Longmont building inspections

Verified

Inspection sequence, scheduling, and re-inspection fees for building permits in Longmont, Colorado.

Verified 2026-06-30 · Source

How to schedule

Inspections are requested through the building department below.

Address: 385 Kimbark St., Longmont, CO 80501
Phone: (303) 651-8332
Email: building.inspection@longmontcolorado.gov
Office hours: Mon–Fri, 8 a.m.–5 p.m. (closed Federal holidays, Veterans Day, and the day after Thanksgiving; Building Inspection closed 10–11 a.m. on the 2nd and 4th Thursday for staff training)
Website: Official site

Published scheduling rules

Notify LPC at least 48 hours in advance to schedule any required Disconnect; LPC must receive an approved inspection release from Building Services before a Reconnect can occur; LPC staff perform ALL electric meter sets/removals and service disconnects/reconnects (no exceptions) (EV Charger / Electric Vehicle Charging Station Permit)

Inspection sequence

Applies to: Residential Building Permit (New Construction)

1
Foundation / Footings
Before concrete pour — footings must extend below the 30-inch frost line
2
Framing
After framing complete, before insulation or wall cover
3
MEP Rough-In
Mechanical, electrical, and plumbing rough-in before walls closed
4
Insulation / Energy
Insulation and energy compliance verification before drywall
5
Final
All work complete, ready for Certificate of Occupancy

Applies to: Accessory Dwelling Unit (ADU) Permit

1
Foundation
Footings and foundation before concrete pour — 30-inch frost depth minimum
2
Framing
Structural framing per engineered/stamped plans
3
MEP Rough-In
Mechanical, electrical, plumbing rough-ins before walls closed
4
Final
All work complete per approved plans

Applies to: Residential Addition / Remodel Permit

1
Foundation (if new footings)
Before concrete pour
2
Framing
After framing complete, before insulation or wall cover
3
MEP Rough-In
Electrical, plumbing, mechanical rough-in before walls closed
4
Final
All work complete per approved plans

Applies to: Commercial Tenant Improvement Permit

1
Framing / Structural
After framing complete, before walls covered
2
MEP Rough-In
Mechanical, electrical, plumbing rough-in before walls closed
3
Final
All work complete, ready for Certificate of Occupancy

Applies to: Deck / Covered Patio Permit

1
Footing
Before concrete pour for structural post footings — must extend below 30-inch frost line
2
Framing
Structural framing before decking/cover installed
3
Final
Structure complete per approved plans

Applies to: Plumbing Permit

1
Underground / Under-slab
Before concrete pour — pipe slope, materials, cleanouts
2
Rough-In
After pipes installed, before walls closed
3
Final
All fixtures connected, no leaks, proper venting verified

Applies to: Solar PV Permit

1
Rough Electrical
Conduit runs, wire sizing, disconnect placement before cover
2
Final — Building
Panel mounting, racking attachment, roof penetration sealing, all electrical connections verified
3
LPC Meter Set / Anti-Islanding Test
After final building inspection passes, LPC sets the bi-directional net meter and performs anti-islanding and pre-parallel testing before issuing Permission to Operate (PTO)

Applies to: Electrical Permit

1
Rough-In
Wiring and conduit installed before walls closed
2
Final
All devices installed, panel labeled, system energized; LPC sets/verifies meter

Applies to: Mechanical / HVAC Permit

1
Rough-In / Equipment
Equipment installation and ductwork before walls closed
2
Final
Equipment operational, combustion air and venting verified

Applies to: Roofing Permit (Reroof)

1
Mid-Roof (commercial built-up roofs only)
Required before dry-in and when above-deck insulation or roof sheathing is installed
2
Final
Completed roof — verify flashing, drip edge, underlayment, installation quality

Final inspection only: Demolition Permit, EV Charger / Electric Vehicle Charging Station Permit

Sources & verification

Verified against official sources. Last reviewed 2026-06-30.

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 Longmont building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Longmont building permits

Longmont building permits Residential Building Permit (New Construction)Accessory Dwelling Unit (ADU) Permit Residential Addition / Remodel Permit Commercial Tenant Improvement Permit Deck / Covered Patio Permit Plumbing Permit Solar PV Permit Electrical Permit Mechanical / HVAC Permit Roofing Permit (Reroof)Demolition Permit EV Charger / Electric Vehicle Charging Station Permit

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