ADUs are allowed in Little ElmTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Little Elm, TX
Is your property eligible for an ADU?
# of Properties
2
Zoning districts
18
Zoning Districts:
5,629 parcels · 18 districts
SF4
29%(1,624)
A2
22%(1,228)
A1
16%(910)
SF1
12%(666)
Other
21%(1,201)
ADU Rules
What can you build in Little Elm, TX?
Little Elm, 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 1,200 sq ft
- –Maximum ADU size of 50% of the primary residence’s gross floor area
Detached ADU Size Limits
- –Maximum size is the smaller of 1,200 sq ft or 50% of the primary residence.
Max Units
- –SF-RE: 1 ADU per lot
- –Other SF districts: 0 ADUs per lot
Owner Occupancy
- –ADUs do not require owner occupancy
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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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.
Denton County