ADUs are allowed in HudsonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Hudson, CO
Is your property eligible for an ADU?
# of Properties
905
Owner-occupied
61%
Zoning districts
18
Avg Home Value
$383,335
Median Lot Size
0.22 acres
Avg Income
$79,677
Residential Types:
905 housing units
Residential
100%
Zoning Districts:
3,183 parcels · 18 districts
R-1
32%(1,033)
A
20%(621)
PD
11%(365)
R-T
9%(298)
Other
27%(866)
ADU Rules
What can you build in Hudson, CO?
Hudson, 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 for an internal or attached ADU
- –ADU must be smaller than the primary dwelling’s total floor area
Detached ADU Size Limits
- –Maximum ADU size of 1,000 sq ft
- –ADU must be smaller in size than the primary residence
Max Units
- –1 ADU per primary residence on single-family lots.
Owner Occupancy
- –Owner must permanently occupy the ADU or primary residence.
Parking
- –0 spaces per ADU; no max; for garage conversions, replace the primary-residence parking on-site and cannot eliminate the one required on-site space for the primary residence; replacement parking may be on-site.
Rental Restrictions
- –Renting allowed only if the owner occupies either the primary residence or the ADU; if neither is occupied, the ADU shall not be rented.
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