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ADUs are allowed in La Marque
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Accessory Dwelling Unit (ADU) Rules for La Marque, TX

Is your property eligible for an ADU?

# of Properties
8,217
Owner-occupied
64%
Zoning districts
17
Avg Home Value
$196,264
Median Lot Size
0.20 acres
Avg Income
$73,563
Residential Types:
8,217 housing units
Single Family
2%
Condos
3%
Other
94%
Zoning Districts:
9,804 parcels · 17 districts
R-1
75%(7,350)
PUD
7%(725)
C-1
5%(458)
C-4
4%(395)
Other
9%(876)

ADU Rules

What can you build in La Marque, TX?

La Marque, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • TND: Maximum size is 50% of the main structure’s floor area.

Max Units

  • 0 ADUs per lot in base zoning districts outside the TND.

Owner Occupancy

  • Owner-occupancy not required

Parking

  • 1 space/ADU in the TND; outside TND no minimum. On-street parking allowed in designated areas in addition to the minimum.

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.

Galveston County

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