ADUs are allowed in DickinsonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Dickinson, TX
Is your property eligible for an ADU?
# of Properties
5,300
Owner-occupied
75%
Zoning districts
16
Avg Home Value
$278,263
Median Lot Size
0.23 acres
Avg Income
$99,471
Residential Types:
5,300 housing units
Single Family
3%
Condos
2%
Other
94%
Zoning Districts:
6,340 parcels · 16 districts
NC
58%(3,664)
GR
17%(1,106)
UT
8%(520)
DT
5%(310)
Other
12%(740)
ADU Rules
What can you build in Dickinson, TX?
Dickinson, TX 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 ADU size of 600 sq ft in RR and CR districts.
Detached ADU Size Limits
- –Maximum size of 600 sq ft for accessory dwelling units in RR and CR districts
Parking
- –1 space per ADU (in addition to the 2 spaces required for the primary dwelling); ADUs permitted only in RR/CR districts and must provide one additional parking space for the ADU; no transit-based reductions or waivers.
Rental Restrictions
- –Short-term rentals permitted only by SUP in RR/CR; on-street parking prohibited; 2 parking spaces plus 1 per room rented; SUP may set occupancy limits and rental regulations.
ADU State Law
What can you build in Texas?
- –Texas does not have a statewide ADU law. ADUs are regulated entirely at the local level.
- –ADU rules vary significantly by city, and many jurisdictions prohibit ADUs outright.
- –Counties generally lack zoning authority, but other restrictions may still apply outside city limits.
- –Outside city limits, ADU feasibility often depends on subdivision rules, deed restrictions, and septic or fire requirements.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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 Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Galveston County