Tarrant County, Texas

Arlington — Development Guide

What can you build in Arlington? ADU eligibility, setback requirements, building codes, and development potential for residential properties.

Arlington at a Glance

394.2K

Population

Parcels

Median Lot

Median Assessed

Building Code Requirements

These are the key dimensions and limits that govern what you can build in Arlington. Every project — whether it's a new home, ADU, remodel, or addition — must comply with these requirements.

35'

Max Height

25'

Front Setback

8'

Side Setback

25'

Rear Setback

40%

Lot Coverage

2

Parking / Unit

Values shown are for standard single-family residential zones. Multi-family zones, commercial zones, and overlay districts have different requirements. View all Arlington zone tables →

What You Can Build in Arlington

Texas has no statewide housing density laws — development rules are set entirely by Arlington's local code. Here's what governs residential construction in your area.

ADU Rules — Local Regulation

City Code

Texas has no statewide ADU law — rules are set entirely by local zoning code. ADU allowances vary by zoning district and may require conditional use permits, owner occupancy, or minimum lot sizes. Check your specific zone for ADU eligibility.

City-regulatedNo state preemptionVaries by zone

Texas Building Standards

IBC/IRC

Construction follows the International Building Code (IBC) and International Residential Code (IRC) as locally adopted. Texas does not have a mandatory statewide building code — each city adopts and enforces its own version with local amendments.

IBC/IRC locally adoptedCity-level enforcementLocal amendments apply

Frequently Asked Questions

Can I build an ADU in Arlington, TX? +

ADU rules in Texas are set at the city level — there's no statewide ADU law. Arlington may allow ADUs in some or all residential zones. Check Arlington's local zoning code or use LotCheck to analyze your specific property.

Does Arlington have zoning? +

Yes. Arlington uses a traditional zoning code with residential districts that regulate lot size, setbacks, height, and density.

What building code does Arlington use? +

Arlington follows the International Building Code (IBC) and International Residential Code (IRC) as adopted locally. Texas has no mandatory statewide building code — cities adopt and enforce codes with local amendments.

What does an ADU cost to build in Tarrant County? +

ADU construction in Tarrant County, TX typically ranges from $80,000 to $300,000 depending on size, finishes, and site conditions. Texas's lower labor and material costs often make ADU construction more affordable than coastal states.