ADUs are allowed in EatonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Eaton, CO
Is your property eligible for an ADU?
# of Properties
3,468
Owner-occupied
91%
Zoning districts
15
Avg Home Value
$464,135
Median Lot Size
0.20 acres
Avg Income
$109,672
Residential Types:
3,468 housing units
Residential
100%
Zoning Districts:
10,659 parcels · 15 districts
PUD
46%(4,867)
R-1
25%(2,651)
A
13%(1,427)
R-2
10%(1,030)
Other
6%(684)
ADU Rules
What can you build in Eaton, CO?
Eaton, 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
Detached ADU Size Limits
- –Maximum size of 30% of the principal structure’s gross floor area (accessory-use cap).
- –Maximum size of 35% of the finished living area on the lot in R-1, R-3, R-EH, R-MU, and C-1 districts.
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –Minimum 1 off-street space per ADU; no max. Exceptions: in R-1, carriage houses require at least one off-street space per dwelling unit and are exempt from dimensional requirements; otherwise townwide standards apply (1.5 spaces per studio/1BR, 2 per 2BR+, plus 1 guest space per 5 units).
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