ADUs are allowed in TrinidadTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Trinidad, CO
Is your property eligible for an ADU?
# of Properties
4,079
Owner-occupied
35%
Zoning districts
45
Avg Home Value
$112,881
Median Lot Size
0.17 acres
Avg Income
$55,414
Residential Types:
4,079 housing units
Single Family
78%
Apts (4+ units)
1%
Other
21%
Zoning Districts:
5,186 parcels · 45 districts
E-LDR
30%(1,564)
PUD
12%(627)
G-LDR
11%(589)
R-LDR
10%(504)
Other
37%(1,902)
ADU Rules
What can you build in Trinidad, CO?
Trinidad, 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 40% of the primary dwelling’s residential floor area for attached or internal ADUs
Detached ADU Size Limits
- –Maximum detached ADU size is the lesser of 1,000 sq ft or 40% of the primary dwelling’s residential floor area
- –With administrative adjustment, the maximum may increase by up to 10% (lesser of 1,100 sq ft or 44% of the primary dwelling’s residential floor area)
Max Units
- –1 ADU per principal structure (single-family)
- –1 ADU per principal structure (two-family/duplex)
- –ADUs not permitted in multifamily
Owner Occupancy
- –ADU must remain under the same ownership as the principal dwelling.
Parking
- –1 space/ADU; max none; HP District: no off-street parking required; parking must be on the same lot and not in front or street setbacks; driveway spaces do not count; abutting on-street spaces may be credited toward the minimum at the Director’s discretion.
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.
Las Animas County