Lyons building inspections
VerifiedInspection sequence, scheduling, and re-inspection fees for building permits in Lyons, Colorado.
Verified 2026-07-06 · Source
How to schedule
Inspections are requested through the building department below.
- Address
- 432 5th Avenue, Lyons, CO 80540 (PO Box 49)
- Phone
- 303-823-6622 ext. 25 (Town Planning and Building Director); 970-545-3512 (SAFEbuilt Permit Technician); 970-545-3555 (SAFEbuilt Chief Building Official); 303-774-0454 (Inspection Request Line)
- Office hours
- Monday-Thursday 8:00 a.m.-4:30 p.m.; Friday 8:00 a.m.-noon; closed holidays. Town of Lyons main line 303-823-6622.
- Website
- Official site
Inspection sequence
Applies to: Accessory Dwelling Unit (ADU) Permit
- 1
Foundation
Before concrete pour (new detached ADU only)
- 2
Framing
Structural framing complete before cover
- 3
Rough Electrical / Plumbing / Mechanical
Trade rough-ins before concealment
- 4
Final Inspection
All work complete per approved plans, including interconnected smoke/CO alarms for attached/internal ADUs without fire separation
Applies to: Residential Addition / Interior Remodel Permit
- 1
Foundation (additions with new footings only)
Before concrete pour, per 30-inch minimum frost line depth
- 2
Rough Frame
Framing complete, connection to existing structure verified
- 3
Rough Electrical / Plumbing / Mechanical
Trade rough-ins before concealment
- 4
Final Inspection
All work complete per approved plans
Applies to: Residential Building Permit (New Construction)
- 1
Foundation
Before concrete pour, per 30-inch minimum frost line depth
- 2
Framing
Structural framing complete before cover
- 3
Rough Electrical / Plumbing / Mechanical
Trade rough-ins before concealment
- 4
Final Inspection
All work complete per approved plans and applicable codes
Applies to: Deck / Covered Patio Permit
- 1
Footing
Before concrete pour, per 30-inch minimum frost line depth
- 2
Framing
Deck framing and ledger-board attachment to primary structure
- 3
Final Inspection
Guardrails, stairs, and finished decking complete per approved plans
Applies to: Rooftop Solar Photovoltaic (PV) Permit
- 1
Framing (if structural enhancements required)
Required for both residential and commercial projects when structural upgrades are part of the PV installation
- 2
Rough Electrical
Conduit runs, wire sizing, and disconnect placement before cover
- 3
Final Electrical Inspection
Racking, roof penetrations, and electrical connections verified; rapid shutdown system tested with the inspector present; customer must provide a ladder for roof-mounted components
Applies to: Commercial Tenant Improvement Permit
- 1
Rough Electrical / Plumbing / Mechanical
Trade rough-ins before concealment
- 2
Final Inspection
All work complete per approved plans and applicable codes
Applies to: Electrical Permit
- 1
Rough Electrical
Wiring and panel 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 placement before concealment
- 2
Final Inspection
Equipment operational, combustion air and venting verified
Applies to: Plumbing Permit
- 1
Rough Plumbing
Pipe, drain, waste, and vent installation before concealment
- 2
Final Inspection
Fixtures connected, no leaks, proper venting verified
Final inspection only: Demolition Permit, EV Charger / EVSE Permit, Roofing Permit (Re-Roof)
Re-inspection fees
Sources & verification
Verified against official sources. Last reviewed 2026-07-06.
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 Lyons building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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