Louisville building inspections

Verified

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

Verified 2026-07-05 · Source

How to schedule

Inspections are requested through the building department below.

Address: City Hall, 749 Main St, Louisville, CO 80027
Phone: (303) 335-4584
Email: building@louisvilleco.gov
Office hours: Monday-Thursday 8AM-4PM (in-person; remote 4PM-5PM); Friday 8AM-5PM remote/by appointment only; Tuesday 11AM-12PM limited staff availability (staff meeting). Inspection hours Monday-Friday 6:30AM-5PM.
Website: Official site

Inspection sequence

Applies to: Residential Building Permit (New Construction)

1
Foundation / Footing
Before concrete pour
2
Rough Frame
Framing, sub-flooring, and stairs complete before cover
3
Rough Plumbing / Rough Electrical / Rough Mechanical
Trade rough-ins requested via the CSS portal before concealment
4
Building Final
All work complete per approved plans; Certificate of Occupancy/Completion reviewed by staff within 3 business days of a passed Building Final

Applies to: Accessory Dwelling Unit (ADU) Permit

1
Foundation
Before concrete pour (new detached ADU)
2
Rough Frame / Rough Plumbing / Rough Electrical / Rough Mechanical
Trade rough-ins before concealment
3
Building Final
All work complete; occupancy and utility-connection compliance confirmed

Applies to: Residential Addition / Remodel Permit

1
Foundation (if new footings)
Before concrete pour
2
Rough Frame / Rough Plumbing / Rough Electrical / Rough Mechanical
Trade rough-ins before concealment
3
Building Final
All work complete per approved plans

Applies to: Solar PV Permit (Roof Top Unit/Solar/Telecommunication)

1
Rough Electrical
Conduit runs, wire sizing, and disconnect placement before cover, requested via the CSS portal
2
Building Final (racking/structural)
Racking, roof penetrations, and structural attachment verified against approved plans
3
Final Electrical
System energized and verified; devices installed and labeled per the 2023 NEC

Applies to: Electrical Permit

1
Rough Electrical
Requested via the CSS portal once wiring and panel are installed, before concealment
2
Final Inspection
Devices installed, panel labeled, system energized and verified

Applies to: Mechanical / HVAC Permit

1
Rough Mechanical
Ductwork, flues, and equipment installed but not yet concealed
2
Final Inspection
Equipment operational, combustion air and venting verified

Applies to: Plumbing Permit

1
Rough Plumbing
Requested via the CSS portal after pipes are installed, before concealment
2
Final Inspection
Fixtures connected, no leaks, proper venting verified

Final inspection only: Demolition Permit, EV Charger / Electric Vehicle Charging Station Permit, Fence / Retaining Wall Permit, Roofing Permit (Re-Roof)

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

Louisville building permits

Louisville building permits Residential Building Permit (New Construction)Accessory Dwelling Unit (ADU) Permit Residential Addition / Remodel Permit Solar PV Permit (Roof Top Unit/Solar/Telecommunication)Electrical Permit Mechanical / HVAC Permit Plumbing Permit Demolition Permit EV Charger / Electric Vehicle Charging Station Permit Fence / Retaining Wall Permit Roofing Permit (Re-Roof)

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