Accessory Dwelling Unit (ADU) Permit in Kersey, Colorado

Kersey requires an accessory dwelling unit (adu) permit for: ADU size: not smaller than 500 sq ft nor larger than 750 sq ft, and may not be larger or taller than the principal dwelling (Sec. 21-52(a)(6)); Must be on a legal, platted lot in a zoning district permitting single-unit detached dwellings; only one ADU per lot; must be on a permanent foundation (Sec. 21-52(a)(1),(2),(7)); Permitted zoning districts: AG (Agricultural), R-N (Residential Neighborhood), and R-MU (Residential Mixed-Use) only; Not permitted for short-term rental in any residential district; may not be sold separately from the principal dwelling; may not be the exclusive use of the property; may not be established before the principal structure; may not be located closer to the front property line than the principal structure (Sec. 21-52(a)(9)-(16), with item (5) 'allows for efficient use of property' DELETED by Ordinance No. 2026-0002 Section 2.2, adopted 1/13/2026); Motor homes, multi-purpose trailers, and recreational vehicles may not be used as ADUs; construction may not cause additional stormwater discharge onto adjacent residential lots; if a utility demand analysis shows additional raw water is needed, applicant must provide it per the Municipal Code; Setbacks follow the underlying zoning district's Building Standards table (e.g., AG: 40' front for both principal/accessory, 25' side, 25' rear, 35' max height; R-N and R-MU have their own tables) — PLUS a NEW 5-foot rear setback exception (in place of the 20' R-N / 10' R-MU principal-building rear setback) for ADUs that are ATTACHED TO or INTEGRATED WITH the principal dwelling, added by Ordinance No. 2026-0002 Sections 2.4-2.5 (adopted 1/13/2026, amending Table 21-21.1 R-N Building Standards and Table 21-22.1 R-MU Building Standards); NEW parking exception added by Ordinance No. 2026-0002 Section 2.3 (amending Chapter 20, Table 20.10): 1 off-street parking space is required per ADU ONLY IF all three of: (a) no existing off-street parking space (driveway/garage/tandem space) usable for the ADU exists on site; (b) the zoning district required 1+ parking spaces for the dwelling unit as of 1/1/2024; AND (c) the property is on a block where on-street parking is prohibited (including for emergency access); NEW 'Exempt Parcel' definition added by Ordinance No. 2026-0002 Section 2.1 (Chapter 19, Sec. 19-36): parcels not served by a domestic water/sewage system (or served by a well permit that cannot supply an additional unit), historic properties not in a historic district, or parcels in a floodway/100-year floodplain — the ordinance text does not specify the operative effect of 'Exempt Parcel' status on ADU eligibility beyond adding the definition; not independently resolved in this session; Administrative review process (Sec. 22-101(c)): 2 copies of the complete application submitted to the Town Clerk; Staff (Town Planner and Town Engineer) reviews for completeness and compliance and may refer to other departments/agencies; Town Manager issues a decision to approve, conditionally approve, or deny; A pre-application meeting is required for Planning Department land use applications generally, scheduled by calling Town Hall (970-353-1681); Once the ADU application is approved, the applicant must submit a complete building permit application within 180 days of the decision or the approval becomes void; the standard SAFEbuilt building-permit review process then applies (Sec. 22-101(c)(6)-(7)). 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 ADU Application Fee is: Not a fixed published amount. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Kersey's published plan-review target for an accessory dwelling unit (adu) permit is 30–30 business days.

You'll need: Accessory Dwelling Unit Application Form. See the required-documents checklist on this page for details on each.

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.

Yes. Kersey Municipal Code Sec. 22-101 and Sec. 21-52(a) establish an administrative ADU review process in the AG, R-N, and R-MU zoning districts, decided by the Town Manager within 30 days of a complete application, followed by a standard SAFEbuilt building permit.

Between 500 and 750 square feet, and no larger or taller than the principal dwelling on the lot, per Sec. 21-52(a)(6).

Yes. Ordinance No. 2026-0002, adopted January 13, 2026 following a Colorado Department of Local Affairs (DOLA) compliance review, removed a subjective approval criterion, added a limited parking exception, added a 5-foot rear setback exception for attached/integrated ADUs in the R-N and R-MU districts, and added a new 'Exempt Parcel' definition.