ADUs are allowed in SheridanTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Sheridan, CO
Is your property eligible for an ADU?
# of Properties
1,569
Owner-occupied
76%
Zoning districts
14
Avg Home Value
$641,248
Median Lot Size
0.14 acres
Avg Income
$63,142
Residential Types:
1,569 housing units
Single Family
85%
2-3 Family
2%
Apts (4+ units)
5%
Other
8%
Zoning Districts:
1,955 parcels · 14 districts
RES-SF
38%(735)
RES-SFLL
17%(330)
COM-C
10%(187)
BUS-1
9%(181)
Other
27%(522)
ADU Rules
What can you build in Sheridan, CO?
Sheridan, 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 for interior (in-home) or attached ADU: 800 sq ft
Detached ADU Size Limits
- –Maximum size of 800 sq ft for detached ADU on lots up to and including 10,000 sq ft
- –Maximum size of 1,000 sq ft for detached ADU on lots over 10,000 sq ft
Max Units
- –Single-family: 1 ADU/lot
- –Duplex or multifamily: 0 ADUs
Parking
- –0 spaces; up to 1 space only if (a)-(c) are met; may designate an existing on-site space; otherwise off-street parking not required
Rental Restrictions
- –Short-term rentals: Only one license per property with an ADU; may be issued for the ADU or the primary dwelling, but not both.
- –Long-term rentals: Leases over 30 days allowed; up to two long-term licenses per property; separate business license required for each rental.
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.
Arapahoe County