This is PermitBase’s published record for Northglenn as of 2026-07-06. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Northglenn building permits
VerifiedNorthglenn, Colorado — as published 2026-07-06.
Verified 2026-07-05 · Source
Codes 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.php2021 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.pdf2021 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 amended2017 ICC A117.1 Accessible and Usable Buildings and Facilities1997 Uniform Code for the Abatement of Dangerous Buildings, as amendedMunicode 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.htmlNOTE (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
Permit types & fees
Residential Building Permit (New Construction)
VerifiedRequired for new single-family homes and similar new residential construction in Northglenn. Reviewed under the 2021 IRC/IBC as locally amended (including Northglenn's own Table R301.2(1) climatic/geographic design criteria) by the City's Building Division, operated under contract by SAFEbuilt. Falls under the CommunityCore 'Plan Review Permit' track.
Verified 2026-07-05 · Source
Requirements
- Plans must comply with the 2021 IRC/IBC as adopted and locally amended, including Northglenn's Table R301.2(1) design criteria: 30 psf ground snow load, 130 mph wind speed, Seismic Design Category B, Severe weathering, 36-inch frost line depth
- New construction is a 'Plan Review Permit' category project in CommunityCore — plans and documents must be uploaded to the CommunityCore portal 'Documents' tab before application submittal
- All contractors performing work (general, electrical, mechanical, plumbing) must hold a current City of Northglenn contractor license and be listed on the permit before issuance
- North Metro Fire Rescue District review applies; Adams County Health Department review applies if the project involves food preparation or child care
- Valuation determined by applying project square footage to the ICC Building Valuation Data Table
Required documents
- RequiredBuilding Permit Application (CommunityCore)Submitted via the CommunityCore online portal; homeowners register as a Community Member, contractors use Building Division-issued login credentials
- RequiredSite PlanShowing lot dimensions and existing structures
- RequiredFloor PlanFull floor plan for the new structure
- OptionalSection ViewShowing how new structures attach to existing buildings, if needed
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — valuation $1 to $500 | $23.50 | Valuation Chart (Plumbing, Heating and HVAC table), based on the 1997 Uniform Building Code, currently under the Feb 2019 fee update; City of Northglenn Fees & Taxes page |
| Building Permit Fee — valuation $2,001 to $25,000 | $69.25 for the first $2,000 plus $14 for each additional $1,000 or fraction thereof | — |
| Building Permit Fee — valuation $100,001 to $500,000 | $993.75 for the first $100,000 plus $5.60 for each additional $1,000 or fraction thereof | — |
| Building Permit Fee — valuation $1,000,001 and up | $5,608.75 for the first $1,000,000 plus $3.65 for each additional $1,000 or fraction thereof | — |
| Plan Review Fee | 65% of the Building Permit Fee | Covers building, mechanical, plumbing, and electrical review; paid at plan submittal |
| Use Tax | Total valuation x 50% (assumed materials share) x 4% assessed rate | Collected at permit issuance; example: $20,000 valuation yields $400.00 use tax |
Residential Addition / Remodel Permit
VerifiedRequired 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
Requirements
- 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
Required documents
- RequiredBuilding Permit Application (CommunityCore)Submitted via CommunityCore; plans uploaded to the Documents tab before application submittal
- RequiredSite PlanShowing lot dimensions and existing/proposed structures
- RequiredFloor Plan and Section ViewShowing addition/remodel scope and connection to the existing structure
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee (same valuation-based Valuation Chart as new construction) | $23.50 minimum, scaling per the valuation tiers | City of Northglenn Fees & Taxes page |
| Plan Review Fee | 65% of the Building Permit Fee | — |
| Use Tax | Total valuation x 50% x 4% assessed rate | — |
Electrical Permit
VerifiedRequired for electrical modifications, service upgrades, and panel changeouts in Northglenn. Governed by the 2023 NEC as locally adopted and amended. Standalone electrical work (Electrical Only, service upgrades, panel changeouts) is categorized as a 'One-Stop/Quick Permit' in CommunityCore, issued without a plan upload. Residential electrical permits are billed on a distinct area-based fee schedule rather than the general valuation table.
Verified 2026-07-05 · Source
Requirements
- Permit required for electrical modifications; changing light fixtures like-for-like does NOT require a permit
- Governed by the 2023 NEC as adopted by reference and locally amended
- Electrical Service Upgrade, Electrical Panel Change Out, and Electrical Only (commercial and residential) are listed among CommunityCore's One-Stop/Quick Permits (no plan upload required)
- All contractors — including electrical contractors — must hold a current City of Northglenn contractor license in addition to any state licensure; permits are not issued until all contractors are licensed and listed on the permit
- Electrician contractor license itself carries no fee, per the City's Contractor License page, though the license is still required
Required documents
- RequiredElectrical Permit Application (CommunityCore)Applied for via CommunityCore under the Electrical Only / Service Upgrade / Panel Change Out permit type; no plan upload required for standard scope
- RequiredCity of Northglenn Contractor LicenseRequired for the performing electrical contractor, in addition to any Colorado state licensure
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Electrical Permit — not more than 1,000 sq ft enclosed living area | $115 | City of Northglenn Fees & Taxes page — applies to single-family, multi-family, condominiums, and extensive remodeling/additions |
| Residential Electrical Permit — over 1,000 to 1,500 sq ft | $172.50 | — |
| Residential Electrical Permit — over 1,500 to 2,000 sq ft | $230 | — |
| Residential Electrical Permit — each additional 100 sq ft or fraction thereof above 2,000 sq ft | $11.50 | — |
| Reinspection Fee | $75/hour | — |
Plumbing Permit
VerifiedRequired for plumbing modifications, sump pumps, and lawn sprinkler backflow devices in Northglenn. Governed by the 2021 IPC as locally amended (gas test pressure amended to 10 PSIG, minimum sewer depth amended to 12 inches). Standalone plumbing work is categorized as a 'One-Stop/Quick Permit' in CommunityCore.
Verified 2026-07-05 · Source
Requirements
- Permit required for plumbing modifications and lawn sprinkler installations where a backflow device is installed or replaced
- Sump pumps require a permit
- Water heater installation or replacement requires a permit (listed separately under 'Inside' projects) and is itself categorized as a One-Stop/Quick Permit
- Governed by the 2021 IPC as adopted, with local amendments to gas test pressure (10 PSIG) and minimum sewer depth (12 inches / 305 mm)
- Plumbing Only (commercial and residential) is listed among CommunityCore's One-Stop/Quick Permits
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredPlumbing Permit Application (CommunityCore)Applied for via CommunityCore under Plumbing Only or Water Heater permit types
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building/Plumbing Permit Fee (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No separate flat-fee plumbing schedule was found published; billed under the same Valuation Chart used for building permits generally. City of Northglenn Fees & Taxes page |
| Plan Review Fee | 65% of the permit fee (applies where plan review is required) | — |
| Reinspection Fee | $75/hour | — |
Mechanical / HVAC Permit
VerifiedRequired for furnace, boiler, air conditioning, mini-split, heat pump, and swamp cooler installation or replacement in Northglenn. Governed by the 2021 IMC and IFGC as locally adopted. Most standalone HVAC equipment swaps are categorized as 'One-Stop/Quick Permits' in CommunityCore.
Verified 2026-07-05 · Source
Requirements
- Permit required for: Furnace installation or replacement; Water heater (see plumbing-permit); Boiler installation or replacement; Air conditioning units; Mini-split units; Heat pump units; Evaporator/swamp coolers; Gas logs and gas lines; Fireplaces (wood, pellet, or gas); Electric to gas conversions
- Air Conditioners, Furnaces, and Swamp Coolers are explicitly listed among CommunityCore's One-Stop/Quick Permits
- Governed by the 2021 IMC and IFGC as adopted by the City
- Changing fixtures 'like for like' does not require a permit, but full equipment installation/replacement does
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredMechanical Permit Application (CommunityCore)Applied for via CommunityCore under the applicable One-Stop/Quick Permit type
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building/Mechanical Permit Fee (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No separate flat-fee mechanical schedule was found published; billed under the same Valuation Chart used for building permits generally. City of Northglenn Fees & Taxes page |
| Plan Review Fee | 65% of the permit fee (applies where plan review is required) | — |
| Reinspection Fee | $75/hour | — |
Roofing Permit (Reroof)
VerifiedRequired for re-roofing or roof re-cover work in Northglenn. Governed by 2021 IBC/IRC local roofing provisions. Roofing is categorized as a 'One-Stop/Quick Permit' in CommunityCore, issued same-visit without a plan upload.
Verified 2026-07-05 · Source
Requirements
- Permit required for 're-roofing or roof re-cover,' per the City's 'Do I Need a Permit?' page
- Soffit, fascia, and gutter replacement do NOT require a permit
- Roofs are explicitly listed among CommunityCore's One-Stop/Quick Permits, issued without a plan upload
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredRoofing Permit Application (CommunityCore)Applied for via CommunityCore under the Roofs One-Stop/Quick Permit type
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No separate flat-fee roofing schedule was found published; billed under the same Valuation Chart used for building permits generally |
| Reinspection Fee | $75/hour | — |
Solar PV Permit
VerifiedRequired for solar panel installation in Northglenn. Governed by the 2021 IBC/IRC and 2023 NEC as locally adopted. Unlike most standalone electrical work, PV Systems (commercial and residential) are categorized as a 'Plan Review Permit' in CommunityCore, requiring documents uploaded before submittal.
Verified 2026-07-05 · Source
Requirements
- Solar panels are explicitly listed as requiring a permit on the City's 'Do I Need a Permit?' page
- PV System (Commercial and Residential) is categorized as a CommunityCore 'Plan Review Permit,' requiring plans/documents uploaded to the portal's Documents tab before application submittal — unlike most standalone electrical work, which is a same-visit Quick Permit
- Governed by the 2023 NEC as locally adopted for the electrical scope, and the 2021 IBC/IRC for structural/roof-mounting scope
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredPV System Permit Application (CommunityCore)Plans and supporting documents uploaded to the CommunityCore Documents tab before application submittal, per the Plan Review Permit category
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No solar-specific flat fee was found published; solar systems are billed under the same Valuation Chart as other valuation-based permits, plus the standard 65% Plan Review Fee |
| Plan Review Fee | 65% of the Building Permit Fee | — |
Accessory Dwelling Unit (ADU) Permit
VerifiedRequired for construction of an ADU in Northglenn, governed by a detailed Planning & Development / Building Division joint guidance document covering zoning eligibility, size limits, ownership rules, utility requirements, and building-code-specific ADU provisions under the 2021 IRC/IBC as adopted.
Verified 2026-07-05 · Source
Requirements
- ADUs are permitted in zoning districts RS-1, RS-2, RS-3, RM-1, RM-2, MN, and PD (subject to case-by-case review for PD districts containing multifamily/live-work components); ADUs are generally prohibited in multifamily dwellings or live/work units
- Only one ADU allowed per property
- Size limit: 750 SF for detached ADUs or ADUs added as an addition to the primary structure across all listed zone districts (RS-1/RS-2/RS-3/RM-1/RM-2/MN); ADUs located entirely within the basement of an existing single-family home may exceed 750 SF if fully contained within the primary building footprint
- Height limit 20 ft across all listed zone districts (pitched/gable/hip roofs may extend up to 5 ft above the 20 ft limit if at least 70% of the roof area has a minimum 4:12 pitch)
- Front setback varies by zone: 30 ft (RS-1), 25 ft (RS-2), 15 ft (RS-3, RM-1, RM-2), 5 ft min/15 ft max (MN); side setback 5 ft in all listed zones; rear setback none in RS-1/RS-2/RS-3/RM-1/RM-2, 5 ft in MN (most residential properties also carry a 5 ft rear utility easement)
- Building coverage cap: 40% (RS-1), 60% (RS-2 through MN); rear yard structure coverage cap 30% in all listed zones
- Property owner must reside in either the primary dwelling or the ADU; ADU ownership may never be legally separated from the primary residence/lot
- ADUs used for short-term rentals require the property owner to reside on the property
- ADUs shall not have more than one bedroom
- Separate water and sewer services are NOT permitted for an ADU (must connect to the primary dwelling's systems, with specific routing rules for attached vs. detached ADUs); separate electric and gas metering IS allowed
- Existing building sewer pipes may lack sufficient depth for a detached ADU — a sewage pump or ejector may be required
- One off-street parking space required per ADU, only if additional parking demand is anticipated beyond what the primary residence already provides
- Building permit required for all ADUs; homeowners/architects may initiate the permit but may not perform the work themselves — General Construction, Electrical, Mechanical, and Plumbing contractors must all be listed before issuance
- ADUs must have independent heating and water heaters; may require 1-hour fire-rated separation if adjacent to the primary structure; radon control systems required for new ADUs (existing basement conversions may be exempt); a blower-door (air leakage) test may be required before Certificate of Occupancy
- Modular, manufactured, or tiny-home ADUs must additionally meet Colorado Division of Housing (DOH) certification standards, submitted at time of city permitting
- For detached ADUs, a utility plan showing the water/sewer connection to the primary dwelling is required, including the existing water meter size (contact Utility Billing at 303.450.8770 if unknown); a fixture count of all existing and proposed fixtures (primary residence plus ADU) is required per IRC Table P2903.6, converted to supply demand via Table P2903.6(1)
- Governed by Northglenn UDO Article 11-4, Article 11-6, and Chapter 10 of the Municipal Code
Required documents
- RequiredBuilding Permit Application (CommunityCore)Standard building permit process; General Construction, Electrical, Mechanical, and Plumbing contractors must all be listed before issuance
- RequiredUtility Plan (detached ADUs)Shows water/sewer connection between the primary dwelling's utilities and the detached ADU, including existing water meter size
- RequiredFixture CountCount of all existing and proposed fixtures in the primary residence and ADU per IRC Table P2903.6
- OptionalColorado Division of Housing ApprovalRequired only for modular, manufactured, or tiny-home ADUs — design/construction plans submitted to DOH at time of city permitting
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee (general Valuation Chart) | $23.50 minimum, scaling per the valuation tiers | No ADU-specific fee variance was found published in the ADU Guidance Document or Fees & Taxes page; standard Valuation Chart, 65% Plan Review Fee, and use tax apply |
| Plan Review Fee | 65% of the Building Permit Fee | — |
Demolition Permit
VerifiedRequired for demolition of structures or building interiors in Northglenn, listed under both 'Outside' and 'Inside' categories on the City's 'Do I Need a Permit?' page.
Verified 2026-07-05 · Source
Requirements
- Demolition is listed as requiring a permit under both the Outside and Inside project categories on the City's 'Do I Need a Permit?' page
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredDemolition Permit Application (CommunityCore)Applied for via CommunityCore
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No demolition-specific flat fee was found published (unlike some peer Colorado jurisdictions with a tiered flat demolition fee); billed under the same Valuation Chart as other permits. City of Northglenn Fees & Taxes page |
Fence / Retaining Wall Permit
VerifiedRequired for all fences (only minor picket repair is exempt) and for retaining walls 4 feet or more from the bottom of the footing to the top of the wall in Northglenn.
Verified 2026-07-05 · Source
Requirements
- ALL fences require a permit in Northglenn — only 'Minor fence picket repair' is exempt, per the City's 'Do I Need a Permit?' page (a stricter rule than jurisdictions that exempt fences under a height threshold)
- Retaining walls 4 feet or more from the bottom of the footing to the top of the wall require a permit
- All contractors must hold a current City of Northglenn contractor license
Required documents
- RequiredFence/Wall Permit Application (CommunityCore)Applied for via CommunityCore
- RequiredSite PlanShowing fence/wall location relative to property lines
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (general Valuation Chart) | $23.50 minimum, scaling per valuation tiers | No fence/wall-specific flat fee was found published; billed under the general Valuation Chart |
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.