Accessory dwelling unit cost — Arlington, TX

Looking for accessory dwelling unit cost in Arlington, TX? Call AccessoryDwellingUnit Pros for a contact a provider — no obligation. Licensed adu builders serve Arlington and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU is a custom project, so costs vary based on your specific choices. Site conditions are the biggest factor; if your land requires significant grading, utility extensions, or foundation work, those expenses add up quickly. Choosing high-end finishes, custom cabinetry, or complex roof lines will also push the budget higher compared to a standard design. Prefabricated units often offer predictable costs, while custom site-built structures allow for more flexibility but can be harder to estimate upfront. Exact pricing confirmed free on the call.

About this service

The total cost for an ADU depends on whether you are building a new detached structure, converting an existing garage, or adding an attached unit. Factors like plumbing installation, electrical panel upgrades, and custom interior finishes drive the final investment. Understanding these variables early helps you determine the feasibility of your project. Exact pricing confirmed free on the call.

Frequently asked in Arlington

What are the disadvantages of ADUs?

Potential downsides to ADUs include the initial investment in construction and the possibility of reduced backyard space. Permitting and construction timelines can also be a factor. It's wise to weigh these against the benefits of added income or multi-generational living. We can help you discuss these.

How much does an ADU cost in Texas?

What are the rules for ADUs in Texas?

Texas state law provides a framework for ADUs, but individual cities like Arlington have their own specific ordinances. These often cover things like minimum lot size, maximum square footage, and parking requirements. A local pro can clarify Arlington's specific regulations.

Is an ADU allowed in Maryland?

This service is focused on providing ADU estimates in Texas. Regulations for ADUs are highly localized and vary significantly by state and municipality. If you're looking in Maryland, you'll need to seek out services specific to that region. We can help you with ADUs in Arlington.

What are the rules for ADU in California?

California has generally been proactive in enabling ADU construction with state-level mandates. However, local jurisdictions still implement their own rules. For Arlington, we adhere to Texas state laws and the city's specific ordinances. We can provide advice tailored to your Arlington property.

Grant programs for ADUs are not universally available and often specific to certain states or regions, like some in California. It's important to research current local incentives. For Arlington, we can help you understand potential costs without relying on speculative grants. We can help you explore options.

Also serving nearby: Grand Prairie · Fort Worth · Irving · Dallas · Carrollton

All cities in Texas →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

398,431residents

4,157per sq mile

8ZIP codes served

Serving all of Arlington — population 398,431; about 4,157 residents per square mile across 95.8 sq mi. ZIP codes covered include 76001, 76002, 76003, 76004, 76005, 76006, 76007, 76010.

Neighborhoods served in Arlington: Downtown Arlington, Arlington Arts District, Vandergriff Park area, Green Oaks, Villard Park — and every surrounding area.