ADUs are allowed in Green Mountain FallsTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Green Mountain Falls, CO
Is your property eligible for an ADU?
# of Properties
618
Owner-occupied
11%
Zoning districts
6
Avg Home Value
$348,725
Median Lot Size
0.22 acres
Avg Income
$68,196
Residential Types:
618 housing units
Single Family
78%
2-3 Family
1%
Apts (4+ units)
2%
Other
19%
Zoning Districts:
688 parcels · 6 districts
R-1
91%(628)
MX-1
5%(36)
R-2
2%(13)
O
1%(7)
Other
1%(4)
ADU Rules
What can you build in Green Mountain Falls, CO?
Green Mountain Falls, 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 gross floor area of 1,000 sq ft for an internal or attached accessory dwelling unit
Detached ADU Size Limits
- –Maximum ADU gross floor area of 1,000 sq ft
Max Units
- –1 ADU per lot
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space per ADU; no max; 25% shared parking reduction allowed with staff approval
Rental Restrictions
- –Short-term rentals require a permit; outdoor wood-burning fire pits are prohibited for all short-term rentals.
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.
El Paso County