Residential Addition / Basement Finish Remodel in Kersey, Colorado

Kersey requires a residential addition / basement finish remodel permit for: Site Plan required for additions that change the building footprint; not required for a purely interior basement finish that adds no exterior floor area; Floor Plan showing new/existing dimensions and any new openings; Heat required in all habitable rooms; plans must show how heat is supplied to new/finished space; Egress windows may not be enclosed by an addition; all basements and sleeping rooms must have an emergency escape window or exterior door per 2024 IRC Section R319; a window well with a sill height below grade needs a ladder if the well is deeper than 44 inches; Energy Code Compliance Report or REScheck calculations for additions; combustion equipment must meet the State of Colorado Electric Ready Code where applicable; Basement finish specifics (per the Town's Basement Finish Guide): smoke alarms required in all finished basements (hard-wired with battery backup, interconnected with existing alarms if a sleeping room is present); CO detectors required outside each sleeping area within 15 ft of bedrooms; furnaces/water heaters cannot be located in a bedroom or bathroom unless in a dedicated combustion-air-sourced enclosure with a minimum 30 in. clear working space; fire blocking required in concealed spaces of furred walls at 10 ft intervals; enclosed space under stairs must be protected with 1/2 in. gypsum board; toilets require 21 in. clearance in front and 15 in. from centerline to any obstruction, showers require a minimum 900 sq in. interior dimension, and a ventilation fan is required for bathrooms with unopenable windows; If the finished ceiling will be less than 7 ft, the guide directs applicants to consult the Building Department directly. If your project isn't listed, confirm with Town of Kersey Building Inspection Department (building inspection services contracted to SAFEbuilt Colorado, Windsor Office) at 970-353-1681 before starting work.

In Kersey, the published Building Permit Fee (UBC valuation-based, same schedule as new construction) is: Set by SAFEbuilt per UBC valuation. Additional published fees: Plan Review Fee — 30% of Permit Fee; Town Surcharge — 20% of Building Fee; Building Material Use Tax — 3.0% of 50% of construction material value. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Kersey does not publish a plan-review timeline for this permit. Contact Town of Kersey Building Inspection Department (building inspection services contracted to SAFEbuilt Colorado, Windsor Office) at 970-353-1681 for current turnaround.

You'll need: Building Permit Application; Floor Plan. Depending on your project, Kersey may also ask for: Site Plan. See the required-documents checklist on this page for details on each.

Kersey requires 3 inspection(s) for a residential addition / basement finish remodel permit, in order: Rough Trade (Plumbing/Mechanical/Electrical), Rough Frame / Insulation, Final Inspection. Schedule each through Town of Kersey Building Inspection Department (building inspection services contracted to SAFEbuilt Colorado, Windsor Office) (970-353-1681).

Apply through Town of Kersey Building Inspection Department (building inspection services contracted to SAFEbuilt Colorado, Windsor Office) at 446 1st Street, P.O. Box 657, Kersey, CO 80644. Phone: 970-353-1681, email: kdamrell@kerseygov.com. Office hours: Not published on the Town of Kersey website (Building Inspection Department page, Administration Department page, or building permit how-to page were all checked directly). Town Hall main line 970-353-1681; SAFEbuilt Windsor office line 970-686-7511 (cited on the Town's Current Building Regulations page for building-code clarification); SAFEbuilt inspection requests may also be emailed to windsor@safebuilt.com per the Town's Re-Roofing guide.. Official information: https://www.kerseygov.com/departments/building_inspection_department/index.php.

Kersey, Colorado has adopted: 2024 International Residential Code (IRC) — actively cited as the current adopted code on all nine of the Town's SAFEbuilt-published 'Building Guides for Homeowners' (Additions, Accessory Structures, Re-Roofing, Basement Finish, Decks, Patio Covers/Carports, Window Replacement, Pole Barns, Swimming Pools), each stamped 'Document published by SAFEbuilt, Inc. 1.1.2026' and headed '2024 IRC' — these are the Town's most recently updated, actively maintained permitting documents (site-wide document-center timestamps show a 2026-03-30 publish date).; 2020 National Electrical Code (NEC) — per the Town's Planning Department 'Current Building Regulations' page, which references a '2020 NEC - Significant Changes Residential Electrical' resource alongside the Municipal Code Chapter 18 structure.; RESOLVED 2026-07-23 (live primary source, Municode Library, library.municode.com/co/kersey, Kersey Municipal Code 'VERSION: OCT 23, 2025 (CURRENT)', codified through Ordinance No. 2025-0008 enacted 6/10/2025): the Municipal Code's own home page lists 'Adopted Ordinances Not Yet Codified,' including Ordinance No. 2025-0010, adopted 9/9/2025, titled verbatim 'AN ORDINANCE ADOPTING BY REFERENCE THE INTERNATIONAL BUILDING CODE, 2024 EDITION, THE INTERNATIONAL RESIDENTIAL CODE, 2024 EDITION, THE INTERNATIONAL FUEL GAS CODE, 2024 EDITION, THE INTERNATIONAL PLUMBING CODE, 2024 EDITION, THE INTERNATIONAL MECHANICAL CODE, 2024 EDITION, THE INTERNATIONAL EXISTING BUILDING CODE, 2024 EDITION, THE INTERNATIONAL PROPERTY MAINTENANCE CODE, 2024 EDITION, THE INTERNATIONAL SWIMMING POOL and SPA CODE, 2024 EDITION, AND THE INTERNATIONAL ENERGY CONSERVATION CODE, 2024 EDITION, PROMULGATED BY THE INTERNATIONAL CODE COUNCIL.' This is a real, dated, numbered ordinance (not a guess or inference) and directly confirms the SAFEbuilt-published '2024 IRC' guides were current and correct — the Town has adopted 2024 editions of IBC, IRC, IFGC, IPC, IMC, IEBC, IPMC, ISPSC, and IECC, superseding the 2018/2012 editions still shown in Chapter 18's currently-codified section text (Sec. 18-19 Building Code = 2018 IBC, Sec. 18-44 Residential Code = 2018 IRC, Sec. 18-64 Mechanical Code = 2018 IMC, Sec. 18-89 Fuel Gas Code = 2018 IFGC, Sec. 18-109 Plumbing Code = 2018 IPC, Sec. 18-134 Energy Conservation Code = 2012 IECC, Sec. 18-154 Property Maintenance Code = 2018 IPMC, Sec. 18-179 Existing Building Code = 2018 IEBC) — those codified sections simply have not yet been updated in Municode's online supplement to reflect the 9/9/2025 ordinance, exactly as the Municode banner itself discloses ('This Code of Ordinances... may not reflect the most current legislation adopted by the Municipality'). Notably, Ordinance No. 2025-0010's list does NOT include the International Fire Code — Article X (Sec. 18-199, adopted separately by Ordinance No. 2021-0001) remains the 2018 International Fire Code with no 2024-edition update found. Per this corpus's practice of treating the more current, actively-distributed and now ordinance-confirmed source as authoritative, this file treats IBC/IRC/IFGC/IPC/IMC/IEBC/IPMC/ISPSC as 2024 editions (per Ord. No. 2025-0010, 9/9/2025) and IFC as the 2018 edition (per Ord. No. 2021-0001, 1/12/2021, locally amended by Sec. 18-200) — the prior 'partial' flag on the non-residential code editions is resolved.; HB22-1362 (Colorado statewide energy code floor, 2021 IECC + electric/solar/EV-ready provisions, effective window July 2023-July 2026): RESOLVED IN PART 2026-07-23 — Municode confirms Chapter 18, Article VII (Sec. 18-134) currently codifies the 2012 IECC (not the ambiguous, undated 'Energy Conservation Code' the static Current Building Regulations page implied), and the same live Ordinance No. 2025-0010 (adopted 9/9/2025, not yet codified) adopts by reference the 2024 IECC, which post-dates and satisfies HB22-1362's 2021-IECC-floor requirement. The Home Additions guide's instruction to submit an 'Energy Code Compliance Report (www.energycodes.gov) or REScheck calculations' is consistent with 2024 IECC compliance documentation but still does not itself name an edition year — the 2024 IECC edition-year figure comes from the Ordinance 2025-0010 citation above, not from the SAFEbuilt guide.. Local amendments apply — see the Kersey overview page for the full list.

The Town's guides distinguish additions (which expand the building footprint and require a site plan/survey) from interior work; a basement finish that adds no new exterior floor area is not expected to require a site plan, though project-specific scope should be confirmed with the Building Department.