ADUs are allowed in South ForkTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for South Fork, CO
Is your property eligible for an ADU?
# of Parcels
1,291
Zoning districts
8
Zoning Districts:
1,310 parcels · 8 districts
R
77%(1,014)
C
14%(177)
MDR
7%(91)
MP/P
1%(12)
Other
1%(16)
ADU Rules
What can you build in South Fork, CO?
South Fork, 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
Parking
- –ADUs not listed; required off-street parking determined by the Board after Planning Commission recommendation; reductions and shared/joint parking may be approved.
Rental Restrictions
- –Detached ADU: renting prohibited (guesthouse use only; no charge). Short-term rentals require STR permit and caps.
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.
Rio Grande County