ADUs are allowed in CelinaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Celina, TX
Is your property eligible for an ADU?
# of Properties
31
Owner-occupied
16%
Zoning districts
31
Avg Home Value
$1,032
Median Lot Size
0.30 acres
Avg Income
$154,306
Residential Types:
31 housing units
M4
100%
Zoning Districts:
2,209 parcels · 31 districts
DTC
39%(857)
PD-1
14%(307)
SF-E
12%(259)
SF-7.5
11%(233)
Other
25%(553)
ADU Rules
What can you build in Celina, TX?
Celina, 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 is 800 sq ft on lots under 1/2 acre and 1,200 sq ft on lots 1/2 acre or larger.
Detached ADU Size Limits
- –Maximum detached ADU size: 800 sq ft on lots under 1/2 acre; 1,200 sq ft on lots 1/2 acre or larger.
- –Total accessory-structure cap that also limits a detached ADU: under 1 acre, the greater of 600 sq ft or 25% of the house; 4,000 sq ft for 1–<3 acres; 10,000 sq ft for 3+ acres.
Max Units
- –AG, SF-E, OT: 1 ADU per lot (incl. garage ADU or servant/caretaker quarters).
- –All other zones: 0 ADUs.
Owner Occupancy
- –ADU occupancy limited to residents/guests of the primary structure
Rental Restrictions
- –ADUs shall not be rented or sublet; no short-term (<30 days) or long-term rentals allowed
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.
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ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Collin County