ADUs are allowed in LovelandTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Loveland, CO
Is your property eligible for an ADU?
# of Properties
32,407
Owner-occupied
77%
Zoning districts
253
Median Lot Size
0.17 acres
Avg Income
$91,438
Residential Types:
32,407 housing units
Apts (4+ units)
2%
Other
98%
Zoning Districts:
42,650 parcels · 253 districts
R1
17%(7,248)
R1E
10%(4,150)
R3
8%(3,454)
R3E
5%(2,321)
Other
60%(25,477)
ADU Rules
What can you build in Loveland, CO?
Loveland, 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 900 sq ft; on lots 10,800 sq ft or larger, this may increase to 50% of the principal dwelling’s total floor area if added standards are satisfied.
Detached ADU Size Limits
- –Maximum size of 900 sq ft; on certain large-lot types may be up to 50% of the principal dwelling’s floor area.
Max Units
- –Single-family detached lots: 1 ADU/lot (attached or detached)
Owner Occupancy
- –No owner-occupancy requirement for ADUs
Parking
- –0 spaces per ADU; off-street parking not required. If parking is provided, it must comply with the city's general parking design standards.
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.
Larimer County