ADUs are allowed in Unincorporated ElbertTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Elbert, CO
Is your property eligible for an ADU?
# of Properties
10,270
Owner-occupied
72%
Zoning districts
24
Avg Home Value
$589,259
Median Lot Size
3.26 acres
Avg Income
$147,983
Residential Types:
10,270 housing units
Residential
100%
Zoning Districts:
15,904 parcels · 24 districts
PUD
36%(5,756)
A
33%(5,239)
RA-1
16%(2,597)
RA-2
3%(509)
Other
11%(1,803)
ADU Rules
What can you build in Unincorporated Elbert, CO?
Unincorporated Elbert, 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
- –For integrated/attached ADUs: under 10 acres, max 1,200 sq ft; 10–<20 acres, max 1,800 sq ft; in both cases, not larger than the primary dwelling. Lots 20 acres or more have no size limit.
Detached ADU Size Limits
- –Maximum ADU size: 1,200 sq ft on lots under 10 acres; 1,800 sq ft on lots 10 to under 20 acres; on lots under 20 acres the ADU also may not exceed the size of the primary dwelling; no size limit on lots 20 acres or larger.
Max Units
- –Single-family: max 1 ADU per lot (attached or detached).
Owner Occupancy
- –Owner occupancy not required for ADU.
Parking
- –No ADU-specific parking minimum or maximum; ADU must share the primary dwelling's driveway; general off-street parking standards apply countywide.
Rental Restrictions
- –Short-term rentals limited to 1–29 days; occupancy capped at 1 family per ADU.
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.
Elbert County