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Residential Addition / Remodel Permit in Superior, Colorado

Covers additions, remodels (including basement finishes), decks, fences, retaining walls over 4 feet tall, structural repairs, window replacement, and detached accessory structures greater than 200 sq ft in the Town of Superior. Reviewed under the 2024 IRC as adopted, using the same Permit Guidance review-period targets and Building Permit Fee valuation schedule as new construction.

Verified 2026-07-05 · Source

When you need this permit

  • A permit is required for: additions; all types of remodels including basement finishes; structural repairs; replacement of windows; decks; fences; retaining walls over 4 ft tall; detached accessory structures greater than 200 sq ft
  • Retaining walls over 4 feet tall require an engineering letter and may require a safety railing on top of the wall, per the Residential Building Permit Application Checklist site-plan requirements
  • Additions/remodels greater than 500 sq ft are encouraged (though not required, unlike new residential structures) to divert construction waste per Municipal Code Section 18-14-40
  • Combined plan submittal (architectural/floor plans, site plan, structural details as applicable) uploaded to Community Core

Required documents

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Fee schedule

Building Permit Fee (same valuation-based Exhibit A schedule as new construction)Exhibit A, FINAL 2026 03/09/26
$28.50 minimum, scaling per the valuation tiers in the 2026 Governmental Fee Schedule
Plan Review Fee
65% of the Building Permit Fee
Town Use Tax
3.775% (2025 rate) of 50% of total project valuation
Boulder County Use Tax
1.335% (2026 rate) of 50% of total project valuation

Review timeline

Plan reviewSuperior’s published plan-review target
10–10 business days

How long did your Residential Addition / Remodel Permit permit actually take in Superior?

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

Inspection process

  1. 1

    Foundation (if new footings)

    Before concrete pour, where applicable

  2. 2

    Rough Frame

    Framing complete, connection to existing structure verified

  3. 3

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment

  4. 4

    Final Inspection

    All work complete per approved plans

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

Tips

  • Retaining walls over 4 feet tall need an engineering letter and may require a top safety railing — confirm this early since it is a project-defining requirement, not just paperwork.
  • Detached accessory structures under 200 sq ft do not require a permit; at or above 200 sq ft, a permit is required.
  • Waste diversion is only encouraged (not mandatory) for additions/remodels over 500 sq ft, unlike new residential structures where the 50% recycling requirement is mandatory.

Frequently asked questions

Yes. The Town's Permit Guidance page explicitly lists 'all types of remodels including basement finishes' among the work requiring a permit.

In Superior, the published Building Permit Fee (same valuation-based Exhibit A schedule as new construction) is: $28.50 minimum, scaling per the valuation tiers in the 2026 Governmental Fee Schedule. Additional published fees: Plan Review Fee — 65% of the Building Permit Fee; Town Use Tax — 3.775% (2025 rate) of 50% of total project valuation; Boulder County Use Tax — 1.335% (2026 rate) of 50% of total project valuation. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Superior's published plan-review target for a residential addition / remodel permit is 10–10 business days.

You'll need: Building Permit Application (Community Core); Site/Plot Plan and applicable structural/architectural plans. See the required-documents checklist on this page for details on each.

Superior requires 4 inspection(s) for a residential addition / remodel permit, in order: Foundation (if new footings), Rough Frame, Rough Electrical / Plumbing / Mechanical, Final Inspection. Schedule each through Town of Superior Planning & Building Department, Building Division (operated by SAFEbuilt) (303-381-2028).

Apply through Town of Superior Planning & Building Department, Building Division (operated by SAFEbuilt) at 100 Superior Plaza Way, Suite 200, Superior, CO 80027. Phone: 303-381-2028, email: superiorinspections@safebuilt.com. Office hours: Town of Superior general office hours Monday-Friday, 8 a.m.-4 p.m. (per Town website footer); Planning direct line 303-499-3675 ext. 131; Building direct line 303-381-2028; Permit Fees line 720-738-7326. The Building Division is operated under contract by SAFEbuilt; permit applications, submittals, and inspection requests are handled via the Community Core online portal and the superiorinspections@safebuilt.com email address.. Official information: https://www.superiorcolorado.gov/Government/Departments/Planning-Building.

Superior, Colorado has adopted: 2024 International Building Code (IBC) — adopted per Chapter 18 of the Superior Municipal Code, per the Town's Building Codes and Zoning Regulations page; 2024 International Residential Code (IRC), with a local amendment adopting the 2018 IRC high-wind roof-covering criteria (ASTM D7158 Class G or H, or ASTM D3161 Class F) for reroofing, per the Town's Supplemental Roof Information page (2018 IRC edition adopted June 2020 specifically for the wind-region roofing requirement, ahead of the Town's broader 2024 code cycle); 2024 International Mechanical Code (IMC); 2024 International Plumbing Code (IPC); 2024 International Fire Code (IFC); 2024 International Fuel Gas Code (IFGC); 2024 International Existing Building Code (IEBC); 2024 International Private Sewage Disposal Code; 2024 International Property Maintenance Code; Metro Cohort Model Code, based on the 2024 International Energy Conservation Code (IECC) — per the Town's Building Codes and Zoning Regulations page; 2023 National Electrical Code (NEC); Superior Municipal Code Section 18-14-40 (Minimum Efficiency Requirement / Construction Waste Recycling) — requires an applicant for a new residential structure building permit to demonstrate a minimum of 50% of construction waste is recycled, with waste diversion tracking submitted to the Town at project completion; additions/remodels over 500 sq ft are encouraged (not required) to divert waste. Local amendments apply — see the Superior overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-05.

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

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