ADUs are allowed in CenterTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Center, CO
Is your property eligible for an ADU?
# of Properties
63
Owner-occupied
30%
Zoning districts
2
Avg Home Value
$68,013
Median Lot Size
0.28 acres
Avg Income
$48,020
Residential Types:
63 housing units
Single Family
90%
2-3 Family
2%
Apts (4+ units)
2%
Other
6%
Zoning Districts:
4 parcels · 2 districts
AR
75%(3)
RR
25%(1)
ADU Rules
What can you build in Center, CO?
Center, 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 is 30% of the principal building’s floor area for an internal/attached ADU (entire basement or garden level may be used regardless of size).
Detached ADU Size Limits
- –Maximum 600 sq ft for a detached ADU, allowed only on lots of at least 7,000 sq ft.
Parking
- –No ADU parking minimum or maximum; commercial district exempt from off-street parking; if parking is provided for the dwelling, it must be on the same lot as the dwelling.
Rental Restrictions
- –Any unit on a lot with an ADU requires a minimum 90-day lease; short-term rentals (<30 days) are prohibited.
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.
Saguache County