This is PermitBase’s published record for Littleton 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 It has since been superseded — see the current record.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.
Littleton building permits
VerifiedLittleton, Colorado — as published 2026-07-06.
Verified 2026-07-05 · Source
Codes adopted
2024 International Building Code (IBC) — City of Littleton Building Codes and Amendments page2024 International Residential Code (IRC)2024 International Energy Conservation Code (IECC)2024 International Existing Building Code (IEBC)2024 International Fuel Gas Code (IFGC)2024 International Mechanical Code (IMC)2024 International Plumbing Code (IPC) — Littleton uses the International Plumbing Code, not the Uniform Plumbing Code2024 International Property Maintenance Code (IPMC)2024 International Swimming Pool and Spa Code (ISPSC)2024 International Wildland-Urban Interface Code (IWUIC)2024 International Fire Code (IFC)ICC A117.1-2017 Standard with Supplement 1 — Accessible and Usable Buildings and FacilitiesNFPA 70 National Electrical Code, 2026 Edition ("2026 NEC")1997 Uniform Code for the Abatement of Dangerous Buildings (International Conference of Building Officials)Colorado Model Electric Ready and Solar Ready Code, adopted by the Colorado Department of Local Affairs and Colorado Energy Office effective June 1, 2023Littleton City Code Title 4, Chapter 1 — local IRC amendments including adopted Climatic and Geographic Design Criteria (Table R301.2): Ground Snow Load 40 psf (non-reducible), Ultimate Design Wind Speed 136 mphLittleton City Code Title 3, Chapter 16 — Contractor Licensing (license/registration required to obtain permits within city limits, effective July 1, 1985)
Permit types & fees
Residential Building Permit (New Single-Family, Townhouse, Two-Family Dwelling)
VerifiedRequired for new single-family homes, townhouses, and two-family dwellings within Littleton. Reviewed under the 2024 IRC/IBC as locally amended, plus Littleton's adopted structural design criteria (ground snow load, wind speed) under City Code Title 4, Chapter 1. Issued and inspected by the City of Littleton Building and Code Compliance Division.
Verified 2026-07-05 · Source
Requirements
- Plans must comply with the 2024 IRC/IBC as adopted by the City of Littleton
- Must meet Littleton's adopted Climatic and Geographic Design Criteria (City Code Title 4, Ch. 1 amending IRC Table R301.2): Ground Snow Load 40 psf (non-reducible), Ultimate Design Wind Speed 136 mph
- Structural plans must be stamped and signed by a Licensed Colorado Structural Engineer; architectural plans must be stamped and signed by a Colorado Design Professional
- Site plan required showing dimensions to property lines, all easements, and existing/proposed structures with a landscaping plan
- Energy Conservation Code compliance required via one of: Prescriptive R-Value/U-Factor, Prescriptive Component Performance Alternative, Simulated Building Performance, or Energy Rating Index
- All contractors working on the project must hold a current City of Littleton Contractor's License and be identified on the permit
- All documents must be submitted electronically via the eTRAKiT portal; 'preliminary' or 'not for construction' plan sets are not accepted
- Permit must be commenced within 180 days and expires 365 days after issuance unless extended by the Building Official
Required documents
- RequiredBuilding Permit Application (eTRAKiT Online System)Submitted electronically through the City's eTRAKiT portal
- RequiredStructural Plans (stamped)Stamped/signed by a Licensed Colorado Structural Engineer; footings, column pads, piers, caissons, grade beams, foundation walls, floor/roof framing plans, and complete structural design criteria
- RequiredArchitectural Plans (stamped)Stamped/signed by a Colorado Design Professional; dimensioned floor layout, roof plan, reflected ceiling plan, exterior elevations, wall sections, stair geometry
- RequiredSite PlanNorth arrow, dimensions to property lines, easements, existing/proposed structures, landscaping plan
- RequiredElectrical, Mechanical, and Plumbing PlansNot required to be stamped; must show service equipment/panel locations, HVAC equipment, Manual J/D/S calculations, plumbing fixture layout and supply/discharge line sizing
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — valuation $1 to $500.00 | $25.85 | Per Resolution 2025-105 (approved by City Council Dec. 21, 2025), the City's current published fee schedule |
| Building Permit Fee — valuation $500.01 to $2,000.00 | $25.85 for the first $500 plus $3.35 for each additional $100 or fraction thereof, to and including $2,000.00 | — |
| Building Permit Fee — valuation $2,000.01 to $25,000.00 | $76.17 for the first $2,000 plus $15.40 for each additional $1,000 or fraction thereof, to and including $25,000.00 | — |
| Building Permit Fee — valuation $25,000.01 to $50,000.00 | $430.37 for the first $25,000 plus $11.11 for each additional $1,000 or fraction thereof, to and including $50,000.00 | — |
| Building Permit Fee — valuation $50,000.01 to $100,000.00 | $708.12 for the first $50,000 plus $7.70 for each additional $1,000 or fraction thereof, to and including $100,000.00 | — |
| Building Permit Fee — valuation $100,000.01 to $500,000.00 | $1,093.12 for the first $100,000 plus $6.16 for each additional $1,000 or fraction thereof, to and including $500,000 | — |
| Building Permit Fee — valuation $500,000.01 to $1,000,000.00 | $3,557.12 for the first $500,000 plus $5.23 for each additional $1,000 or fraction thereof, to and including $1,000,000 | — |
| Building Permit Fee — valuation greater than $1,000,000.00 | $6,172.12 for the first $1,000,000 plus $4.02 for each additional $1,000 or fraction thereof | — |
| Plan Review Fee | 65% of the Permit Fee | Only applicable when blueprints/construction documents are reviewed for municipal and adopted building codes |
| City of Littleton Use Tax Deposit | 0.01969 x Total Job Valuation, i.e. (Total Job Valuation x 52.5%) x 3.75% | City Code Title 3-9-3-5 sets the sales/use tax rate at 3.75% |
| Arapahoe County Open Space Tax | 0.00125 x Total Valuation, i.e. (Total Job Valuation x 50%) x 0.25% | — |
| Master Plan subsequent-permit fee (single-family detached residential projects) | $350 | — |
Residential Addition / Remodel Permit
VerifiedRequired for room additions, basement finishes, and structural modifications to existing residential dwellings in Littleton. Reviewed under the 2024 IRC as locally amended, using the City's Residential Remodel submittal track (distinct from the New SFD/Addition/ADU track for ground-up structural work).
Verified 2026-07-05 · Source
Requirements
- Applicable codes must be notated on plans; 'preliminary' or 'not for construction' plans are not accepted
- Existing and proposed floor plans required, including north arrow, room use/size, ceiling heights, door/window sizes and locations, stairway rise/run/handrail/headroom details
- Any alteration of foundation or structural components requires a plan/detailed drawing stamped by a structural engineer at time of application; the engineer of record (or representative) must inspect and verify the alteration prior to final Building Division approval
- Basement finishes must show beam/ductwork locations and finished-floor-to-beam/ductwork clearance heights
- Electrical plans must show receptacles, switches, lighting, smoke alarms, ventilation fans, and service size/location
- Manual J, S, and D calculations required if the heating system is replaced or ductwork is replaced/relocated/altered
- IECC compliance documentation may be required depending on scope (thermal envelope, mechanical, or electrical system impact)
- All documents submitted electronically via eTRAKiT
Required documents
- RequiredBuilding Permit Application (eTRAKiT Online System)Submitted electronically
- RequiredExisting and Proposed Floor PlansNorth arrow, room dimensions/use, ceiling heights, framing member sizes/spans/spacing
- OptionalStructural Engineer Stamped Plan (if applicable)Required for any foundation or structural alteration
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee (same valuation-based table as new construction) | $25.85 minimum, scaling per the valuation tiers in the Permit Fee Schedule (Resolution 2025-105) | — |
| Plan Review Fee | 65% of the Permit Fee | — |
| City Use Tax Deposit | 0.01969 x Total Job Valuation | — |
| Arapahoe County Open Space Tax | 0.00125 x Total Valuation | — |
Electrical Permit
VerifiedRequired for installation, alteration, or repair of electrical systems in Littleton. Governed by NFPA 70 National Electrical Code, 2026 Edition, as locally adopted. Electrical contractors must hold an active Colorado DORA Master's/Journeyman's license AND State Contractor's License, in addition to a City of Littleton Contractor's License.
Verified 2026-07-05 · Source
Requirements
- Permit required for any work to erect, install, enlarge, alter, repair, remove, convert, or replace an electrical system, per the City's Building Permit FAQ
- Contractors must hold proof of an active State of Colorado Master's/Journeyman's License AND State of Colorado Contractor's License, matching current DORA record
- Contractors must also hold a current City of Littleton Contractor's License (City Code Title 3, Chapter 16), required since July 1, 1985
- Governed by the 2026 NEC as adopted
- All documents submitted electronically via eTRAKiT
Required documents
- RequiredElectrical Permit Application (eTRAKiT Online System)Apply via eTRAKiT under the electrical permit type
- RequiredProof of Colorado DORA Master's/Journeyman's License and State Contractor's License
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | — |
| Plan Review Fee | 65% of the permit fee, applicable only when plans are reviewed for code compliance | — |
| Re-inspection Fee | $80/hour | — |
Plumbing Permit
VerifiedRequired for installation, alteration, or repair of plumbing systems in Littleton. Governed by the 2024 International Plumbing Code (IPC), not the Uniform Plumbing Code. Plumbing contractors must hold an active Colorado DORA Master's/Journeyman's license AND State Contractor's License, in addition to a City of Littleton Contractor's License.
Verified 2026-07-05 · Source
Requirements
- Permit required for plumbing system installation, alteration, or repair, per the City's Building Permit FAQ
- Littleton uses the 2024 IPC, not the UPC
- Contractors must hold proof of active Colorado DORA Master's/Journeyman's License and State Contractor's License matching current DORA record, plus a City of Littleton Contractor's License
- Gas piping submittals require isometric drawings showing incoming pressure/pressure drop, BTU demand per appliance, pipe material/diameter/length, shutoff valve locations, and burial depth; pressure test at minimum 10 psig for a minimum 15 minutes
Required documents
- RequiredPlumbing Permit Application (eTRAKiT Online System)Apply via eTRAKiT under the plumbing permit type
- OptionalGas Pipe Isometric Drawing (if gas piping involved)Required per the Residential Gas Line Submittal Requirements
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | — |
| Plan Review Fee | 65% of the permit fee, applicable only when plans are reviewed for code compliance | — |
Mechanical / HVAC Permit
VerifiedRequired for heating, ventilation, air conditioning, and fuel-gas equipment installation or replacement in Littleton. Governed by the 2024 International Mechanical Code (IMC) and 2024 International Fuel Gas Code (IFGC) as locally adopted.
Verified 2026-07-05 · Source
Requirements
- Permit required for installation, alteration, or replacement of mechanical/gas systems, per the City's Building Permit FAQ
- Governed by the 2024 IMC and 2024 IFGC as adopted
- Manual J, Manual D, and S calculations required (legible) if the heating system or ductwork is being installed, replaced, relocated, or altered
- Contractors must hold applicable state licensure (Class D-11 HVAC/Mechanical ICC exam where required) plus a City of Littleton Contractor's License
Required documents
- RequiredMechanical Permit Application (eTRAKiT Online System)Apply via eTRAKiT under the mechanical permit type
- OptionalManual J/D/S CalculationsRequired for heating system or ductwork replacement/relocation/alteration
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | — |
| Plan Review Fee | 65% of the permit fee, applicable only when plans are reviewed for code compliance | — |
Roofing Permit (Reroof)
VerifiedRequired for roof covering replacement or overlay exceeding one square (100 sq ft) aggregate area in Littleton. Governed by detailed City Roof Covering Installation and Inspection Requirements Policy #24-001 (5th Revision, 5/21/2026), including mandatory full tear-off, wind/snow-rated material requirements, and a defined roof-repair-vs-replacement threshold.
Verified 2026-07-05 · Source
Requirements
- A permit is required for replacement/removal of more than one square (100 sq ft aggregate) of existing roof covering; equal to or less than one square is deemed 'roof repair' and does not require replacement of the entire roof (Policy #24-001, Section 3)
- Littleton REQUIRES FULL TEAR-OFF TO DECK for asphalt, metal, or clay/concrete tile roofs — no overlays are accepted on those materials (Policy #24-001, Section 1.1); membrane-type roof overlays ARE permitted under Section 2, but mineral-surfaced roll roofing is NOT permitted anywhere in the City
- Roofing materials must be listed/rated for the City's adopted design criteria (Ground Snow Load 40 psf non-reducible, Ultimate Design Wind Speed 136 mph): Asphalt shingles ASTM D7158 Class H (up to 150 mph); Metal roofing UL 580/ASTM E1592 (150+ mph); Clay/concrete tile ASTM C1167 (150+ mph, high-wind install)
- Manufacturer's specifications demonstrating wind-load compliance must be submitted at permit intake; permits will not be accepted without this documentation
- Ice and water barrier underlayment (ASTM D1970) required at eaves of all conditioned structures, extending minimum 2 feet inside the exterior wall line; valley treatment per Policy #24-001 Section 1.4
- Asphalt shingles must comply with 2024 IRC Section R905.2.4 / ASTM D3462, nailed with minimum 6 nails per shingle; may not be installed below 2/12 pitch; double underlayment or ice/water barrier required between 2/12 and 4/12 pitch
- Roof decks with spaced/board sheathing having gaps exceeding 1/2 inch must be overlaid or replaced with minimum 3/8-inch panel sheathing; a Building Division sheathing-fastening inspection is required before underlayment/covering installation
- If City records indicate an existing photovoltaic (solar) system, roof permit issuance is delayed until a City-licensed solar contractor has obtained a separate permit to remove/replace the solar assembly (Policy #24-001, Section 4)
- Permit must be displayed in a location visible from the street prior to work commencement
Required documents
- RequiredRoofing Permit Application (eTRAKiT Online System)Apply via eTRAKiT under the roofing permit type
- RequiredManufacturer's Wind/Snow-Load Compliance SpecificationsRequired at permit intake per Policy #24-001; permits will not be accepted without this documentation
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | — |
| Re-inspection Fee | $80/hour | Applies if a required inspection (e.g., final roof) cannot be completed due to missing ladder access or other unmet requirements |
Residential Rooftop Solar (PV) and Energy Storage System (ESS) Permit
VerifiedRequired for installation of residential photovoltaic (PV) systems and energy storage systems (ESS) in Littleton. Governed by detailed City-published design/submittal requirements referencing UL/NEC standards, distinct from and more detailed than many peer Colorado jurisdictions' solar guidance.
Verified 2026-07-05 · Source
Requirements
- Applies only to residential PV and ESS installations administered by the Building and Code Compliance Division; other City departments or outside authorities may require additional permits/approvals
- For townhouses/multi-family buildings, PV panels, pathways, and setbacks must be restricted to the roof area allocated to the individual dwelling unit — cannot use a neighboring unit's rooftop as required pathway space
- PV panels/modules must be listed/labeled per UL 1703 or both UL 61730-1 and UL 61730-2; inverters listed/labeled per UL 1741; grid-tied systems must use inverters listed for utility interaction
- Exposed grounding conductors on the roof must be 6 AWG copper or larger (NEC 250.120(C)); a single-rod/pipe/plate grounding electrode requires a supplemental electrode spaced at least 6 feet apart (IRC E3608.4)
- ESS must be listed/labeled per UL 9540 and installed per IRC R328.4, the NEC, and Littleton amendments; restricted to specific locations (detached garages/accessory structures, separated attached garages, exterior walls 3+ feet from doors/windows, or enclosed utility spaces with fire-rated finishes) and prohibited in sleeping rooms/closets
- ESS installed inside dwelling units, basements, or attached garages must have interconnected smoke alarms or heat detectors
- A digitally stamped/signed structural engineer letter is required confirming the existing structure and proposed PV system have been evaluated against Littleton's design criteria
- All electrical design sheets must be digitally stamped/signed by a State of Colorado-registered Electrical Engineer
- Contractors and installers must be licensed to perform PV and electrical work within the City of Littleton
- Only 25% of panels may be installed prior to rough frame and rough electrical inspection
Required documents
- RequiredBuilding Permit Application (eTRAKiT Online System)Apply via eTRAKiT for the residential PV/ESS permit type
- RequiredStamped Structural Engineer LetterConfirms structural evaluation of existing roof/structure for the proposed PV system per Littleton design criteria
- RequiredStamped Electrical Design SheetsCover sheet, dimensioned site plan, one/three-line diagrams, roof attachment diagram, required warning labels, NEC compliance calculations — stamped by a Colorado-registered Electrical Engineer
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | No separate solar-specific flat fee is published; billed under the general Permit Fee Schedule |
Demolition Permit
VerifiedRequired for demolition of structures in Littleton. Requires Colorado State Demolition Approval notice, a detailed site plan, a separate grading permit, and coordination with utility disconnection (including Denver Water approval for water service).
Verified 2026-07-05 · Source
Requirements
- Colorado State Demolition Approval notice required for each structure being demolished; Asbestos Abatement Report should be provided if available (see the City's published asbestos information sheet)
- Site plan required indicating: structure(s) to be demolished, square footage of each structure, floodplain status if applicable, utility disconnects, utility tie-ins, utility ownership, and area of disturbance
- A SEPARATE Grading Permit is required in addition to the demolition permit
- A debris hauling map or turn-by-turn written instructions indicating the shortest route to the nearest state highway from the demolition address must be provided
- All utilities must be disconnected prior to demolition
- Proof of Denver Water approval for water service disconnect required (obtained by emailing Denver Water directly)
Required documents
- RequiredDemolition Permit Application (eTRAKiT Online System)Apply via eTRAKiT under the demolition permit type
- RequiredColorado State Demolition Approval Notice
- RequiredSite PlanStructures to be demolished, square footage, floodplain status, utility disconnects/tie-ins/ownership, area of disturbance
- OptionalAsbestos Abatement ReportProvide if available; see City's published asbestos information sheet (BuildingCDPHEAsbestosSheet.pdf)
- RequiredDebris Hauling Route MapShortest route to the nearest state highway from the demolition address
- RequiredDenver Water ApprovalProof of approval for water service disconnect
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit fee — valuation-based (Permit Fee Schedule, Resolution 2025-105) | $25.85 minimum, scaling per valuation tiers | No demolition-specific flat fee is published separately; a separate Grading Permit fee also applies |
Fence Permit
VerifiedRequired for ALL fences in Littleton — a stricter baseline than jurisdictions that exempt low fences. Detailed height/construction rules differ by front yard, side yard, rear yard, and pool-enclosure context; flat $100 fee.
Verified 2026-07-05 · Source
Requirements
- ALL fences require a building permit in Littleton — there is no height-based exemption
- In all residential districts, swimming/wading pools 24+ inches deep must be fully enclosed by a fence at least 48 inches high, constructed to prohibit entry
- Fences must be separated from sidewalks and public right-of-way by a minimum of 2 feet
- Fences over 7 feet tall require stamped engineered drawings
- Front Yards: maximum height 48 inches; construction must be at least 50% open (interior lot) or 75% open (corner lot)
- Side Yards: maximum height 6 feet (may be 100% solid); any fence over 6 feet requires a variance from the Board of Adjustment
- Rear Yards: maximum height 6 feet (may be 100% solid); any fence over 6 feet requires a variance from the Board of Adjustment
- All fences must meet sight-triangle/sight-distance requirements
- Governed by Littleton Land Use Code Section 10-1-1.6C.D.2
- Applicant must call the Utility Notification Center of Colorado (1-800-922-1987) at least two business days before digging post holes
Required documents
- RequiredFence Permit Application (eTRAKiT Online System)Submitted via eTRAKiT
- RequiredDetailed Site PlanFence placement relative to property lines and house, fence height, linear feet, elevations, north arrow, post depth, and material type; may be hand-drawn if legible and to scale
- OptionalStamped Engineered DrawingsRequired only for fences over 7 feet tall
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Fence Permit | $100 | Flat fee per the Permit Fee Schedule (Resolution 2025-105) |
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 Littleton building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.