

ADUs are allowed in LochbuieTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lochbuie, CO
Is your property eligible for an ADU?
# of Properties
6,895
Owner-occupied
88%
Zoning districts
8
Avg Home Value
$263,290
Median Lot Size
0.14 acres
Avg Income
$115,450
Residential Types:
6,895 housing units
Residential
100%
Zoning Districts:
16,288 parcels · 8 districts
PUD
85%(13,782)
R-1
11%(1,729)
RR
3%(514)
MU
1%(228)
Other
0%(35)
ADU Rules
What can you build in Lochbuie, CO?
Lochbuie, 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 floor area (excluding garage)
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft
- –Maximum size of 40% of the principal building’s total floor area (excluding garage area)
Max Units
- –1 ADU per lot (A/RR detached single-family dwelling)
Owner Occupancy
- –Owner must occupy either the principal building or the ADU
Parking
- –1 space per ADU (off-street, in addition to principal). Exceptions: private driveway/garage/carport or other off-street area; Town Administrator may modify or defer required spaces and may allow shared parking where criteria are met.
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