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Commercial Building Permit (including Tenant Improvement / Tenant Finish) in Dillon, Colorado

Required for new commercial construction, commercial remodels, and tenant finish/tenant improvement work in Dillon. Same two-agency process as all Dillon building work: a Town of Dillon Development Permit must be issued FIRST by the Dillon Planning & Zoning Department, then the building permit itself is issued and inspected by the Summit County Building Inspection Department (the Town has no building department of its own). Summit County publishes NO separate commercial building permit type — its Building Permits page lists a single 'Building Permit' and its fee schedule applies one valuation-based fee table to all occupancies. Tenant improvement is likewise NOT a distinct county permit type or fee line; 'tenant finish' appears only at the Town level, as one of the named project types requiring a Dillon Development Permit. What IS commercially distinct in Dillon: all commercial and multi-family developments (new or remodel) must be designed in conformance with the Town's adopted Architectural Design Guidelines (2017), which adds a paid design-review step at the Town stage (see fees).

Verified 2026-08-02 · Source

When you need this permit

  • STEP 1 (prerequisite): Obtain a Town of Dillon Development Permit via the Town's online Development Application Form — 'tenant finish,' 'remodels,' 'new structures,' and 'buildings' are all explicitly named on the Town's list of projects requiring a Development Permit; Town Staff reviews the application and responds by email with the required Development Permit fee and next steps (contact Ned West, Sr. Town Planner, (970) 262-3421, nwest@townofdillon.com)
  • Architectural Design Guidelines conformance (commercial-specific): all commercial and multi-family residential developments, new OR remodel, must be designed in conformance with the Town of Dillon Design Guidelines (2017); the applicant must submit the guideline checklists with a site plan, building elevations, roof plan, and floor plans, and must enter into a cost reimbursement agreement with the Town covering a minimum of one meeting with the Town's architectural consultant
  • STEP 2: Submit the building permit application, plans, and all hard-copy materials IN PERSON to Summit County Building Inspection Department, County Commons, 0037 Peak One Drive, Frisco, CO 80443 — electronic, mailed, or couriered submittals are not accepted; submittals not accepted after 4:30 p.m.
  • Plans submitted on or after July 1, 2026 must comply with the 2024 I-Code series with Summit County amendments (2024 IBC/IECC et al.); any permit applied for on or after May 4, 2026 is also subject to the Colorado Wildfire Resiliency Code as adopted by Summit County
  • Plan review fee (65% of the building permit fee) is due at time of submittal; county plan review is routed through Planning, Engineering, Building Inspection, Environmental Health, and Housing departments
  • Affordable Housing Development Impact Fee applies to commercial/industrial structures at a flat $2.00 per square foot (Copper Mountain and Keystone PUD are exempt; Dillon is not listed as exempt)
  • Associated plumbing and mechanical permit fees for new commercial projects use a valuation based on 10% of the project's total valuation (x 0.0075, $65.00 minimum each), per the county fee schedule

Required documents

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Fee schedule

Building Permit Fee — valuation-based (same table for all occupancies)Summit County Building Permit Fee Schedule — one valuation table applies to residential and commercial alike; no commercial-specific or tenant-improvement-specific fee tier exists (confirmed against the live fee schedule this session)
$50.00 minimum (valuation $1-$500), scaling through $1,169.55 for the first $100,000.00 plus $6.73 per additional $1,000.00 (to $500,000), $3,663.00 for the first $500,000.00 plus $5.34 per additional $1,000.00 (to $1,000,000), and $6,332.22 for the first $1,000,000.00 plus $3.90 per additional $1,000.00 above that
Plan Review FeeMandatory, due at time of submittal when plan review is required by code
65% of the Building Permit Fee
Town of Dillon architectural consultant design-review meeting (commercial/multi-family only)Via cost reimbursement agreement with the Town; minimum one meeting required; actual cost depends on complexity, completeness, and nature of the proposal, per the Dillon Development Permit Application page
Typically $500.00-$800.00 per review meeting
Town of Dillon Development Permit FeeThe Town's page states staff will respond by email 'with the required Development Permit Fee' — no published fee table for the Development Permit itself was found on the Town's site
Determined by Town Staff after application review
Affordable Housing Development Impact Fee (commercial/industrial)Flat rate for all commercial or industrial structures, per the Summit County fee schedule; property owners may instead voluntarily record a private transfer-fee covenant in lieu of paying at permit issuance
$2.00 per square foot
Plumbing and Mechanical Permit Fees (new commercial projects)Summit County Building Permit Fee Schedule rule for new SFR/commercial work
Each: valuation x 0.0075, $65.00 minimum, where valuation is based on 10% of the project's total valuation

Review timeline

Plan review
Not published — contact the department

How long did your Commercial Building Permit (including Tenant Improvement / Tenant Finish) permit actually take in Dillon?

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

Inspection process

  1. 1

    Foundation / Footings

    Before concrete pour (new construction)

  2. 2

    Framing

    After framing complete, before insulation or wall cover

  3. 3

    MEP Rough-In

    Mechanical, electrical, and plumbing rough-in before walls closed

  4. 4

    Final

    All work complete per approved plans, ready for Certificate of Occupancy

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

Tips

  • Tenant improvement is NOT a separate permit type here — 'tenant finish' is simply one of the named triggers for the Town of Dillon Development Permit, and at the county stage a TI runs through the exact same valuation-based Building Permit as any other commercial work. No TI-specific fee line or process is published at either level, so no separate tenant-improvement entry is modeled for this jurisdiction.
  • The commercially distinct step in Dillon is the Town's Architectural Design Guidelines review: every commercial or multi-family project, new or remodel, must submit guideline checklists with site plan, elevations, roof plan, and floor plans, and pay for at least one $500-$800 meeting with the Town's architectural consultant under a cost reimbursement agreement — budget for this before the county permit stage.
  • Do not apply to Summit County before your Dillon Development Permit is issued: 'A valid Town of Dillon development permit must be issued before applying for the building related permits' (Town's own page, verified live 2026-08-02).
  • Summit County requires in-person submittal at the Frisco office (0037 Peak One Drive) by a representative who can answer submittal questions — no electronic, mailed, or couriered submittals; cutoff 4:30 p.m. The department is typically unavailable Wednesday mornings.
  • The commercial Affordable Housing Impact Fee ($2.00/sq ft flat) is steeper at small square footages than the residential tiers, which start at $0/sq ft — factor it into project budgets early.

Frequently asked questions

Dillon requires a commercial building permit (including tenant improvement / tenant finish) for: STEP 1 (prerequisite): Obtain a Town of Dillon Development Permit via the Town's online Development Application Form — 'tenant finish,' 'remodels,' 'new structures,' and 'buildings' are all explicitly named on the Town's list of projects requiring a Development Permit; Town Staff reviews the application and responds by email with the required Development Permit fee and next steps (contact Ned West, Sr. Town Planner, (970) 262-3421, nwest@townofdillon.com); Architectural Design Guidelines conformance (commercial-specific): all commercial and multi-family residential developments, new OR remodel, must be designed in conformance with the Town of Dillon Design Guidelines (2017); the applicant must submit the guideline checklists with a site plan, building elevations, roof plan, and floor plans, and must enter into a cost reimbursement agreement with the Town covering a minimum of one meeting with the Town's architectural consultant; STEP 2: Submit the building permit application, plans, and all hard-copy materials IN PERSON to Summit County Building Inspection Department, County Commons, 0037 Peak One Drive, Frisco, CO 80443 — electronic, mailed, or couriered submittals are not accepted; submittals not accepted after 4:30 p.m.; Plans submitted on or after July 1, 2026 must comply with the 2024 I-Code series with Summit County amendments (2024 IBC/IECC et al.); any permit applied for on or after May 4, 2026 is also subject to the Colorado Wildfire Resiliency Code as adopted by Summit County; Plan review fee (65% of the building permit fee) is due at time of submittal; county plan review is routed through Planning, Engineering, Building Inspection, Environmental Health, and Housing departments; Affordable Housing Development Impact Fee applies to commercial/industrial structures at a flat $2.00 per square foot (Copper Mountain and Keystone PUD are exempt; Dillon is not listed as exempt); Associated plumbing and mechanical permit fees for new commercial projects use a valuation based on 10% of the project's total valuation (x 0.0075, $65.00 minimum each), per the county fee schedule. If your project isn't listed, confirm with Summit County Building Inspection Department (performing building-code review/inspection for the Town of Dillon under an intergovernmental services arrangement — not the Town's own department, and not the County's primary unincorporated-area jurisdiction) at (970) 668-3170 before starting work.

In Dillon, the published Building Permit Fee — valuation-based (same table for all occupancies) is: $50.00 minimum (valuation $1-$500), scaling through $1,169.55 for the first $100,000.00 plus $6.73 per additional $1,000.00 (to $500,000), $3,663.00 for the first $500,000.00 plus $5.34 per additional $1,000.00 (to $1,000,000), and $6,332.22 for the first $1,000,000.00 plus $3.90 per additional $1,000.00 above that. Additional published fees: Plan Review Fee — 65% of the Building Permit Fee; Town of Dillon architectural consultant design-review meeting (commercial/multi-family only) — Typically $500.00-$800.00 per review meeting; Town of Dillon Development Permit Fee — Determined by Town Staff after application review; Affordable Housing Development Impact Fee (commercial/industrial) — $2.00 per square foot; Plumbing and Mechanical Permit Fees (new commercial projects) — Each: valuation x 0.0075, $65.00 minimum, where valuation is based on 10% of the project's total valuation. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Neither agency publishes a numeric timeline. Summit County states review time 'depends on the time of year the plans are submitted and the completeness of the submitted plans,' and Colorado has no statewide review-deadline statute. Commercial projects should also allow time for the Town's architectural-consultant design review before county submittal.

You'll need: Town of Dillon Development Permit Application (online form); Architectural Design Guidelines checklists with site plan, building elevations, roof plan, and floor plans; Cost reimbursement agreement (Town of Dillon architectural consultant review); Building Permit Application (Summit County); Construction Drawings. See the required-documents checklist on this page for details on each.

Dillon requires 4 inspection(s) for a commercial building permit (including tenant improvement / tenant finish), in order: Foundation / Footings, Framing, MEP Rough-In, Final. Schedule each through Summit County Building Inspection Department (performing building-code review/inspection for the Town of Dillon under an intergovernmental services arrangement — not the Town's own department, and not the County's primary unincorporated-area jurisdiction) ((970) 668-3170).

Apply through Summit County Building Inspection Department (performing building-code review/inspection for the Town of Dillon under an intergovernmental services arrangement — not the Town's own department, and not the County's primary unincorporated-area jurisdiction) at County Commons, 0037 Peak One Drive, Frisco, CO 80443. Phone: (970) 668-3170, email: Contact via Email link at summitcountyco.gov/services/community_development/building_inspection/index.php. Office hours: Generally Monday-Friday 8:00 a.m.-5:00 p.m. (Wednesdays 10:00 a.m.-5:00 p.m. — the department is typically unavailable Wednesday mornings until 10:30 a.m. for a weekly staff meeting); Chief Building Official: Glen Morgan. Official information: https://www.summitcountyco.gov/services/community_development/building_inspection/index.php.

The Town of Dillon has no building department. You first obtain a Town of Dillon Development Permit (zoning review plus, for commercial projects, Architectural Design Guidelines review) from the Dillon Planning & Zoning Department, then apply in person for the building permit through the Summit County Building Inspection Department in Frisco, which performs all plan review and inspections for Dillon under an intergovernmental services arrangement.

No. 'Tenant finish' is explicitly listed among the projects requiring a Town of Dillon Development Permit, but the actual construction permit is Summit County's standard valuation-based Building Permit — the county publishes no distinct tenant-improvement permit type, fee, or timeline.

Sources & verification

Verified against official sources. Last reviewed 2026-08-02.

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

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