Solar PV Permit in Estes Park, Colorado

Estes Park requires a solar pv permit for: The photovoltaic installation company should be licensed as an electrician; a permit will not be issued without a licensed electrician indicated on the permit; General permit application must specify project valuation split between general (racking/mounting/structural modifications) and electrical (panels/equipment/wiring) components; Site plan showing PV array location(s), combiner/junction boxes, disconnects, inverters, meter/service panel tie-in locations, structure footprint and property-line relation, roof plan with B-vents/attic vents/plumbing vents; Manufacturer's specification sheets for PV panels and inverter; Complete 3-line electrical diagram with system size, module/array specs, string counts and fuse ratings, conductor sizing, grounding, overcurrent protection/disconnects, inverter specs, and grid interconnection details; Mounting/racking system details including manufacturer specs with uplift capacity meeting Town design criteria, attachment details, and a Colorado-stamped engineer's verification letter for custom racking; Structural information: roof framing member size/type/spacing, sheathing type/thickness, roofing material layers, and any modifications for additional dead load; Rooftop-mounted PV panel systems must be tested, listed, and identified with a fire classification per UL 2703, installed per the manufacturer's listing; Contractor is responsible for calling for final inspection when installation is complete; one full-size color copy of approved plans must remain on the jobsite through final inspection; The Town's Building Division does not handle the AC-side electrical permit — apply separately with the State of Colorado Electrical Board. If your project isn't listed, confirm with Town of Estes Park Community Development Department — Division of Building Safety (administered by SAFEbuilt Colorado) at (970) 577-3735 before starting work.

In Estes Park, the published Permit fee — valuation-based (Table 1-A), split between general and electrical components as declared on the application is: $23.50 minimum, scaling per valuation tiers. Additional published fees: Plan Review Fee — 50% of the permit fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Estes Park does not publish a plan-review timeline for this permit. Contact Town of Estes Park Community Development Department — Division of Building Safety (administered by SAFEbuilt Colorado) at (970) 577-3735 for current turnaround.

You'll need: Photovoltaic Permit Application (Community Core); Site plan with equipment locations; Manufacturer specification sheets (panels and inverter); 3-line electrical diagram. Depending on your project, Estes Park may also ask for: Colorado-stamped engineer's letter for custom racking. See the required-documents checklist on this page for details on each.

Estes Park requires 2 inspection(s) for a solar pv permit, in order: Structural/Mounting Inspection, Final Building Inspection. Schedule each through Town of Estes Park Community Development Department — Division of Building Safety (administered by SAFEbuilt Colorado) ((970) 577-3735).

Apply through Town of Estes Park Community Development Department — Division of Building Safety (administered by SAFEbuilt Colorado) at 170 MacGregor Avenue, Room 230, PO Box 1200, Estes Park, CO 80517. Phone: (970) 577-3735, email: building@estes.org. Office hours: Monday-Friday 8:00am-4:00pm, second floor of Town Hall. Official information: https://estespark.colorado.gov/building-safety.

Estes Park, Colorado has adopted: 2021 International Building Code (IBC), effective January 1, 2024, adopted by reference with local amendments — Estes Park Municipal Code Section 14.12.010 (originally adopted as Exhibit A to Ordinance 04-23); includes all secondary codes listed in IBC Section 101.4 EXCEPT that subsection 101.4.5 (fire code) is stricken, because fire code is adopted separately by the Estes Valley Fire Protection District; 2021 International Residential Code (IRC), effective January 1, 2024, adopted by reference with local amendments at Municipal Code Sections 14.12.070 and 14.12.080 (originally Exhibits B and C to Ordinance 04-23); 2021 International Swimming Pool and Spa Code, adopted by reference with amendments at Section 14.12.060 (Ordinance 04-23); International Property Maintenance Code — adopted only as to Chapters 1 and 2; all other chapters stricken by local amendment (Municipal Code Section 14.12.030); 2021 International Energy Conservation Code (IECC), amended to incorporate the Colorado Model Electric Ready and Solar Ready Code (Municipal Code Section 14.12.040, Exhibit D to Ordinance 04-23); 2021 International Plumbing Code — applies to installation/alteration/repair/replacement of plumbing systems including medical gas systems (Municipal Code Section 14.12.060, amending IBC 101.4.3); on-site wastewater treatment (septic) systems instead governed by the Town's On-Site Wastewater Treatment System Regulations, enforced by the Larimer County Department of Health and Environment; Local structural design criteria (Municipal Code Section 14.12.060, amending IBC Chapter 16): ground snow load table by elevation — 35 psf up to 5,000 ft, 45 psf to 6,000 ft, 50 psf to 6,500 ft, 60 psf to 7,000 ft, 70 psf to 8,000 ft, 100 psf to 9,000 ft, 140 psf to 10,000 ft (linear interpolation permitted between tabulated values; above 10,000 ft governed by the Colorado Design Snow Loads Report and Map, SEAoC, dated May 6, 2015); final design roof snow load never less than 30 psf uniformly distributed (greenhouses may take full ASCE 7 load reductions); basic design wind speed per the Colorado Front Range Gust Map (SEAoC, dated November 18, 2013) or the Larimer County Basic Design Wind Speed Map, Exposure Category C unless a design professional justifies otherwise; Frost protection (Municipal Code Section 14.12.060, amending IBC 1809.5): foundations must extend a minimum of 30 inches below grade, be designed per ASCE 32, or be erected on solid rock; shallow foundations may not bear on frozen soil; a narrow exception exists for small (600 sq ft light-frame / 400 sq ft other) Risk Category I free-standing buildings with 10-foot or lower eave height; Roof covering / wildfire hardening (Municipal Code Section 14.12.060, amending IBC 1505.1): roofs generally required to be Class A (tested per ASTM E108 or UL 790); a Class B/C exception exists only for limited additions to certain existing R-3/U buildings meeting setback distances, but ANY roof covering located in the Town's mapped Wildfire Hazard Area must be minimum Class B (Class C permitted outside that area for the limited exception scenario); rooftop PV systems must be listed/tested per UL 2703; an ice barrier (two layers of cemented underlayment, or a self-adhering polymer-modified bitumen sheet) is required at eaves, extending at least 24 inches inside the exterior wall line, except on unconditioned detached accessory structures; Radon-resistant construction (Municipal Code Section 14.12.060, adding IBC 1811): required for new I-1, I-2 nursing home, R-2, R-3, and R-4 occupancies per IRC Appendix AF as locally amended; Fireplace restrictions (Municipal Code Section 14.12.060, adding IBC 2111.15): fireplaces within the mapped 'Restricted Area' (Larimer County Fireplace Area Map) must be gas or gas-log, or otherwise meet the Town's factory-built-fireplace/EPA-certified-appliance criteria — verify against the current map and Building Division before assuming an open-hearth wood fireplace is permissible; 2017 local amendments to the International Residential Code specific to Vacation Homes (short-term rentals), IRC Section R327, effective July 1, 2017 — codified at Estes Park Municipal Code Section 14.12.080; Full local amendment text hosted at Estes Park Municipal Code Title 14 (Buildings and Construction), Chapter 14.12 — library.municode.com/co/estes_park. Local amendments apply — see the Estes Park overview page for the full list.

The Town's PV permit covers the structural/mounting and general installation aspects, but AC-side electrical work still requires a separate permit from the State of Colorado Electrical Board — the Town does not issue or inspect electrical permits for any project type, including solar.