Skip to main content
PermitBase

Residential Addition / Remodel Permit in Northglenn, Colorado

Required for additions, pop-tops, basement finishes, detached garages, decks/carports, and interior remodels in Northglenn. Reviewed under the 2021 IRC as locally amended. Routed through CommunityCore's 'Plan Review Permit' track.

Verified 2026-07-05 · Source

When you need this permit

  • Permit required for: Additions and pop-tops; Garages and carports (detached and attached); Sheds over 200 SF; Other accessory structures over 200 SF; Decks; Decks with patio covers; Patio enclosures; Screened porches/sunrooms; Basement finishes; Remodeling; Structural modifications
  • Accessory structures that are one story, detached, under 200 SF, with no utilities do NOT require a permit
  • Basement finish, detached garage, decks/carports, and residential remodels/additions are categorized as 'Plan Review Permits' in CommunityCore, requiring documents uploaded to the portal's Documents tab before submittal
  • All contractors must hold a current City of Northglenn contractor license and be listed on the permit Contractor

Required documents

Check off what you have — your progress is saved on this device.

Not ready yet — 0 of 3 required documents checked.

This checker covers one permit. A full project usually triggers several — our paid checklist will assemble all of them, from $29 →

Fee schedule

Building Permit Fee (same valuation-based Valuation Chart as new construction)City of Northglenn Fees & Taxes page
$23.50 minimum, scaling per the valuation tiers
Plan Review Fee
65% of the Building Permit Fee
Use Tax
Total valuation x 50% x 4% assessed rate

Review timeline

Plan reviewNorthglenn’s published plan-review target
10–14 business days

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

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, per 36-inch minimum frost depth

  2. 2

    Framing

    Framing and connection to existing structure

  3. 3

    Rough Electrical/Plumbing/Mechanical

    Trade rough-ins before concealment

  4. 4

    Final Inspection

    All work complete per approved plans

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

Tips

  • Basement finishes and detached garages both require a permit in Northglenn and are routed through the Plan Review (not Quick Permit) track — budget for the 10-14 business day review window.
  • Sheds and accessory structures under 200 SF with no utilities are exempt — but crossing the 200 SF threshold or adding utilities triggers a permit requirement.
  • All decks require a permit in Northglenn, including those with patio covers — unlike some jurisdictions that exempt small/low decks.

Frequently asked questions

Only if it exceeds 200 square feet, or if it has utilities. One-story, detached accessory structures under 200 SF with no utilities are exempt.

In Northglenn, the published Building Permit Fee (same valuation-based Valuation Chart as new construction) is: $23.50 minimum, scaling per the valuation tiers. Additional published fees: Plan Review Fee — 65% of the Building Permit Fee; Use Tax — Total valuation x 50% x 4% assessed rate. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Northglenn's published plan-review target for a residential addition / remodel permit is 10–14 business days.

You'll need: Building Permit Application (CommunityCore); Site Plan; Floor Plan and Section View. See the required-documents checklist on this page for details on each.

Northglenn requires 4 inspection(s) for a residential addition / remodel permit, in order: Foundation (if new footings), Framing, Rough Electrical/Plumbing/Mechanical, Final Inspection. Schedule each through City of Northglenn Building Division (operated under contract by SAFEbuilt) (303.450.8745).

Apply through City of Northglenn Building Division (operated under contract by SAFEbuilt) at 11701 Community Center Drive, Northglenn, CO 80233. Phone: 303.450.8745, email: building@northglenn.org. Office hours: Weekdays, 8:30 a.m. to 4:30 p.m., except holidays; Inspection Request Line 303.450.8748 (call before 4 p.m. for next-work-day scheduling). Official information: https://www.northglenn.org/government/departments/building/.

Northglenn, Colorado has adopted: 2021 International Building Code (IBC), adopted by reference and locally amended — City of Northglenn Building Division code list, https://www.northglenn.org/government/departments/building/index.php; 2021 International Residential Code (IRC), adopted by reference and locally amended, including a locally-filled Table R301.2(1) Climatic and Geographic Design Criteria — source PDF: https://cms7files.revize.com/northglennco/IRC%202021.pdf; 2021 International Existing Building Code (IEBC); 2021 International Fire Code (IFC); 2021 International Mechanical Code (IMC); 2021 International Plumbing Code (IPC); 2021 International Fuel Gas Code (IFGC); 2021 International Energy Conservation Code (IECC); 2021 International Property Maintenance Code (IPMC); 2021 International Swimming Pool and Spa Code (ISPSC); 2023 National Electrical Code (NEC), adopted by reference and locally amended; 2017 ICC A117.1 Accessible and Usable Buildings and Facilities; 1997 Uniform Code for the Abatement of Dangerous Buildings, as amended; Municode Northglenn Chapter 10 (Building Regulations) governs adoption: Article 10-1 (Building Department administration), Article 10-2 (IBC amendments), Article 10-7 (IFGC), Article 10-8 (IRC amendments), Article 10-11 (IECC), Article 10-16 (IPMC), Article 10-17 (IEBC), Article 10-18 (Contractor Licenses) — https://municode.northglenn.org/ch10/chapter_10.html; NOTE (per City's own Building Division page): Northglenn is scheduled to adopt the suite of 2024 ICC codes by summer 2026 and the 2026 NEC immediately following State of Colorado adoption (slated for adoption August 2026) — confirm current edition in force at time of permitting. Local amendments apply — see the Northglenn 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 Northglenn building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Other permits in Northglenn

Residential Building Permit (New Construction)Electrical PermitPlumbing PermitMechanical / HVAC PermitRoofing Permit (Reroof)Solar PV PermitAccessory Dwelling Unit (ADU) PermitDemolition PermitFence / Retaining Wall PermitEV Charger Permit

Residential Addition / Remodel Permit in other cities

Akron, ColoradoArvada, ColoradoAspen, ColoradoAult, ColoradoAurora, ColoradoAvon, ColoradoBasalt, ColoradoBennett, Colorado

Compare residential addition / remodel permit fees across Colorado →

Look up this fee in a different city →

Embed this data card →

Now live

Build your Northglenn project checklist

Describe your project once and get every permit, document, and fee it triggers in Northglenn — in one checklist. Sign up and pay once to generate it, or go unlimited with Pro.

Get started →