Residential Addition / Remodel / Accessory Structure Permit in Montrose, Colorado

Montrose requires a residential addition / remodel / accessory structure permit for: Site-Specific Stamped Engineered Foundation required for accessory structures 500 square feet and larger (engineer must be Colorado-registered, plan must bear stamp and wet signature); Construction documents: floor framing; complete dimensioned floor plan with window and door schedule; roof framing; cross section from bottom of footers through roof peak; two elevation views; plot plan showing lot dimensions and distances from property lines to structures; Completed Application for Building Permit required in addition to the construction-document package; Accessory buildings with a water closet are assessed unit charges for water and sewer; a Public-Works-certified contractor must install any E-1 pumps; Structures with a door opening greater than 6 feet wide are considered vehicle-capable and require a hard-surfaced driveway; one driveway per lot, minimum 12 feet wide; Call 811 or (800) 922-1987 for utility line locates before building over a natural gas service lateral; Investigation fee imposed if construction commences before the permit is issued (amount not published). If your project isn't listed, confirm with City of Montrose Building Services (Community Development / Planning Services) at 970-252-4707 before starting work.

In Montrose, the published Building Permit Fee (valuation-based) is: Not resolved — same genuinely-unpublished Sec. 3-1-1 fee schedule gap documented on the residential-building-permit entry; the City's Accessory Use Structure Construction packet does not itself state a fee amount. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Montrose does not publish a plan-review timeline for this permit. Contact City of Montrose Building Services (Community Development / Planning Services) at 970-252-4707 for current turnaround.

You'll need: Residential/Accessory Building Permit Application; Plot Plan. Depending on your project, Montrose may also ask for: Site-Specific Stamped Engineered Foundation Plan. See the required-documents checklist on this page for details on each.

Montrose requires 8 inspection(s) for a residential addition / remodel / accessory structure permit, in order: Foundation / Setback, Rough Plumbing, Gas Inspection, Framing, Electrical (State), Insulation, Wallboard, Final Inspection. Schedule each through City of Montrose Building Services (Community Development / Planning Services) (970-252-4707).

Apply through City of Montrose Building Services (Community Development / Planning Services) at City Hall, 400 E Main Street, P.O. Box 790, Montrose, CO 81402. Phone: 970-252-4707, email: buildingservices@ci.montrose.co.us (permit application submittal); permits@cityofmontrose.us (per search-indexed contact for Building Inspector Timothy Mazur; not independently re-verified against a live City page in this session). Office hours: Monday - Thursday, 8 a.m. - 6 p.m. (City Hall hours, per Building Services page). Inspection scheduling: 970-240-1445, inspection hours 9:00-11:00 a.m. and 1:30-3:30 p.m., with 24-hour advance notice required per the City's Residential/Accessory/Commercial Construction packets.. Official information: https://www.cityofmontrose.org/270/Building-Services.

Montrose, Colorado has adopted: 2018 International Building Code (IBC) — City of Montrose Building Services page, adopted per Section 4-1-1 of the City of Montrose Municipal Code; 2018 International Residential Code (IRC); 2018 International Fuel Gas Code (IFGC); 2018 International Uniform/Mechanical Code (IMC) (City page lists this as '2018 International Uniform/Mechanical Code'); 2018 International Uniform/Plumbing Code (IPC) (City page lists this as '2018 International Uniform/Plumbing Code'); 2018 International Energy Conservation Code (IECC); 2023 National Electrical Code (NEC) — note: electrical permitting and inspection itself is performed by the State of Colorado Electrical Board (DORA), not the City, per the City's own Residential/Accessory/Commercial Construction and Solar Permit packets; Deletions, modifications, and exceptions to the above codes are codified in Section 4-1-3 of the City of Montrose Municipal Code; full building regulations are in Title IV (Chapter 1 - Building Regulations, Chapter 4-9 - Housing Code, Chapter 11-13 - Mobile Home/Travel Home/Tiny Home Regulations, Chapter 11-9 - Outdoor Lighting, Section 4-1-4 - Plumbers and Gasfitters Licenses, Section 4-1-11 - Supplemental Building/Structure/Fence Requirements), per the City of Montrose Municipal Code as indexed on the Building Services page; The City references a forthcoming Colorado Wildfire Resiliency Code page (linked from the Building Services page) but the Building Services page itself does not state an adoption/enforcement date for Montrose specifically in the content retrieved this session; not asserted as adopted here without that confirmation — see tipsAndGotchas. Local amendments apply — see the Montrose overview page for the full list.

Only if the structure is 500 square feet or larger. The City's Accessory Use Structure Construction packet requires a site-specific stamped engineered foundation plan (by a Colorado-registered engineer) at that size threshold.