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Shed / Accessory Structure Permit in Windsor, Colorado

A permit is required for a shed or other accessory structure in Windsor only if it exceeds 120 square feet in area or is taller than 10 feet at the peak; placement is also restricted relative to the principal building.

Verified 2026-07-06 · Source

When you need this permit

  • Permit required only if the shed/accessory structure exceeds 120 square feet OR stands taller than 10 feet at the peak, per the Town's own FAQ
  • 'No accessory building, regardless of its size, shall be located any closer to the front property line than the rear corners of the principal building,' per the Town's FAQ (a placement rule that applies even to permit-exempt sheds)

Required documents

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Fee schedule

Permit Fee (only if size/height threshold exceeded)Town Fee Schedule, Updated 02.01.2026
Equal to SAFEbuilt's own valuation-based fee (not separately published for this scope)
Windsor Administration Fee
25% of the SAFEbuilt fee

Review timeline

Plan review
Not published — contact the department

How long did your Shed / Accessory Structure Permit permit actually take in Windsor?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Final Inspection

    Structure size, height, and placement relative to the principal building's rear corners verified

See the full Windsor inspection guide — scheduling & re-inspection fees →

Tips

  • Windsor's shed threshold is a dual test — EITHER exceeding 120 square feet OR exceeding 10 feet in height triggers a permit, not just one or the other.
  • Even permit-exempt sheds are still bound by the placement rule: no accessory building of any size may sit closer to the front property line than the rear corners of the principal building.

Frequently asked questions

A permit is required only if the shed exceeds 120 square feet or is taller than 10 feet. Regardless of size, no accessory building may be located closer to the front property line than the rear corners of the principal building.

In Windsor, the published Permit Fee (only if size/height threshold exceeded) is: Equal to SAFEbuilt's own valuation-based fee (not separately published for this scope). Additional published fees: Windsor Administration Fee — 25% of the SAFEbuilt fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Windsor does not publish a plan-review timeline for this permit. Contact Town of Windsor Community Development / Building Permits (Building Division contracted to SAFEbuilt) at 970-674-2436 (Permit Technician); 970-674-2400 (Town main line, option 4 for Building Permits/Community Development); SAFEbuilt Inspections 970-674-1036 or 1-866-671-1036 for current turnaround.

You'll need: Building Permit Application (if size/height thresholds are exceeded); Site Plan. See the required-documents checklist on this page for details on each.

Windsor requires 1 inspection(s) for a shed / accessory structure permit, in order: Final Inspection. Schedule each through Town of Windsor Community Development / Building Permits (Building Division contracted to SAFEbuilt) (970-674-2436 (Permit Technician); 970-674-2400 (Town main line, option 4 for Building Permits/Community Development); SAFEbuilt Inspections 970-674-1036 or 1-866-671-1036).

Apply through Town of Windsor Community Development / Building Permits (Building Division contracted to SAFEbuilt) at 200 N. 11th Street, Windsor, CO 80550 (Permit Technician); Planning Department at 301 Walnut Street, Windsor, CO 80550. Phone: 970-674-2436 (Permit Technician); 970-674-2400 (Town main line, option 4 for Building Permits/Community Development); SAFEbuilt Inspections 970-674-1036 or 1-866-671-1036, email: SAFEbuilt inspection requests: inspect@safebuilt.com. Town Permit Technician (Robin Volner, per the Multi-Family Building Permit Fee Estimate form): rvolner@windsorgov.com. Office hours: Monday-Thursday, 8 a.m. to 5 p.m.; online services available Fridays (Town offices are closed to walk-in service on Fridays per the Building Permits page). Official information: https://www.windsorco.gov/137/Building-Permits.

Windsor, Colorado has adopted: 2024 International Codes (I-Codes), adopted with an effective date of January 1, 2026 — Town of Windsor Building Permits page (verbatim: 'The 2024 I-Codes have been adopted with the effective date of January 1, 2026') states all new building plans, including master plans and energy code submissions, are reviewed under the 2024 I-Codes as of that date. Source: https://www.windsorco.gov/137/Building-Permits; 2023 National Electrical Code (NEC), effective for permit applications submitted on or after January 1, 2024 — per the Town's own '2023 NEC Adoption Letter — Windsor' PDF referenced from the Building Permits page; 2025 Colorado Wildfire Resiliency Code (CWRC), adopted by the Colorado Wildfire Resiliency Code Board (WRCB) effective July 1, 2025 (8 CCR 1507-39); the Town of Windsor's own Building Permits page states the CWRC 'will take effect in Windsor on July 1, 2026'; DATA-CURRENCY CONFLICT DISCLOSED: the Town's separately-hosted 'Design Criteria and Adopted Codes' PDF (last modified 2024-07-23, prior to the 2024 I-Codes' Jan 1, 2026 effective date) still lists a superseded code suite — 2018 IRC/IBC, 2018 IECC, 2018 IFC, 2020 NEC, 2018 IPC, 2018 IMC, 2018 IFGC, 2018 IEBC, 2018 ISPSC, all 'with Amendments' — and has evidently not been refreshed to reflect the 2024 I-Codes/2023 NEC transition confirmed directly and verbatim on the live Building Permits page. This file treats the live Building Permits page (2024 I-Codes eff. 1/1/2026, 2023 NEC eff. 1/1/2024) as the current governing code list, per the more-recent, directly-dated source. Source: https://www.windsorco.gov/DocumentCenter/View/16086/Adopted-Codes-and-Design-Criteria (PDF metadata ModDate 2024-07-23) vs. https://www.windsorco.gov/137/Building-Permits (live page, fetched 2026-07-06). Local amendments apply — see the Windsor overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

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 Windsor building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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