ADUs are allowed in BennettTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Bennett, CO
Is your property eligible for an ADU?
# of Properties
1,644
Owner-occupied
85%
Zoning districts
12
Avg Home Value
$435,267
Median Lot Size
0.14 acres
Avg Income
$102,429
Residential Types:
1,644 housing units
Single Family
11%
Other
89%
Zoning Districts:
3,089 parcels · 12 districts
PD
43%(1,331)
R-1
20%(619)
R-2
18%(556)
RE
6%(193)
Other
13%(390)
ADU Rules
What can you build in Bennett, CO?
Bennett, 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 of 1,000 sq ft
- –Maximum size of 40% of the principal building’s total floor area (excluding garage)
Detached ADU Size Limits
- –Maximum of 1,000 sq ft or 40% of the principal building’s total floor area (excluding garage), whichever is less.
Max Units
- –1 ADU per lot for detached single-family (R-1/R-2)
- –Duplex/multifamily: none specified
Owner Occupancy
- –Owner must occupy either the principal or ADU
Parking
- –1 space/ADU; no max specified; no transit waivers
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Colorado municipalities
Rules change at the town line. Check the municipality your property is actually in.
Arapahoe County