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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. 1

    Foundation / Footing

    Before concrete pour

  2. 2

    Rough Frame

    Framing, sub-flooring, and stairs complete before cover

  3. 3

    Rough Plumbing / Rough Electrical / Rough Mechanical

    Trade rough-ins requested via the CSS portal before concealment

  4. 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. 1

    Foundation

    Before concrete pour (new detached ADU)

  2. 2

    Rough Frame / Rough Plumbing / Rough Electrical / Rough Mechanical

    Trade rough-ins before concealment

  3. 3

    Building Final

    All work complete; occupancy and utility-connection compliance confirmed

Applies to: Commercial Building Permit (New Building / Core & Shell / Addition)

  1. 1

    Footing / Foundation

    Before concrete pour; 'Commercial: Footing/Foundation' is also available as its own early-start permit type

  2. 2

    Rough Frame / Rough Electrical / Rough Mechanical / Rough Plumbing

    Trade rough-ins before concealment; each permit's required inspection list is published under the Required Inspections section of that permit in the CSS portal, and inspections are requested there (4PM cutoff for next-business-day scheduling)

  3. 3

    Building Final

    All work complete per approved plans; the Certificate of Occupancy/Completion is reviewed by staff within 3 business days of a passed Building Final

Applies to: Residential Addition / Remodel Permit

  1. 1

    Foundation (if new footings)

    Before concrete pour

  2. 2

    Rough Frame / Rough Plumbing / Rough Electrical / Rough Mechanical

    Trade rough-ins before concealment

  3. 3

    Building Final

    All work complete per approved plans

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

  1. 1

    Rough Electrical

    Conduit runs, wire sizing, and disconnect placement before cover, requested via the CSS portal

  2. 2

    Building Final (racking/structural)

    Racking, roof penetrations, and structural attachment verified against approved plans

  3. 3

    Final Electrical

    System energized and verified; devices installed and labeled per the 2023 NEC

Applies to: Commercial Tenant Improvement / Tenant Finish Permit

  1. 1

    Rough Electrical / Rough Mechanical / Rough Plumbing / Rough Frame

    Trade rough-ins before concealment; each permit's specific required inspections are published under the Required Inspections section of the permit record in the CSS portal (4PM cutoff for next-business-day scheduling)

  2. 2

    Building Final

    All work complete per approved plans; the Certificate of Occupancy/Completion is reviewed by staff within 3 business days of a passed Building Final (Temporary CO available for $175)

Applies to: Electrical Permit

  1. 1

    Rough Electrical

    Requested via the CSS portal once wiring and panel are installed, before concealment

  2. 2

    Final Inspection

    Devices installed, panel labeled, system energized and verified

Applies to: Mechanical / HVAC Permit

  1. 1

    Rough Mechanical

    Ductwork, flues, and equipment installed but not yet concealed

  2. 2

    Final Inspection

    Equipment operational, combustion air and venting verified

Applies to: Plumbing Permit

  1. 1

    Rough Plumbing

    Requested via the CSS portal after pipes are installed, before concealment

  2. 2

    Final Inspection

    Fixtures connected, no leaks, proper venting verified

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

Re-inspection fees

Commercial Building Permit (New Building / Core & Shell / Addition)Re-Inspection Fee / After-Hours Inspection · City of Louisville Building Permit Fee Table, Table 4, Other Inspections and Fees, items 1 and 2, CC 12/03/24
$200.00 per hour (after-hours minimum charge 2 hours)

Sources & verification

Verified against official sources. Last reviewed 2026-07-05.

Fee schedules

Online permit portal

Codes & ordinances

Department & other records

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 permitsResidential Building Permit (New Construction)Accessory Dwelling Unit (ADU) PermitCommercial Building Permit (New Building / Core & Shell / Addition)Residential Addition / Remodel PermitSolar PV Permit (Roof Top Unit/Solar/Telecommunication)Commercial Tenant Improvement / Tenant Finish PermitElectrical PermitMechanical / HVAC PermitPlumbing PermitChange of Use / Change of OccupancyDemolition PermitEV Charger / Electric Vehicle Charging Station PermitFence / Retaining Wall PermitRoofing Permit (Re-Roof)

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