.g., foundation-only) permits are not issued
- Planning Department approval must be obtained prior to obtaining a building permit; Planning Department plan-check fee is assessed and collected by the Building Department at time of application
- Fire Department approval must be obtained prior to obtaining a building permit; Fire Department plan-check fee is assessed per the Fire Department's separate fee schedule but collected by the Building Department at time of application
- Submitted and tracked through the BluePrince online permitting portal
Required documents
- RequiredBluePrince Residential/Commercial Building Permit ApplicationSubmitted online via the BluePrince portal; a free account is required to submit applications, upload documents, pay fees, and check status
- RequiredComplete Construction DocumentsFull plan set (architectural, structural, energy compliance) required at time of submission; deferred submittals incur an additional 25% plan-review fee per submittal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — valuation $1 to $500 | $40.00 base fee | City Fee Resolution 2026-008 (effective April 16, 2026), Section 1-A |
| Building Permit Fee — valuation $2,001 to $25,000 | $60.00 base fee for the first $2,001, plus $9.00 per additional $1,000 | City Fee Resolution 2026-008, Section 1-A |
| Building Permit Fee — valuation $25,001 to $50,000 | $100.00 base fee for the first $25,001, plus $7.50 per additional $1,000 | City Fee Resolution 2026-008, Section 1-A |
| Building Permit Fee — valuation $50,001 to $100,000 | $300.00 base fee for the first $50,001, plus $5.50 per additional $1,000 | City Fee Resolution 2026-008, Section 1-A |
| Building Permit Fee — valuation $100,001 and above | $480.00 base fee for the first $100,001, plus $3.50 per additional $1,000 (Section 1-A table lists $750.00 as the base fee at the $100,001 row; both figures appear in the published table — see source for exact row alignment) | City Fee Resolution 2026-008, Section 1-A — the Value-From/Value-To/Base Fee table has 6 rows ($1-$500: $40; $501-$2,000: $60; $2,001-$25,000: $100; $25,001-$50,000: $300; $50,001-$100,000: $480; $100,001+: $750), each with a per-$1,000 incremental rate ($3.00, $9.00, $7.50, $5.50, $3.50 respectively for the tiers above the first) |
| Residential Valuation — Residence Each Floor | $120.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Finished Basement | $25.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Unfinished Basement | $10.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Crawl Space | $5.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Deck | $5.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Covered Patio | $10.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Carport | $10.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Shed (no foundation/slab) | $15.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Garage/Shed (with foundation) | $21.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Building Code Plan Review Fee — Residential Projects | 10% of the Building Permit Fee | City Fee Resolution 2026-008, Section 1-A and 1-B |
| Planning and Zoning Code Review Fee | 10% of the Building Permit Fee | City Fee Resolution 2026-008, Section 1-A |
| Hourly Rate (additional/unlisted work) | $60.00 per hour, one-hour minimum | City Fee Resolution 2026-008, Section 1-A |
Accessory Structure Permit (Sheds, Detached Garages, ADUs)
VerifiedRequired for detached accessory structures over 200 square feet, garages, and Accessory Dwelling Units (ADUs) in Ammon. Reviewed against the 2018 IRC, City of Ammon Accessory Building Checklist standards, and (for ADUs) Ammon Municipal Code Title 10, Chapter 7, Section 4.
Verified 2026-07-04 · Source
Requirements
- One-story detached accessory structures over 200 square feet require a building permit
- Structures 12+ feet behind the main house: minimum 3-foot property-line setback (may vary with height/roofing)
- Structures less than 12 feet behind the main house: must meet zone-specific side-yard setbacks (RE: 20 ft; RP/RP-A: 10 ft; R1/R1-A: 8 ft) and minimum 3-foot setback from any other structure unless firewalls are installed
- Covered structures (combined) may cover up to 30% of the backyard
- Walls 10 feet or taller require professional engineering; irregular or post-and-beam structures require a licensed engineer/architect stamp
- Structures must be designed for 115 mph wind load and 50 psf ground snow load
- All utilities must connect through the main house
- For ADUs specifically: maximum size is 75% of the main house's above-grade living space OR 1,000 square feet, whichever is more restrictive; same ownership as main house (cannot be subdivided); only one ADU per lot; no separate address; ADU must use the same driveway as the main house; permitted under Ammon Municipal Code Title 10, Chapter 7, Section 4
Required documents
- RequiredBluePrince Accessory Structure / Minor Permit ApplicationSubmitted via the BluePrince portal
- RequiredFooting and Foundation PlansRequired as part of accessory structure submittal per the City's Accessory Building Checklist
- OptionalElectrical, Mechanical, and Plumbing PlansRequired if the accessory structure includes any utility connections
- OptionalEngineering StampRequired for walls 10+ feet tall or for irregular/post-and-beam structures
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Valuation — Shed (no foundation/slab) | $15.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Residential Valuation — Garage/Shed (with foundation) | $21.00 per square foot | City Fee Resolution 2026-008, Section 1-A |
| Building Permit Fee | Per the same valuation-based Building Permit Fee table as new residential construction, applied to the accessory structure's calculated valuation | City Fee Resolution 2026-008, Section 1-A |
| Building Code Plan Review Fee — Residential Projects | 10% of the Building Permit Fee | City Fee Resolution 2026-008, Section 1-B |
Electrical Permit
VerifiedRequired for electrical installation, alteration, or repair work in Ammon, governed by the National Electrical Code as adopted by the City (2023 NEC per the City's code-adoption links). Electrical permits within city limits are issued and inspected directly by the City of Ammon Building Department.
Verified 2026-07-04 · Source
Requirements
- Electrical permit required for new residential wiring, existing residential alterations, basement finishes, multi-family, commercial/industrial, and other wiring installations
- Governed by the National Electrical Code (2023 NEC / NFPA 70) as identified on the City of Ammon Building Department page
- New Residential Single Family Dwelling permits are fee-tiered by square footage and include a bundled number of inspections (3 to 6 depending on size)
- Fee schedule distinguishes new residential (single-family and multi-family), existing residential (including basement finish), modular/manufactured/mobile homes, pumps, irrigation machines, signs/outline lighting, and "Other Installations" (industrial/commercial not otherwise scheduled)
- Apply through the BluePrince portal
Required documents
- RequiredBluePrince Electrical Permit ApplicationSubmitted online through the BluePrince portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| New Residential Single Family Dwelling — 0-1,500 sq ft | $160.00 (includes 3 inspections) | City Fee Resolution 2026-008, Section 1-C.b |
| New Residential Single Family Dwelling — 1,501-2,500 sq ft | $190.00 (includes 3 inspections) | City Fee Resolution 2026-008, Section 1-C.b |
| New Residential Single Family Dwelling — 2,501-3,500 sq ft | $250.00 (includes 4 inspections) | City Fee Resolution 2026-008, Section 1-C.b |
| New Residential Single Family Dwelling — 3,501-4,500 sq ft | $310.00 (includes 5 inspections) | City Fee Resolution 2026-008, Section 1-C.b |
| New Residential Single Family Dwelling — 4,501 sq ft and up | $310.00 plus $60 for each additional 1,000 sq ft or portion thereof (includes 6 inspections) | City Fee Resolution 2026-008, Section 1-C.b |
| Temporary Construction Service Only (200 amps or less, one location) | $60.00 | City Fee Resolution 2026-008, Section 1-C.a |
| New Residential — Multiple Family Dwelling (duplex) | $210.00 | City Fee Resolution 2026-008, Section 1-C.c.1 |
| New Residential — Multiple Family Dwelling (three or more units) | $120.00 each building plus $60.00 each unit | City Fee Resolution 2026-008, Section 1-C.c.2 |
| Existing Residential (alteration) | $60.00 plus $10.00 for each additional branch circuit | City Fee Resolution 2026-008, Section 1-C.d |
| Existing Residential Basement Finish — 0-1,500 sq ft | $90.00 (includes 2 inspections) | City Fee Resolution 2026-008, Section 1-C.e |
| Existing Residential Basement Finish — 3,501 sq ft and up | $225.00 (includes 5 inspections) | City Fee Resolution 2026-008, Section 1-C.e |
| Plan Check Fee | $70.00 minimum for one hour or less, plus $40.00 for each additional half hour or portion thereof (including travel time) | City Fee Resolution 2026-008, Section 1-C.o |
| Re-inspection Fee | $70.00 per re-inspection | City Fee Resolution 2026-008, Section 1-C.n |
EV Charger / EVSE Permit
VerifiedRequired for installation of a residential electric vehicle charging circuit in Ammon. Filed as an electrical permit through BluePrince and issued/inspected directly by the City of Ammon Building Department under the National Electrical Code (2023 NEC). The City's Fee Resolution 2026-008 electrical schedule has no EV-charger/EVSE-specific line item — a new EV charger circuit added to an existing home is billed under the 'Existing Residential (alteration)' category, which is priced per added branch circuit.
Verified 2026-07-20 · Source
Requirements
- Electrical permit required for the new EV charger branch circuit
- Governed by the National Electrical Code (2023 NEC / NFPA 70) as adopted by the City
- Apply through the BluePrince portal
- Failure to secure a permit before beginning work results in a double fee
Required documents
- RequiredBluePrince Electrical Permit ApplicationSubmitted online through the BluePrince portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Existing Residential (alteration) — covers a new branch circuit for an EV charger added to an existing home (no EV-specific line item published) | $60.00 plus $10.00 for each additional branch circuit | City Fee Resolution 2026-008, Section 1-C.d — the applicable category for adding a dedicated EV charger circuit to existing residential wiring. Re-confirmed live 2026-07-20 by reading the resolution PDF directly (cityofammon.us/media/x1ec5nsh/2026-spring-fee-resolution.pdf, a scanned/image PDF not extractable by plain-text tools, read via OCR): Resolution 2026-008 was adopted and made effective April 16, 2026, and Section 1-C.d.1 reads verbatim 'Existing Residential: $60.00 plus $10 for each additional branch circuit.' |
Plumbing Permit
VerifiedRequired for plumbing installation, alteration, or repair work in Ammon, governed by the 2017 Idaho State Plumbing Code (based on the Uniform Plumbing Code) as identified on the City's Building Department page. Plumbing permits within city limits are issued and inspected directly by the City of Ammon Building Department.
Verified 2026-07-04 · Source
Requirements
- Plumbing permit required for residential (single-family, apartments, condominiums, townhouses, and other multiple living units — each living unit requires its own residential permit fee), replacement/addition to existing residential, existing residential basement finish, and non-residential (commercial/industrial/schools/hospitals/churches/hotels/motels) work
- Separate permits are required for residential sewer and water service line installations
- Governed by the 2017 Idaho State Plumbing Code as identified on the City of Ammon Building Department page
- Apply through the BluePrince portal
Required documents
- RequiredBluePrince Plumbing Permit ApplicationSubmitted online through the BluePrince portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential — 0-1,500 sq ft | $160.00 (includes 3 inspections) | City Fee Resolution 2026-008, Section 1-E.1 |
| Residential — 1,501-2,500 sq ft | $190.00 (includes 3 inspections) | City Fee Resolution 2026-008, Section 1-E.1 |
| Residential — 2,501-3,500 sq ft | $250.00 (includes 4 inspections) | City Fee Resolution 2026-008, Section 1-E.1 |
| Residential — 3,501-4,500 sq ft | $310.00 (includes 5 inspections) | City Fee Resolution 2026-008, Section 1-E.1 |
| Residential — 4,501 sq ft and up | $310.00 plus $60 for each additional 1,000 sq ft or portion thereof (includes 6 inspections) | City Fee Resolution 2026-008, Section 1-E.1 |
| Replacement or Addition to Existing Residential | $50.00 permit fee plus $10.00 per fixture inspection fee | City Fee Resolution 2026-008, Section 1-E.a |
| Existing Residential Basement Finish — 0-1,500 sq ft | $90.00 (includes 2 inspections) | City Fee Resolution 2026-008, Section 1-E.b |
| Existing Residential Basement Finish — 3,501 sq ft and up | $225.00 (includes 5 inspections) | City Fee Resolution 2026-008, Section 1-E.b |
| Non-Residential Base Permit Fee | $50.00, plus inspection fee of 3% of job value up to $20,000, 2% of value $20,000-$100,000, 1% of value $100,000-$200,000, 0.5% of value above $200,000 | City Fee Resolution 2026-008, Section 1-E.c |
| Minimum Permit Fee (new construction, remodel, or alteration) | $50.00 | City Fee Resolution 2026-008, Section 1-E.c.3 |
Mechanical / HVAC Permit
VerifiedRequired for heating, ventilation, air conditioning, and related mechanical installations in Ammon, governed by the 2018 International Mechanical Code (IMC) and 2018 International Fuel Gas Code (IFGC) as identified on the City's Building Department page. Mechanical permits within city limits are issued and inspected directly by the City of Ammon Building Department.
Verified 2026-07-04 · Source
Requirements
- Mechanical permit required for residential single/duplex family dwelling installations, decorative gas fireplaces, replacement/addition to existing residential equipment, existing residential basement finish, and multiple family/commercial/institutional/industrial installations
- Governed by the 2018 IMC and 2018 IFGC as identified on the City of Ammon Building Department page
- Apply through the BluePrince portal
Required documents
- RequiredBluePrince Mechanical Permit ApplicationSubmitted online through the BluePrince portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Single/Duplex Family Dwelling — 0-1,500 sq ft | $160.00 (includes 3 inspections) | City Fee Resolution 2026-008, Section 1-D.1 |
| Residential Single/Duplex Family Dwelling — 4,501 sq ft and up | $310.00 plus $60 for each additional 1,000 sq ft or portion thereof (includes 6 inspections) | City Fee Resolution 2026-008, Section 1-D.1 |
| Decorative Gas Fireplace | $50.00 per fireplace unit (includes all inspections) | City Fee Resolution 2026-008, Section 1-D.2 |
| Replacement or Addition to Existing Residential — first appliance | $30.00 base permit fee plus $50.00 inspection fee | City Fee Resolution 2026-008, Section 1-D.3.1 — covers furnace, furnace-A/C, evaporative cooler, unit heater, space heater, decorative gas-fired appliance, incinerator, water heater, boiler, pool heater, and similar fixtures/appliances |
| Replacement or Addition to Existing Residential — each additional appliance | $20.00 | City Fee Resolution 2026-008, Section 1-D.3.2 |
| Existing Residential Basement Finish — 0-1,500 sq ft | $90.00 (includes 2 inspections) | City Fee Resolution 2026-008, Section 1-D.4 |
| Multiple Family, Commercial, Institutional, Industrial — base fee | $30.00 per building, plus inspection fee of 3% of installed cost up to $20,000, 2% of value $20,000-$100,000, 1% of value $100,000-$200,000, 0.5% of value above $200,000 | City Fee Resolution 2026-008, Section 1-D.5 |
| Commercial Roof-Top Unit Replacement (no additional ductwork) | 1.5% of the valuation of the new equipment and installation | City Fee Resolution 2026-008, Section 1-D.5.6 |
Re-Roofing Permit
VerifiedRequired for residential and commercial re-roofing in Ammon, governed by the 2018 IBC/IRC and administered through the standard building permit process via the BluePrince portal.
Verified 2026-07-04 · Source
Requirements
- Residential re-roof: fee is 1% of the contract price submitted by the roofing contractor/owner, capped at $100; no separate plan-check fee structure is broken out for a straightforward like-for-like re-roof
- Commercial re-roof: requires a full building permit fee plus a 10% plan-check fee; no Fire Department or Planning Department plan-check fee is required for re-roofing
- If a re-roof of other than a one- or two-family dwelling includes new structural elements that change the roof (including addition of cold roof sleepers), a full building permit and all plan-check fees (including Fire/Planning) are required
- Apply through the BluePrince portal
Required documents
- RequiredBluePrince Building Permit Application (Roofing)Submitted online through the BluePrince portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Re-Roof Fee | 1% of the contract price, not to exceed $100.00 | City Fee Resolution 2026-008, Section 1-B |
| Commercial Re-Roof Fee | Full building permit fee (per the valuation-based Building Permit Fee table) plus a 10% plan-check fee | City Fee Resolution 2026-008, Section 1-B |
Solar Array (Photovoltaic) Permit
VerifiedRequired for installation of rooftop solar photovoltaic (solar array) systems in Ammon. The City publishes a dedicated Solar Array submittal checklist, but solar installations are processed and fee-billed through the standard Building Permit (structural/racking, valuation-based) and Electrical Permit (wiring/interconnection) pathways — the City Fee Resolution has no separate solar-specific fee line item.
Verified 2026-07-20 · Source
Requirements
- Site plan required showing all property lines, street names, setbacks on all four sides, existing structures, owner/contractor name, north arrow, site address, Division/Lot/Block, zone, and location of added utilities — submitted electronically to the City Planning & Zoning Director
- Building Permit required; application available on the City's website under Building Department > Solar/Roofing permit application
- One-line electrical diagram and full electrical diagram required for all buildings
- Location of solar array on the roof must be shown
- All racking/mounting must be U.L. listed, with documentation provided
- Engineer letter with Idaho stamp required for the existing roof
- All required safety labeling must be shown
- 2018 IBC (or IRC, if applicable) code reference required; irregular buildings in Seismic Zone D require stamped engineering per IBC 301.2.2.6
- Plans must be submitted electronically as PDF to permits@cityofammon.us
Required documents
- RequiredSolar Array Checklist / Building Permit ApplicationCity of Ammon's dedicated Solar Array submittal checklist, combined with the standard Building Permit application (listed as 'Solar/Roofing permit application' on the City website)
- RequiredSite PlanShowing property lines, setbacks, existing structures, and utility locations; submitted to the Planning & Zoning Director
- RequiredOne-Line and Full Electrical DiagramsRequired for all buildings under the Solar Array checklist
- RequiredEngineer Letter (Idaho-stamped)Confirms the existing roof structure supports the added solar array load
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee (structural/racking portion) — valuation $1 to $500 | $40.00 base fee | City Fee Resolution 2026-008 (effective April 16, 2026), Section 1-A; no separate solar/PV line item exists — solar is billed under the general valuation-based Building Permit table |
| Building Permit Fee — valuation $2,001 to $25,000 | $60.00 base fee for the first $2,001, plus $9.00 per additional $1,000 | City Fee Resolution 2026-008, Section 1-A (typical residential rooftop PV valuation range) |
| Existing Residential Electrical (alteration) Fee — for PV interconnection wiring | $60.00 plus $10.00 for each additional branch circuit | City Fee Resolution 2026-008, Section 1-C.d |
| Plan Check Fee | $70.00 minimum for one hour or less, plus $40.00 for each additional half hour (including travel time) | City Fee Resolution 2026-008, Section 1-C.o |
Sources & verification
Verified against official sources. Last reviewed 2026-07-04.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Ammon building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.