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Lone Tree building inspections

Verified

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

Verified 2026-07-23 · Source

How to schedule

Inspections are requested through the building department below.

Address
9220 Kimmer Dr., Suite 100, Lone Tree, CO 80124
Phone
720-390-5211
Email
building@cityoflonetree.com
Office hours
7:00 AM - 4:00 PM, Monday-Friday, excluding holidays/weekends. Chief Building Official: Matt Archer. Community Development Director: Kelly First (kelly.first@cityoflonetree.com, 720-509-1274). General city line: 303-708-1818.
Website
Official site

Published scheduling rules

  • The City publishes NO numeric plan-review turnaround (days or weeks) for any standard building-permit category anywhere on its site — not on the Building Division page, the Do I Need a Building Permit page, the Roofing Guidelines page, the Building Inspection Scheduling page, the 2026 fee schedule, or the Building Permit Reports archive. Colorado is home-rule with no statewide clock. (General)

Inspection sequence

Applies to: Accessory Dwelling Unit (ADU) Permit

  1. 1

    Foundation

    Before concrete pour, if new footings are required

  2. 2

    Framing

    Structural framing complete before cover

  3. 3

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment

  4. 4

    Final Inspection

    All work complete per approved plans

Applies to: Residential Addition / Remodel Permit (including Basement Finish)

  1. 1

    Foundation (additions with new footings only)

    Before concrete pour, per 36-inch minimum frost depth

  2. 2

    Rough Frame

    Framing complete, connection to existing structure verified

  3. 3

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment

  4. 4

    Final Inspection

    All work complete per approved plans

Applies to: Residential Building Permit (New Construction)

  1. 1

    Foundation

    Before concrete pour, per 36-inch minimum frost depth

  2. 2

    Framing

    Structural framing complete before cover

  3. 3

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment

  4. 4

    Final Inspection

    All work complete per approved plans and applicable codes

Applies to: Deck / Patio Cover Permit

  1. 1

    Footing

    Before concrete pour, per 36-inch minimum frost depth

  2. 2

    Framing

    Deck or patio cover framing and structural connections before cover/finish

  3. 3

    Final Inspection

    Guardrails, stairs, and structural connections complete per approved plans

Applies to: Commercial Tenant Improvement Permit

  1. 1

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment, scoped to the TI work

  2. 2

    Final Inspection

    All work complete per approved plans; Certificate of Occupancy review as applicable

Applies to: Electrical Permit

  1. 1

    Rough Electrical

    Wiring and panel 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 placement before concealment

  2. 2

    Final Inspection

    Equipment operational, combustion air and venting verified

Applies to: Plumbing Permit

  1. 1

    Rough Plumbing

    Pipe, drain, waste, and vent installation before concealment

  2. 2

    Final Inspection

    Fixtures connected, no leaks, proper venting verified

Applies to: Roofing Permit (Re-Roof)

  1. 1

    Mid-Roof Inspection

    Required for all roof types when 20-50% of roofing is installed

  2. 2

    Final Roof Inspection

    Required for all roofing materials; no ladder needed unless flagged at mid-roof stage

Applies to: Solar Electric / Solar Thermal Device Permit

  1. 1

    Rough Electrical

    Conduit runs, wire sizing, and disconnect placement before cover

  2. 2

    Final Inspection

    Racking, roof penetrations, and electrical connections verified

Final inspection only: Change of Use / Change of Occupancy, Demolition Permit, EV Charger / Electric Vehicle Charging Station Permit, Furnace / Water Heater Replacement Permit

Re-inspection fees

Fire Sprinkler / Fire Alarm System PermitRe-Inspection Fee / Release of Stop Work Order · SMFR Systems and Other Fees, effective 1/1/2026
$284.63

Sources & verification

Verified against official sources. Last reviewed 2026-07-23.

Fee schedules

Applications & forms

Checklists & handouts

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

Lone Tree building permits

Lone Tree building permitsAccessory Dwelling Unit (ADU) PermitResidential Addition / Remodel Permit (including Basement Finish)Residential Building Permit (New Construction)Deck / Patio Cover PermitCommercial Tenant Improvement PermitElectrical PermitMechanical / HVAC PermitPlumbing PermitRoofing Permit (Re-Roof)Solar Electric / Solar Thermal Device PermitChange of Use / Change of OccupancyDemolition PermitEV Charger / Electric Vehicle Charging Station PermitFurnace / Water Heater Replacement Permit

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