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Commercial Remodel / Tenant Improvement Permit (Tenant Finish/Improvement, Landlord Work, White Box, Core and Shell, Change in Use) in Silverthorne, Colorado

Required for tenant-finish/tenant-improvement work, landlord work, white-box build-out, core-and-shell work, and change-of-use projects in existing commercial space in Silverthorne — a distinct, genuinely published permit track separate from new commercial construction, confirmed directly on the Town's own Permit Process by Project Type page ('Commercial Remodels (Tenant Finish/Improvement Landlord Work/White Box/Core and Shell/Change in Use)'). This is directly relevant to Silverthorne's outlet-mall/retail commercial base, where tenant turnover and buildout are common. Submittal is lighter than new commercial construction (no site plan, landscape plan, or tree conservation plan required) but still requires a stamped code study and stamped floor plans.

Reviewed 2026-08-02 · Source

When you need this permit

  • Code study stamped by a licensed architect
  • Existing and proposed architectural floor plans, stamped by a licensed architect or engineer
  • Proposed scope of work
  • Stamped structural drawings (if applicable to the scope of work)
  • Additional submittal items: landowner authorization; warranty deed if applicable for new ownership
  • Outside agency approvals prior to issuance: Summit Fire & EMS fire mitigation permit (new construction/additions/decks) and life-safety/sprinkler permit (required for commercial and multi-family properties); Summit County Environmental Health sign-off for food service, schools, and public pools
  • Plan Review: Town of Silverthorne Planning Department reviews per Town Code (narrower than the New Commercial Construction track, which also routes through Engineering and Water & Sewer); Building Department reviews per Building Code

Required documents

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Fee schedule

Building Permit FeeTown of Silverthorne Permit Fees page, confirmed 2026-08-02; no distinct TI-specific fee table is published
Same universal valuation-based table used for all Silverthorne building permits (based on the valuation of the tenant-improvement scope of work)
Plan Review FeeDue at submittal, per the Commercial Remodels accordion page, confirmed 2026-08-02
65% of the Building Permit Fee
Water and Sewer Tap FeesListed among fees due before permit issuance, conditional on whether the TI scope changes water/sewer service
Per Town Code Sec. 3-2-1, if applicable

Review timeline

Plan review
Not published — contact the department

How long did your Commercial Remodel / Tenant Improvement Permit (Tenant Finish/Improvement, Landlord Work, White Box, Core and Shell, Change in Use) permit actually take in Silverthorne?

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

Inspection process

  1. 1

    Rough Trades (electrical/plumbing/mechanical, as applicable to scope)

    Before concealment; scope-dependent since TI submittal is not a full new-construction package

  2. 2

    Final Inspection

    The department that reviewed and approved the building permit plans also conducts the final inspections prior to CO/Completion. Building inspection requests via SmartGov portal by 4 p.m. the day before the desired inspection; Town-specific final inspections must be emailed to buildinginfo@silverthorne.org at least 48 hours in advance.

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

Tips

  • Tenant improvement/commercial remodel submittals in Silverthorne are lighter than new commercial construction — no site plan, landscape plan, tree conservation plan, or excise-tax line item — but still require a stamped code study, which is unique to this permit type in the file.
  • This permit track explicitly covers five distinct commercial-remodel scenarios under one application: Tenant Finish/Improvement, Landlord Work, White Box, Core and Shell, and Change in Use — confirm which scenario applies since documentation emphasis (e.g., code study for change-in-use) may differ in practice even though the published checklist is unified.
  • Life-safety/sprinkler permits from Summit Fire & EMS apply to ALL commercial properties undergoing this work, not just large-scope projects — budget for this outside-agency step.

Frequently asked questions

Silverthorne requires a commercial remodel / tenant improvement permit (tenant finish/improvement, landlord work, white box, core and shell, change in use) for: Code study stamped by a licensed architect; Existing and proposed architectural floor plans, stamped by a licensed architect or engineer; Proposed scope of work; Stamped structural drawings (if applicable to the scope of work); Additional submittal items: landowner authorization; warranty deed if applicable for new ownership; Outside agency approvals prior to issuance: Summit Fire & EMS fire mitigation permit (new construction/additions/decks) and life-safety/sprinkler permit (required for commercial and multi-family properties); Summit County Environmental Health sign-off for food service, schools, and public pools; Plan Review: Town of Silverthorne Planning Department reviews per Town Code (narrower than the New Commercial Construction track, which also routes through Engineering and Water & Sewer); Building Department reviews per Building Code. If your project isn't listed, confirm with Town of Silverthorne Community Development Department, Building Division at 970-262-7360 before starting work.

In Silverthorne, the published Building Permit Fee is: Same universal valuation-based table used for all Silverthorne building permits (based on the valuation of the tenant-improvement scope of work). Additional published fees: Plan Review Fee — 65% of the Building Permit Fee; Water and Sewer Tap Fees — Per Town Code Sec. 3-2-1, if applicable. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Silverthorne does not publish a plan-review timeline for this permit. Contact Town of Silverthorne Community Development Department, Building Division at 970-262-7360 for current turnaround.

You'll need: Commercial Remodel / Tenant Improvement Permit Application (SmartGov Portal); Code Study; Existing and Proposed Floor Plans. Depending on your project, Silverthorne may also ask for: Stamped Structural Drawings. See the required-documents checklist on this page for details on each.

Silverthorne requires 2 inspection(s) for a commercial remodel / tenant improvement permit (tenant finish/improvement, landlord work, white box, core and shell, change in use), in order: Rough Trades (electrical/plumbing/mechanical, as applicable to scope), Final Inspection. Schedule each through Town of Silverthorne Community Development Department, Building Division (970-262-7360).

Apply through Town of Silverthorne Community Development Department, Building Division at 601 Center Circle, P.O. Box 1309, Silverthorne, CO 80498. Phone: 970-262-7360, email: buildinginfo@silverthorne.org. Office hours: Monday through Friday, 8 a.m. to 5 p.m.; building permit submittal appointments required (per Community Development FAQ). Town Hall main line (970) 262-7300; Community Development/Building direct line (970) 262-7360. Electrical permits are handled separately by the Summit County Building Department, 0037 Peak One Drive / 37 S.C.R. 1005, Frisco, CO, (970) 668-3170.. Official information: https://www.silverthorne.org/town-government/community-development/building-copy.

Yes. The Town's Permit Process by Project Type page publishes a dedicated 'Commercial Remodels (Tenant Finish/Improvement Landlord Work/White Box/Core and Shell/Change in Use)' permit track with its own SmartGov application link and a lighter submittal package than new commercial construction — a stamped code study, existing/proposed floor plans, scope of work, and structural drawings if applicable, rather than the full site-plan/landscape/tree-conservation package.

Summit Fire & EMS requires a fire mitigation permit and, for commercial and multi-family properties specifically, a life-safety/sprinkler permit. Summit County Environmental Health sign-off is additionally required if the space involves food service, a school, or a public pool.

Sources & verification

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

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Commercial Remodel / Tenant Improvement Permit (Tenant Finish/Improvement, Landlord Work, White Box, Core and Shell, Change in Use) in other cities

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