ADUs are allowed in NorthlakeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Northlake, TX
Is your property eligible for an ADU?
# of Properties
31
Owner-occupied
8%
Zoning districts
18
Avg Home Value
$1,793,106
Median Lot Size
5.37 acres
Avg Income
$140,831
Residential Types:
31 housing units
Single Family
13%
Other
87%
Zoning Districts:
4,878 parcels · 18 districts
M-PD
88%(4,295)
RR
5%(231)
RE-PD
3%(151)
RE
1%(64)
Other
3%(137)
ADU Rules
What can you build in Northlake, TX?
Northlake, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Special Permit
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –In RE, the maximum internal or attached ADU size is the lesser of 50% of the main dwelling’s floor area and 1,200 sq ft.
- –In RR/CRO, internal or shared-wall attached ADUs are not permitted (maximum size 0 sq ft).
- –In MU, ADUs require a Special Use Permit and their size is set by the applicable PD-MU ordinance (no townwide numeric cap).
Detached ADU Size Limits
- –Maximum ADU size: RR and CRO allow up to 60% of the main dwelling’s floor area; RE allows up to 50% of the main dwelling’s floor area, capped at 1,200 sq ft.
Max Units
- –RR/CRO: less than 20 acres — 1 ADU per lot; 20+ acres — 1 additional main dwelling per 20 acres, with 1 ADU per main dwelling. RE: 1 ADU per lot
Owner Occupancy
- –Owner-occupancy is not required
Parking
- –2 spaces/ADU; max not stated; general rules apply: off-street parking on the same site; ROW parking not counted
Rental Restrictions
- –RR/CRO: Renting an ADU is expressly prohibited (detached and attached ADUs).
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