Permitting Authorities / Town of Jamestown - Permits and Land Use (building permits delegated to Boulder County)

Do you need a permit to replace a roof in Jamestown, CO?

Adopted code

Town of Jamestown - Permits and Land Use (building permits delegated to Boulder County)

The Town of Jamestown, a statutory town in Boulder County, explicitly delegates building permit issuance to Boulder County rather than administering its own building code. The Town's "Permits & Land Use Information" page directs residents to Boulder County for building permits (new construction, remodels, electrical, plumbing), burn permits, septic permits, and deconstruction permits; the Town itself issues driveway permits, floodplain development permits, and town facilities usage agreements.

Jurisdiction
Town of Jamestown, Colorado
Jurisdiction type
city
Address
118 Main Street, Jamestown, CO 80455
Contact
Contractor registration required
Not required
Permit process note
The Town's Permits & Land Use Information page states: "Learn how to attain a permit for any of the following: Building Permit (new construction / remodels / electrical / plumbing): Boulder County. Burn Permit (Slash, etc.): Boulder County. Deconstruction Permit: Boulder County. Driveway Permit: Jamestown - Please contact the Town Clerk for information. Floodplain Development Permit: Jamestown. Septic Permit: Boulder County." Building permits are routed to Boulder County, which administers them in the Town under an intergovernmental agreement dated December 29, 1997. The code those permits are reviewed against is the Town's own: Jamestown adopts its building code from Boulder County by named instrument, and Ordinance 3, Series 2011 § 2 authorizes the county to enforce that ordinance in the Town.
Adopted code
2009 International Building Code (Model Codes) together with Exhibit A to Boulder County Commissioners Resolution 2010-138, adopted by Town of Jamestown Ordinance 3, Series 2011, and amended by Ordinance 2, Series 2014 and Ordinance 09-03, 2022, which additionally adopts enumerated sections R327.1 through R327.5.13 of Boulder County's June 6, 2022 amendments. Building permits are administered by Boulder County under an intergovernmental agreement dated December 29, 1997; verify the current adopted edition and amendments with the county.
Impact-resistant roofing
Not required — Jamestown adopts its building code from Boulder County by named instrument and delegates permit administration to the county under an intergovernmental agreement dated December 29, 1997, which Boulder County's own Building FAQ affirms ("we do have an agreement with Jamestown to review building permits"). Ordinance 3, Series 2011 adopts the 2009 International Building Code (Model Codes) together with Exhibit A to Boulder County Commissioners Resolution 2010-138, the county's 2009-code amendment set effective January 1, 2011; Ordinance 2, Series 2014 clarifies energy and fire-sprinkler provisions; and Ordinance 09-03, 2022, which repealed Ordinance 07-02, 2022, additionally adopts enumerated sections R327.1 through R327.5.13 of the county's June 6, 2022 amendments, all concerning ignition-resistant construction in wildfire zones. None of these instruments requires impact-resistant roof coverings or names a UL 2218, FM 4473 or Class 4 standard: Resolution 2010-138's roof-covering amendments concern fire classification and roof drainage, and adopted Section R327.5.1 requires a Class A roof covering or assembly in Wildfire Zone 2 - a fire classification, independent of impact rating. Boulder County's current Class 4 impact-resistance amendment (IBC Section 1504.8.1 and IRC Section R905.2.4.2, first adopted in the county's March 31, 2025 amendments) applies by its terms to unincorporated Boulder County and has not been adopted by any Jamestown ordinance. Building permits in Jamestown are reviewed by Boulder County under the intergovernmental agreement; verify current requirements with the county at permit time. Separately, the Colorado Wildfire Resiliency Code (8 CCR 1507-39, effective July 1, 2026), the statewide minimum in areas designated wildland-urban interface under that code, requires a Class A roof covering tested to ASTM E108 or UL 790 on reroofs replacing 25 percent or more of the roof surface - likewise a fire classification independent of impact rating, containing no impact-resistance requirement.
Sales & use tax
5.335% combined: 2.9% Colorado state, 1.335% Boulder County, 1% Regional Transportation District (RTD), and 0.1% Scientific and Cultural Facilities District (SCFD). The Town of Jamestown levies no municipal sales tax of its own -- it appears on neither the DR 1002 state-collected city list nor the home-rule self-collected list. Boulder County's RTD and SCFD boundaries apply county-wide with no partial-area carve-out, so both reach Jamestown.

Sources

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Roofing questions — Jamestown, CO

Do roofing contractors need a license or registration in Jamestown, CO?

Not required.

What building code does Jamestown, CO use?

2009 International Building Code (Model Codes) together with Exhibit A to Boulder County Commissioners Resolution 2010-138, adopted by Town of Jamestown Ordinance 3, Series 2011, and amended by Ordinance 2, Series 2014 and Ordinance 09-03, 2022, which additionally adopts enumerated sections R327.1 through R327.5.13 of Boulder County's June 6, 2022 amendments. Building permits are administered by Boulder County under an intergovernmental agreement dated December 29, 1997; verify the current adopted edition and amendments with the county.