ADUs are allowed in Unincorporated La PlataTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated La Plata, CO
Is your property eligible for an ADU?
# of Properties
17,410
Owner-occupied
55%
Zoning districts
25
Avg Home Value
$652,804
Median Lot Size
1.42 acres
Avg Income
$90,962
Residential Types:
17,410 housing units
Other
100%
Zoning Districts:
142 parcels · 25 districts
RH
17%(24)
RA
15%(22)
OS
13%(18)
PD
10%(14)
Other
45%(64)
ADU Rules
What can you build in Unincorporated La Plata, CO?
Unincorporated La Plata, 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
Interior / Attached ADU Size Limits
- –Maximum size of 1000 sq ft
Detached ADU Size Limits
- –Maximum detached ADU size of 1,000 sq ft
Max Units
- –2nd and 3rd dwelling units allowed on a lot through specified review processes; 4th or more dwelling units require a major land use permit.
Parking
- –2 spaces/ADU; no ADU-specific standard; default residential standard applies; additional off-street parking required to serve the ADU; rounding per Sec. 70-18.IV.
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.
La Plata County