The Roofing Book

Permitting Authorities / Delta County Planning and Community Development

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

Adopted code

Delta County Planning and Community Development

No — Delta County, CO does not require a permit for like-for-like roof replacement (Delta County Planning and Community Development). Building permits are generally not required in the unincorporated areas of Delta County, which has not adopted building codes; development must instead comply with standards in the Delta County Land Use Code. Exceptions: development within the Highway 92 Overlay or the Highway 50 Overlay requires a building permit. Electrical and plumbing work requires permits from the State Department of Regulatory Agencies, Division of Professions and Occupations.

Jurisdiction
Delta County, Colorado
Jurisdiction type
county
Address
Delta, CO
Contact
  • url: https://www.deltacountyco.gov/126/Permit-Information
Roofing permit required
Not required
Contractor registration required
Not required
Permit process note
Building permits are generally not required in the unincorporated areas of Delta County, which has not adopted building codes; development must instead comply with standards in the Delta County Land Use Code. Exceptions: development within the Highway 92 Overlay or the Highway 50 Overlay requires a building permit. Electrical and plumbing work requires permits from the State Department of Regulatory Agencies, Division of Professions and Occupations.
Inspection requirements
Within the Highway 92 and Highway 50 Overlay Districts, where building permits are required, the county requires inspections to be performed by an ICC certified building inspector registered with a municipality or county in the State of Colorado.
Adopted code
Delta County has not adopted building codes in the unincorporated areas of the county. In the Highway 92 and Highway 50 Overlay Districts, development must comply with the 2003 International Building Code.
Drip edge
Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county imposes no drip edge requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own drip edge provisions. About drip edge
Ice & water shield
Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county imposes no ice-and-water-shield membrane requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own ice-barrier provisions. About ice & water barrier
Mid-roof inspection
Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County requires no building permit and performs no inspections for construction in the unincorporated area, so no mid-roof inspection occurs there. Within the two overlay districts, the county requires an ICC-certified building inspector to sign a Certificate of Inspection Completion before development is finaled, but the county's own page describes only that completion inspection and does not describe a separate mid-roof or dry-in inspection stage.
Impact-resistant roofing
Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county has no impact-resistant (UL 2218 / Class 4) roofing requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own provisions, and neither county page mentions an impact-resistance or hail-rating requirement. The only statewide instrument reaching reroofing is the Colorado Wildfire Resiliency Code, 8 CCR 1507-39, effective July 1, 2026 in areas designated wildland-urban interface under that code, which requires a Class A roof covering tested to ASTM E108 or UL 790 where 25 percent or more of the roof surface is replaced, at Sections 101.6 and 403.2; that is a fire classification independent of impact rating, and the code sets no impact-resistance requirement.
Repair permit threshold
Delta County requires no building permit for any construction, including roof repair or replacement, in the unincorporated area outside the Highway 92 and Highway 50 Overlay Districts, so no dollar or percentage threshold triggers a permit there. Within those two overlay districts, development requires a building permit under the 2003 International Building Code (Highway 92 Overlay District, Resolution 2006-R-016; Highway 50 Overlay District, Ordinance 2009-01 and Resolution 2009-R-055); the county's own pages do not state a threshold distinguishing minor roof repair from full replacement within those districts.
Wind design criteria
Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area and publishes no wind design criteria for roofing there; the county's own page directs snow-load and other construction questions to a registered professional engineer or contractor rather than stating a value itself. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own wind design provisions.
Roof layer limit / recover
Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so no county-enforced limit on the number of roof covering layers applies there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own provisions on roof covering layers.
Deck & sheathing requirements
Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county imposes no deck sheathing requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own deck sheathing provisions.
Sales & use tax
4.9% combined (state 2.9% + Delta County 2%; no city portion, as this figure applies to unincorporated Delta County; no RTD/SCFD/RTA district — Delta County is outside the San Miguel Authority for Regional Transportation boundary, which per DR 1002 covers only Mountain Village and Telluride city limits and part of unincorporated San Miguel County). Per CO DOR DR 1002 (rev. 06/19/19, a 2019/2020-vintage publication), the "State-Collected Colorado County Sales Tax" table prints Delta County's row as "2% / 3.33% [service fee] / E,F [exemptions] / None [use tax]." No live County finance page stating the current rate was found to corroborate against; the County's own Building/Land-Use/Subdivision page (read in full above) does not separately state a sales-tax rate. Re-verified 2026-08-27 against the January 2026 edition of Colorado Department of Revenue form DR 1002, read from a rendered image of its tables rather than from extracted text: the state, county and city figures above match that edition exactly. Where the text above names the June 19, 2019 revision of DR 1002, that describes the edition the figure was originally taken from and is not a current citation.

Related guides

Denver-Metro Roofing Permits Filing a Hail Insurance Claim Colorado Hail Season Prep Hiring a Contractor Hail-Belt Rules by State

Delta County, Colorado has adopted a Land Use Code but has not adopted building codes in the unincorporated areas of the county. Generally, no building permits are required and no certificates of occupancy are issued for construction in unincorporated Delta County, with the exception of the Highway 92 and Highway 50 Overlay Districts, where development requires a building permit. Roofing work in the unincorporated county is therefore not subject to a county reroof permit outside those overlay districts, though development must still comply with Land Use Code standards.

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Roofing questions — Delta County, CO

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

Not required. Delta County requires no building permit for any construction, including roof repair or replacement, in the unincorporated area outside the Highway 92 and Highway 50 Overlay Districts, so no dollar or percentage threshold triggers a permit there. Within those two overlay districts, development requires a building permit under the 2003 International Building Code (Highway 92 Overlay District, Resolution 2006-R-016; Highway 50 Overlay District, Ordinance 2009-01 and Resolution 2009-R-055); the county's own pages do not state a threshold distinguishing minor roof repair from full replacement within those districts.

Is ice & water shield required in Delta County, CO?

Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county imposes no ice-and-water-shield membrane requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own ice-barrier provisions..

Is drip edge required?

Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County has not adopted building codes for the unincorporated area, so the county imposes no drip edge requirement there. Within the two overlay districts, development is subject to the 2003 International Building Code (Resolution 2006-R-016 for Highway 92; Ordinance 2009-01 and Resolution 2009-R-055 for Highway 50); this record does not characterize the 2003 IBC's own drip edge provisions..

Is a mid-roof inspection required?

Not required — Outside the Highway 92 and Highway 50 Overlay Districts, Delta County requires no building permit and performs no inspections for construction in the unincorporated area, so no mid-roof inspection occurs there. Within the two overlay districts, the county requires an ICC-certified building inspector to sign a Certificate of Inspection Completion before development is finaled, but the county's own page describes only that completion inspection and does not describe a separate mid-roof or dry-in inspection stage..

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

Not required.

What building code does Delta County, CO use?

Delta County has not adopted building codes in the unincorporated areas of the county. In the Highway 92 and Highway 50 Overlay Districts, development must comply with the 2003 International Building Code.