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Residential Addition / Home Improvement Permit in Gilcrest, Colorado

Required for additions to single-family dwellings in Gilcrest. Reviewed under the 2018 IRC per the Town's own published 'Additions to Single Family Dwellings' guide (SAFEbuilt, Inc., rev. 5.10.2019).

Verified 2026-07-06 · Source

When you need this permit

  • Site plan showing dimensions, setbacks, easements, utilities, and distance to property lines; structures may not be built over setback lines, easements, or property lines
  • Floor plan showing existing house dimensions, new room dimensions, new openings, and relocated items; new openings exceeding 6 feet in a bearing wall require detailed specifications
  • Additions cannot enclose bedroom or basement egress windows; heat must be supplied to all habitable rooms in the addition
  • Existing electric service amperage must be indicated on the plan; service upgrade or relocation may be required
  • Construction details required: foundation detail, exterior elevations, Energy Code Compliance Report (energycodes.gov) or REScheck calculations, and Manual D & J documentation if new HVAC appliances are installed
  • A foundation designed by a licensed Engineer or Architect may be required depending on conditions
  • As owner-builder, the property owner is the responsible party of record; Colorado law requires 2 years' occupancy after owner-builder work is completed Owner-builder

Required documents

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Fee schedule

Building Permit Fee (same valuation-based schedule as new construction)Amended 2025 Fee Schedule, effective 5/1/2025
Per the 1997 UBC Table 1A-based valuation schedule in the Town's current fee handout, starting at $23.00 minimum
Plan Check FeeTown of Gilcrest Building Inspection and Plan Review Fees handout, Fee Schedule table, p. 1, printed as "30% of Building Permit Fee"; same line in the Amended 2025 Fee Schedule, Exhibit 1, p. 7.
30% of Building Permit Fee
Town SurchargeTown of Gilcrest Building Inspection and Plan Review Fees handout, p. 1 header block; same line in the Amended 2025 Fee Schedule, Exhibit 1, p. 7.
$10.00 flat
Building Material Use TaxTown of Gilcrest Building Inspection and Plan Review Fees handout, p. 1: 4%, building materials estimated at 50% of project valuation in lieu of filing use tax returns, citing Section 4-55 Gilcrest Municipal Code.
4% of materials (estimated at 50% of project valuation)

Review timeline

Plan review
Not published — contact the department

How long did your Residential Addition / Home Improvement Permit permit actually take in Gilcrest?

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

Inspection process

  1. 1

    Foundation & Foundation Wall

    After trenches excavated, reinforcement steel placed, forms erected, prior to concrete pour

  2. 2

    Underground

    Prior to covering piping or wiring and prior to placing concrete

  3. 3

    Rough Trade

    Plumbing, mechanical, and electrical rough-in complete prior to cover; may combine with rough framing

  4. 4

    Rough Frame

    After roof, framing, fire stopping, sheathing, draft stopping, bracing, and fasteners are in place

  5. 5

    Insulation

    After insulation placed, prior to covering walls

  6. 6

    Final

    After the addition is completed

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

Tips

  • Additions cannot enclose bedroom or basement egress windows — plan room layouts accordingly before submitting.
  • If your existing electric service needs an upgrade to support the addition, indicate the existing amperage on your plans up front to avoid a plan-review round-trip.

Frequently asked questions

Yes. The Town's own Additions to Single Family Dwellings guide lists an Energy Code Compliance Report (via energycodes.gov) or REScheck calculations as a required construction-detail submittal item.

In Gilcrest, the published Building Permit Fee (same valuation-based schedule as new construction) is: Per the 1997 UBC Table 1A-based valuation schedule in the Town's current fee handout, starting at $23.00 minimum. Additional published fees: Plan Check Fee — 30% of Building Permit Fee; Town Surcharge — $10.00 flat; Building Material Use Tax — 4% of materials (estimated at 50% of project valuation). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Gilcrest does not publish a plan-review timeline for this permit. Contact Town of Gilcrest Planning & Zoning / Building Department (building inspection services contracted to SAFEbuilt, Inc.) at 970-737-2426 for current turnaround.

You'll need: Town of Gilcrest Building Permit Application; Site Plan; Floor Plan and Construction Details. See the required-documents checklist on this page for details on each.

Gilcrest requires 6 inspection(s) for a residential addition / home improvement permit, in order: Foundation & Foundation Wall, Underground, Rough Trade, Rough Frame, Insulation, Final. Schedule each through Town of Gilcrest Planning & Zoning / Building Department (building inspection services contracted to SAFEbuilt, Inc.) (970-737-2426).

Apply through Town of Gilcrest Planning & Zoning / Building Department (building inspection services contracted to SAFEbuilt, Inc.) at 304 8th Street, Gilcrest, CO 80623. Phone: 970-737-2426, email: hana@townofgilcrest.org. Office hours: Monday-Friday 10:00 AM - 6:00 PM; Saturday 10:00 AM - 2:00 PM (Town Hall, 304 8th Street). Building inspection services are provided under contract by SAFEbuilt, Inc. (3755 Precision Drive, Suite 140, Loveland, CO 80538; main line 866-977-4111); inspection scheduling is handled via the inspection line printed on the issued permit card, not the Town's general office line.. Official information: https://townofgilcrest.org/departments/planning-zoning/.

Gilcrest, Colorado has adopted: 2018 International Residential Code (IRC) — confirmed as the operative residential code from the title block of the Town's own SAFEbuilt-published 'Building Guides for Homeowners' series (Re-Roofing, Additions to Single Family Dwellings, Accessory Structures, Patio Covers/Carports, Decks, Pole Barns, Window Replacement, Swimming Pools — all titled '2018 IRC' and published/revised 5.10.2019), which are the Town's own currently-linked permitting handouts as of the last verification; National Electrical Code: the Town's own 'Residential Electrical Wiring Guidelines' handout (SAFEbuilt Colorado, last revised 1/28/2010) cites 2008 NEC provisions such as tamper-resistant receptacle requirements, and the Manufactured Housing Installation Permits handout states that manufactured-home electric service 'shall be installed in accordance with 2008 National Electric Code (NEC)'. That is the most recent NEC edition cited in any Town-published document, and it is materially older than current practice — no more recent Town-published NEC citation exists after checking the Building Permit Application, the Electrical Permit Resolution (2016-12) and both Contemporaneous Review Guidelines documents, none of which state an edition. Confirm the enforced edition with the Town before designing.; Building Permit Fee valuation table: the Town's 'Building Inspection and Plan Review Fees' handout (undated, current as of the last verification since it is reproduced verbatim as an exhibit to the Amended 2025 Fee Schedule effective 5/1/2025) explicitly states fees are 'Based on Table 1A of the 97 Uniform Building Code' (i.e., the 1997 Uniform Building Code, a legacy pre-IRC/IBC code family) — this is a fee-calculation table only, not a statement that Gilcrest enforces 1997 UBC construction/life-safety provisions; the same handout separately states project valuations are based on 'the most current Building Valuation Data published by the International Code Council,' which is inconsistent with a static 1997-vintage fee table and is flagged here rather than silently reconciled; Colorado is a home-rule state with no statewide-mandated building code edition; Gilcrest is a statutory (non-home-rule) town, so its own municipal code and adopted-code ordinance govern. The Town's Municipal Code (hosted on Municode) is not independently confirmed here as a supplementary source for code-adoption ordinance language — see tipsAndGotchas.; HB22-1362 statewide energy code floor (2021 IECC + electric-readiness/EV-ready/solar-ready requirements, effective window July 2023-July 2026): no Town-published document reviewed states an adopted IECC edition or references HB22-1362 compliance; the 2018 IRC guide series (Home Additions, Accessory Structures) does reference 'Energy Code Compliance Report (www.energycodes.gov) or REScheck calculations' as a required submittal item, which points toward some energy-code enforcement in practice, but no specific IECC edition or HB22-1362 statement was found in any Gilcrest-published source. This should be treated as an open item pending direct confirmation from the Building Department (970-737-2426) rather than assumed either way.; International Building Code, 2018 edition — adopted at Municipal Code Sec. 18-1 (Chapters 1 through 35 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com, codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Residential Code, 2018 edition — adopted at Municipal Code Sec. 18-21 (Chapters 1 through 43 inclusive). See Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com. Codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Mechanical Code, 2018 edition — adopted at Municipal Code Sec. 18-61 (Chapters 1 through 15 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations), library.municode.com. Codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Plumbing Code, 2018 edition — adopted at Municipal Code Sec. 18-71 (Chapters 1 through 13 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com, codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Fuel Gas Code, 2018 edition — adopted at Municipal Code Sec. 18-101 (Chapters 1 through 8 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com, codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Fire Code, 2012 edition — adopted at Municipal Code Sec. 18-201, including Appendices. Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com, codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Existing Building Code, 2018 edition — adopted at Municipal Code Sec. 18-301 (Chapters 1 through 16 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations), on library.municode.com. Codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Property Maintenance Code, 2018 edition — adopted at Municipal Code Sec. 18-401 (Chapters 1 through 8 inclusive). Gilcrest Municipal Code Chapter 18 (Building Regulations) on library.municode.com, codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Energy Conservation Code, 2021 edition — adopted at Municipal Code Sec. 18-501, within Gilcrest Municipal Code Chapter 18 (Building Regulations) as codified on library.municode.com. Codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; International Swimming Pool and Spa Code, 2018 edition — adopted at Municipal Code Sec. 18-551 (Chapters 1 through 11 inclusive), Gilcrest Municipal Code Chapter 18 (Building Regulations). Codified through Ordinance No. 2023-06, adopted 2023-08-07 (Supplement 25).; The IBC, IECC, IMC, IPC, and IFGC are each adopted, by section, in Municipal Code Chapter 18 (library.municode.com). The Fire Code edition is worth noting separately: 2012, while every other adopted code is 2018 or 2021.. Local amendments apply — see the Gilcrest overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

Fee schedules

Checklists & handouts

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

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