ADUs are allowed in Unincorporated WeldTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Weld, CO
Is your property eligible for an ADU?
# of Properties
16,790
Owner-occupied
83%
Zoning districts
58
Avg Home Value
$456,298
Median Lot Size
2.15 acres
Avg Income
$101,943
Residential Types:
16,790 housing units
Residential
100%
Zoning Districts:
90,277 parcels · 58 districts
A
79%(71,166)
R-5
4%(3,841)
R-1/PUD
3%(2,757)
PUD
3%(2,452)
Other
11%(10,061)
ADU Rules
What can you build in Unincorporated Weld, CO?
Unincorporated Weld, CO follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Max Units
- –Single-family: 1 ADU per lot (attached/detached/internal)
- –Duplex: 0 ADUs
Parking
- –No ADU-specific parking minimums or maximums; general off-street standards apply countywide; ADUs must use existing driveway access (no new access permits).
ADU State Law
What can you build in Colorado?
- –ADUs must be approved based on objective standards; no discretionary hearings allowed.
- –Historic properties: Local historic review may still apply in designated historic districts.
- –Exempt parcels: ADUs are not required to be allowed on parcels without adequate water/sewer, in floodways, or on certain historic properties.
- –HOAs cannot prohibit ADUs: HOA rules that conflict with the state ADU law are void.
- –Parking exceptions exist: In rare cases, one parking space may be required if there is no existing off-street parking and on-street parking is prohibited.
- –Local rules still matter: Building code, fire code, utility capacity, and life-safety standards still apply.
- –More permissive is allowed: Municipalities may allow larger ADUs, multiple ADUs, or additional housing types beyond what the state requires.
- –Local zoning controls whether ADUs are allowed at all.
- –HOA rules may still apply.
- –More permissive local rules are allowed.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Colorado municipalities
Rules change at the town line. Check the municipality your property is actually in.
Weld County
Browse addresses by ZIP in Unincorporated Weld
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