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Residential Addition / Remodel Permit — Wellington, Colorado · Requirements sheet
Verified 2026-07-06 · Source: https://www.wellingtoncolorado.gov/553/Contractors
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
Residential Addition / Remodel Permit in Wellington, Colorado
Required for additions, basement finishes, and remodels to existing residential structures in Wellington. Falls under the Town's 'Permits With Plan Review' track and 'Residential Alterations' permit-naming category, reviewed by SAFEbuilt under the 2024 IRC as locally amended.
Verified 2026-07-06 · Source
When you need this permit
- Reviewed under the 'Permits With Plan Review' track — requires the SAFEbuilt Building Guide packet and matching Wellington Project Checklist for the specific project type (Residential Addition, Basement Finish, or Residential Remodel)
- Structural modifications require an engineered letter
- Engineered plans by a Colorado-licensed engineer or architect may be required depending on project scope — reference the applicable Building Guide packet
- All contractors/subcontractors must hold a current Town of Wellington Contractor License Contractor
Required documents
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Fee schedule
Permit Issuance
$25 flat
Building Permit Fee (same valuation-based schedule as new construction)
$75 minimum, scaling per the tiers in the Fee Schedule effective 2026-04-01
Building Plan Review Fee (Single- and Two-Unit Residential)
30% of Building Fee
Town Administrative Fee
10% of Building Fee
Review timeline
Plan reviewWellington’s published plan-review target
5+ business days
Inspection process
- 1
Framing (additions only)
Structural connection to existing structure verified
- 2
Insulation
Required before wall coverings are installed
- 3
Rough Electrical / Plumbing / Mechanical
Trade rough-ins before concealment
- 4
Final Inspection
All work complete per approved plans
See the full Wellington inspection guide — scheduling & re-inspection fees →
Tips
- Wellington's own Permit Naming Categories chart is the fastest way to determine which specific online permit type to select in Community Core/Connect for your project — addition, remodel, and basement finish are each named distinctly.
- No standalone ADU permit type exists in Wellington; an accessory dwelling unit is processed as either a Residential Addition (if attached) or an Accessory Structure permit (if detached), per the Town's own permit-naming guidance.
Frequently asked questions
Wellington requires a residential addition / remodel permit for: Reviewed under the 'Permits With Plan Review' track — requires the SAFEbuilt Building Guide packet and matching Wellington Project Checklist for the specific project type (Residential Addition, Basement Finish, or Residential Remodel); Structural modifications require an engineered letter; Engineered plans by a Colorado-licensed engineer or architect may be required depending on project scope — reference the applicable Building Guide packet; All contractors/subcontractors must hold a current Town of Wellington Contractor License. If your project isn't listed, confirm with Town of Wellington Planning and Building Department at 970-821-5078 (Building Department direct); 970-568-3381 (Town main line, ext. 115 for building permit verification) before starting work.
In Wellington, the published Permit Issuance is: $25 flat. Additional published fees: Building Permit Fee (same valuation-based schedule as new construction) — $75 minimum, scaling per the tiers in the Fee Schedule effective 2026-04-01; Building Plan Review Fee (Single- and Two-Unit Residential) — 30% of Building Fee; Town Administrative Fee — 10% of Building Fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.
Wellington's published plan-review target for a residential addition / remodel permit is 5+ business days.
You'll need: Building Permit Application; SAFEbuilt Building Guide Packet — Residential Addition; Wellington Project Checklist — Residential Addition/Remodel. Depending on your project, Wellington may also ask for: Engineered Letter. See the required-documents checklist on this page for details on each.
Wellington requires 4 inspection(s) for a residential addition / remodel permit, in order: Framing (additions only), Insulation, Rough Electrical / Plumbing / Mechanical, Final Inspection. Schedule each through Town of Wellington Planning and Building Department (970-821-5078 (Building Department direct); 970-568-3381 (Town main line, ext. 115 for building permit verification)).
Apply through Town of Wellington Planning and Building Department at 8225 Third Street, P.O. Box 127, Wellington, CO 80549. Phone: 970-821-5078 (Building Department direct); 970-568-3381 (Town main line, ext. 115 for building permit verification), email: Building@wellingtoncolorado.gov. Office hours: Monday-Friday, 8:00 a.m. to 5:00 p.m., Municipal Services Building, 8225 Third Street (across from Centennial Park). Plan review and inspections are conducted by SAFEbuilt, the Town's contracted building-department partner, not Town staff directly; inspection scheduling calls to SAFEbuilt (970-674-1036 or 866-671-1036) must be placed before 4 p.m. for next-business-day scheduling.. Official information: https://wellingtoncolorado.gov/554/Building.
Wellington, Colorado has adopted: 2024 International Building Code (IBC) — effective January 1, 2026; 2024 International Residential Code (IRC) — effective January 1, 2026; 2024 International Energy Conservation Code (IECC) — effective January 1, 2026; 2024 International Mechanical Code (IMC) — effective January 1, 2026; 2024 International Plumbing Code (IPC) — effective January 1, 2026; 2024 International Fire Code (IFC) — effective January 1, 2026; 2024 International Property Maintenance Code (IPMC) — effective January 1, 2026; 2024 International Existing Building Code (IEBC) — effective January 1, 2026; 2024 International Swimming Pool and Spa Code (ISPSC) — effective January 1, 2026; 2026 National Electrical Code (NFPA 70-NEC) — effective January 1, 2026 (per the Town's Building Department page; note this is one code cycle ahead of the 2023 NEC used by most other 2026-era Colorado jurisdictions in this corpus — verified directly against the Town's own 'Building Code Update' announcement, not assumed); 2025 Colorado Wildfire Resiliency Code, Version 1.0 — adopted alongside the 2024 I-Codes; Colorado Model Electric and Solar Ready Code — adopted alongside the 2024 I-Codes, addressing HB22-1362's statewide energy/electric-readiness floor; Local Amendments — Ordinance No. 15-2025 (adopted on first reading October 14, 2025 and second reading/adoption November 12, 2025; effective January 1, 2026) replace the Town's prior 2018 I-Code local amendments (originally under Ordinance No. 5-2019) and Ordinance No. 8-2019 (2019 building fee schedule) as the current governing local amendment package. Ordinance No. 15-2025 is codified on Municode (a JavaScript single-page application at library.municode.com/co/wellington); bare curl/automated fetch still returns HTTP 200 with no static text, but CORRECTED 2026-07-23: the full codified text IS retrievable via a live browser session (Municode renders client-side JS content that a headless curl fetch cannot execute) — confirmed directly against Chapter 18, Articles 1-4 (IBC/IRC/IPC/IMC amendments), version 'JUL 10, 2026 (CURRENT)', which quotes Ordinance No. 15-2025's full section-by-section amendment text verbatim, including the IRC R401.2 foundation/soils-report amendment. The Town's own Building Department webpage 'Building Departments News & Update' section (dated 11.25.2025) remains a valid corroborating first-party source for the adoption dates.; Previous code cycle (through December 31, 2025, now superseded): 2018 International Code editions (IBC, IRC, IECC, IMC, IPC, IFGC, IPMC, IEBC, IFC) under Ordinance No. 5-2019, and 2023 NEC. The Town's own Contractors/Homeowners webpages still host several 2018-cycle 'SAFEbuilt Building Guide' packets (Re-Roof 2018, Accessory Structure 2018, Deck/Porches 2018, Patio Covers 2018, Pole Barn 2018, Swimming Pools 2018, PV System 2019) that have not yet been refreshed to reference the 2024 I-Codes as of this review — treated as legacy/stale content rather than the governing code list, consistent with the Town's own live 'Current (Effective January 1, 2026)' code list.. Local amendments apply — see the Wellington overview page for the full list.
No. As of this review, Wellington's Building Department does not publish a standalone ADU permit category. An ADU would be processed as a Residential Addition (if attached to the primary dwelling) or an Accessory Structure permit (if a detached structure), per the Town's Permit Naming Categories chart.
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 Wellington building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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