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Commercial Tenant Improvement / Commercial Building Permit in Frederick, Colorado

Required for new commercial construction and tenant improvements in the Town of Frederick. Reviewed under the 2024 IBC as locally adopted, with all discipline-specific plans wet-stamped by the applicable Colorado-licensed design professional. The Town's own submittal checklist does not explicitly differentiate tenant improvement scope from new commercial construction; TI projects are expected to submit a scaled-down version of the same document set (typically without new site/civil/grading/utility-connection plans).

Verified 2026-07-23 · Source

When you need this permit

  • Completely filled-out building permit application: job address, owner/contractor information, work description, valuation, and utility details
  • Site and civil plans (for new construction; typically not required for interior-only tenant improvements): property lines, setbacks, drainage plans with 2-foot contour increments, erosion control measures, utility connections, parking layouts
  • Architectural sheets: floor plans, cross-sections, door/window schedules, accessibility compliance per ANSI 117.1/ADA/FHA, fire-resistive construction details with UL listing numbers
  • Structural, mechanical, plumbing, and electrical plans with detailed specifications, equipment schedules, and sizing calculations
  • All plans must be wet-stamped and signed by a Colorado State Licensed professional in the applicable discipline Contractor
  • Fire protection plans (fire alarm/sprinkler) must be submitted separately to the Frederick Fire Department, not the Building Department

Required documents

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Fee schedule

Building Permit Fee (same valuation-based schedule as residential)Town of Frederick Fee Schedule, effective January 1, 2026 — no separate commercial-only valuation table found; same table used for all Building Permit Fees
$35.00 minimum, scaling per the valuation tiers in the 2026 Fee Schedule
Plan Review Fee
65% of Building Permit Fee
Additional Plan Review (changes/revisions)
$200.00 per item
Non-residential Transportation (Road) Impact Fee2026 Fee Schedule — figures listed by use category; confirm exact category mapping to your project with the Building Department
$11.11/sq ft Retail & Commercial; $9.09/sq ft Office; $4.23/sq ft Public & Institutional; $4.10/sq ft Industrial; $1.14/sq ft Warehouse
Construction Plan Review only
$1,000.00

Review timeline

Plan review
Not published — contact the department

How long did your Commercial Tenant Improvement / Commercial Building Permit permit actually take in Frederick?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Rough Structural/Framing

    Structural elements and framing before cover

  2. 2

    Rough Electrical / Plumbing / Mechanical

    Trade rough-ins before concealment

  3. 3

    Final Inspection

    All work complete per approved plans; Certificate of Occupancy issuance where applicable

See the full Frederick inspection guide — scheduling & re-inspection fees →

Tips

  • Fire alarm and fire sprinkler plans go to the Frederick Fire Department separately from the Building Department's commercial plan review — route those documents to Fire directly rather than bundling them with your Building Department submittal to avoid delay. The live All-Commercial checklist text itself names 'tenant finishes' explicitly in this Fire Protection routing instruction ('For fire alarm, sprinkler, commercial building, tenant finishes, kitchen hoods, haz-mat and IGH piled storage... email to FFFD').
  • Re-chased 2026-07-23: the Town's commercial checklist does not spell out a distinct, lighter tenant-improvement track because it doesn't need to — the same Building Permit Application asks the applicant to classify the work as 'New, addition, alteration, repair, move, other,' and the checklist's site/civil section already lists 'Structures – Proposed and existing, including sheds, barns, decks, patios, etc.' as things to show only where they exist/are proposed. For straightforward TI work with no new utility connections or grading, confirm with the Building Department which site/civil elements can be omitted, but there is no separate TI document set being missed — this is Frederick's actual single-track process, confirmed against the live checklist text.

Frequently asked questions

Frederick requires a commercial tenant improvement / commercial building permit for: Completely filled-out building permit application: job address, owner/contractor information, work description, valuation, and utility details; Site and civil plans (for new construction; typically not required for interior-only tenant improvements): property lines, setbacks, drainage plans with 2-foot contour increments, erosion control measures, utility connections, parking layouts; Architectural sheets: floor plans, cross-sections, door/window schedules, accessibility compliance per ANSI 117.1/ADA/FHA, fire-resistive construction details with UL listing numbers; Structural, mechanical, plumbing, and electrical plans with detailed specifications, equipment schedules, and sizing calculations; All plans must be wet-stamped and signed by a Colorado State Licensed professional in the applicable discipline; Fire protection plans (fire alarm/sprinkler) must be submitted separately to the Frederick Fire Department, not the Building Department. If your project isn't listed, confirm with Town of Frederick Building Department at 720-382-5516 (general questions); 720-382-5620 (inspection request line) before starting work.

In Frederick, the published Building Permit Fee (same valuation-based schedule as residential) is: $35.00 minimum, scaling per the valuation tiers in the 2026 Fee Schedule. Additional published fees: Plan Review Fee — 65% of Building Permit Fee; Additional Plan Review (changes/revisions) — $200.00 per item; Non-residential Transportation (Road) Impact Fee — $11.11/sq ft Retail & Commercial; $9.09/sq ft Office; $4.23/sq ft Public & Institutional; $4.10/sq ft Industrial; $1.14/sq ft Warehouse; Construction Plan Review only — $1,000.00. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Frederick does not publish a plan-review timeline for this permit. Contact Town of Frederick Building Department at 720-382-5516 (general questions); 720-382-5620 (inspection request line) for current turnaround.

You'll need: Permit Application — New Commercial; All Commercial submittal package; General Construction Permit application (PDF). See the required-documents checklist on this page for details on each.

Frederick requires 3 inspection(s) for a commercial tenant improvement / commercial building permit, in order: Rough Structural/Framing, Rough Electrical / Plumbing / Mechanical, Final Inspection. Schedule each through Town of Frederick Building Department (720-382-5516 (general questions); 720-382-5620 (inspection request line)).

Apply through Town of Frederick Building Department at 401 Locust Street, Frederick, CO 80530 (mailing: PO Box 435, Frederick, CO 80530). Phone: 720-382-5516 (general questions); 720-382-5620 (inspection request line), email: building@frederickco.gov. Office hours: Monday-Friday, 7:30 a.m. - 4:30 p.m. Chief Building Official: mtheile@FrederickCO.gov.. Official information: https://www.frederickco.gov/416/Building-Department.

Frederick, Colorado has adopted: 2024 International Building Code (IBC) — Town of Frederick Building Codes page; 2024 International Residential Code (IRC); 2024 International Fire Code (IFC); 2024 International Mechanical Code (IMC); 2024 International Fuel Gas Code (IFGC); 2024 International Plumbing Code (IPC); 2024 International Existing Building Code (IEBC); 2024 International Energy Conservation Code (IECC); 2024 International Swimming Pool and Spa Code (ISPSC); 2024 International Property Maintenance Code (IPMC); 2023 National Electrical Code (NEC); 2025 Colorado Wildfire Resiliency Code (as published by the State of Colorado Division of Fire Prevention and Control); Colorado Model Electric Ready and Solar Ready Code; All codes adopted with local amendments per Frederick Municipal Code, Chapter 18 (Buildings and Building Regulations) — Town of Frederick Building Codes page (frederickco.gov/141/Building-Codes); Note on code-cycle currency: the Town's own Residential/New Construction Building Permit Checklist (a submittal-requirements document, not the code-adoption page) still directs energy-code compliance via '2021 IECC Energy Code' (REScheck, energy rating report, or prescriptive HERS documentation), even though the live Building Codes page lists 2024 IECC as currently adopted — this is the same pattern seen in other Colorado jurisdictions in this corpus where a static submittal PDF lags the actively-maintained code-adoption webpage. The 2024 IBC/IRC/IECC/IMC/IPC/IFGC/IEBC/ISPSC/IPMC + 2023 NEC list from the Building Codes page is treated as the current, governing adopted-code list for this file; confirm current code edition directly with the Building Department (720-382-5516) before finalizing a code analysis for any specific project, since the checklist PDF may not yet be updated to match the webpage.. Local amendments apply — see the Frederick overview page for the full list.

The Town's All Commercial submittal checklist does not explicitly exempt tenant improvements from site/civil plan requirements, but a TI with no new grading, drainage changes, or utility connections from the road would typically not need those elements — confirm scope-specific requirements with the Building Department before submittal.

Sources & verification

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

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

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