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Residential Building Permit (New Construction) in Timnath, Colorado

Required for new single-family and two-family residential construction in Timnath. Plan review is performed by SAFEbuilt Colorado under contract to the Town; the Town of Timnath is the permit-issuing authority. Applications route through the CommunityCore portal for contractors, or by email submittal for homeowners.

Verified 2026-07-06 · Source

When you need this permit

  • Submit a complete set of construction drawings including engineered, stamped foundation plans, a copy of Energy Code compliance information (ResCheck or equivalent, per the 2018 IECC as locally amended), and a plot plan
  • 1 set of Manual J, D (and S, per the Master Plan process) compliance calculations
  • Site Grading Certification required prior to Certificate of Occupancy for all new Single Family, Two-Family, or Multi-Family Residences
  • Contractors submit via CommunityCore; homeowners without CommunityCore access may email documents to buildings@timnathgov.com
  • General contractor must hold a current Town of Timnath Contractor License; electrical and plumbing trades must hold current Colorado state licensure (subject to contemporaneous license review during inspections per HB19-1086/SB19-156) Contractor
  • Use tax deposit (Larimer County, 0.8% of 50% of assumed material valuation) due at permit issuance; Project Cost Report reconciliation due within 60 days of Certificate of Occupancy

Required documents

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Fee schedule

Base Building Permit FeeCodified as Appendix 4-A to Chapter 4 of the Timnath Municipal Code, explicitly stated to be 'available from the Town Office' rather than posted publicly. Contact buildings@timnathgov.com or 970-224-3211 for current figures. Valuation for fee purposes is calculated via the Town's Valuation Calculator (2022 ICC Building Valuation Data basis, updated 1-Feb-2024): Main Floor $150.87/SF, Basement-Finished $37.51/SF, Basement-Unfinished $23.20/SF, Garage $39.28/SF.
Not published online
Police Impact FeeOrdinance No. 5, Series 2024, Sec. 4-6-50(a); collected at building permit issuance
$659.00 per residential dwelling unit
Parks, Open Space and Trails Impact FeeOrdinance No. 5, Series 2024, Sec. 4-6-50(b)
$3,669.00 per residential dwelling unit
Public Buildings Impact FeeOrdinance No. 5, Series 2024, Sec. 4-6-50(c)
$800.00 per residential dwelling unit
Stormwater Impact FeeOrdinance No. 5, Series 2024, Sec. 4-6-50(d)
$560.00 per residential dwelling unit
Transportation Impact FeeOrdinance No. 5, Series 2024, Sec. 4-6-50(e)
$2,003.00 per residential dwelling unit
Larimer County Use Tax DepositDeposit reconciled via Project Cost Report within 60 days of CO/finalization
0.8% of 50% assumed material valuation

Review timeline

Plan reviewTimnath’s published plan-review target
15–15 business days

How long did your Residential Building Permit (New Construction) permit actually take in Timnath?

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

Inspection process

  1. 1

    Footing/Foundation

    Before concrete placement

  2. 2

    Framing

    Structural framing, bracing, and fasteners in place before cover

  3. 3

    Rough Electrical/Plumbing/Mechanical

    Trade rough-ins before concealment; subject to contemporaneous Colorado electrical/plumbing license review per HB19-1086/SB19-156

  4. 4

    Final Inspection

    All work complete; must occur within 2 years of permit issuance or a new permit is required

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

Tips

  • Timnath's Building Services function is contracted to SAFEbuilt Colorado (plan review) and SAFEbuilt, Inc. (inspections) — the Town itself remains the issuing authority and fee-setting body, and applicants deal with both the Town's own staff (Building Permit Technician, Building Official) and SAFEbuilt personnel depending on the step.
  • The base building permit fee schedule (Appendix 4-A) is not published online — budget time to call or email the Building Department directly for an accurate fee quote before assuming a figure.
  • Design guides for specific project types (re-roof, decks, additions, basement finish, accessory structures, PV) are all keyed to the 2018 IRC even though the Town updated its IBC/IFC to the 2024 editions effective January 1, 2026 — confirm which IRC edition currently governs your specific project with Building Services.
  • Larimer County's 0.8% use-tax rate is notably lower than some neighboring Front Range counties — don't assume a higher rate when estimating project costs.

Frequently asked questions

Timnath requires a residential building permit (new construction) for: Submit a complete set of construction drawings including engineered, stamped foundation plans, a copy of Energy Code compliance information (ResCheck or equivalent, per the 2018 IECC as locally amended), and a plot plan; 1 set of Manual J, D (and S, per the Master Plan process) compliance calculations; Site Grading Certification required prior to Certificate of Occupancy for all new Single Family, Two-Family, or Multi-Family Residences; Contractors submit via CommunityCore; homeowners without CommunityCore access may email documents to buildings@timnathgov.com; General contractor must hold a current Town of Timnath Contractor License; electrical and plumbing trades must hold current Colorado state licensure (subject to contemporaneous license review during inspections per HB19-1086/SB19-156); Use tax deposit (Larimer County, 0.8% of 50% of assumed material valuation) due at permit issuance; Project Cost Report reconciliation due within 60 days of Certificate of Occupancy. If your project isn't listed, confirm with Town of Timnath Building Services (Community Development Department; building administration contracted to SAFEbuilt Colorado) at 970-224-3211 before starting work.

In Timnath, the published Base Building Permit Fee is: Not published online. Additional published fees: Police Impact Fee — $659.00 per residential dwelling unit; Parks, Open Space and Trails Impact Fee — $3,669.00 per residential dwelling unit; Public Buildings Impact Fee — $800.00 per residential dwelling unit; Stormwater Impact Fee — $560.00 per residential dwelling unit; Transportation Impact Fee — $2,003.00 per residential dwelling unit; Larimer County Use Tax Deposit — 0.8% of 50% assumed material valuation. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Per the Town's own FAQ, typically 15 business days if all documentation is correct and complete.

You'll need: Building Permit Application; Construction Drawings (Architectural/Floor Plans, Engineered Foundation Plans); Plot Plan; Energy Code Compliance Documentation; Manual J / Manual D Calculations; Site Grading Certification. See the required-documents checklist on this page for details on each.

Timnath requires 4 inspection(s) for a residential building permit (new construction), in order: Footing/Foundation, Framing, Rough Electrical/Plumbing/Mechanical, Final Inspection. Schedule each through Town of Timnath Building Services (Community Development Department; building administration contracted to SAFEbuilt Colorado) (970-224-3211).

Apply through Town of Timnath Building Services (Community Development Department; building administration contracted to SAFEbuilt Colorado) at Timnath Town Center, 4750 Signal Tree Drive, Timnath, CO 80547. Phone: 970-224-3211, email: buildings@timnathgov.com. Office hours: Weekdays, 8:00 a.m. to 4:30 p.m. Building Permit Technician direct line 970-449-4639; Building Official direct line 970-566-4674; SAFEbuilt, Inc. inspection line 970-674-1036 (call/email by 4:00 p.m. the prior business day for next-business-day scheduling); SAFEbuilt Colorado regional office 970-686-7511 (561 E. Garden Drive, Unit C, Windsor, CO 80550 — SAFEbuilt's own Northern Colorado office, not a separate Timnath location).. Official information: https://timnath.org/building-and-construction-services/.

The Town of Timnath is the issuing authority. Building plan review is performed by SAFEbuilt Colorado and inspections by SAFEbuilt, Inc. under contract to the Town.

Timnath is entirely within Larimer County, Colorado. It should not be confused with neighboring Weld County towns.

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

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