Accessory dwelling unit cost

Looking for accessory dwelling unit cost in Montgomery, AL? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Montgomery 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 involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

Pricing for an ADU is driven by the quality of finishes, the foundation type, and the complexity of your site’s terrain. Projects on flat, accessible lots are generally more affordable than those requiring significant grading or utility trenching. Exact pricing confirmed free on the call.

Frequently asked in Montgomery

What are the disadvantages of ADUs in Montgomery?

How much does an ADU cost in Alabama?

The cost of an ADU in Alabama varies widely based on size, design complexity, and the materials used. Factors like site accessibility, foundation requirements, and utility connections also heavily influence the overall price. For an accurate estimate specific to Montgomery, a personalized quote is essential.

What are the rules for ADUs in Alabama?

While Alabama has general building codes, specific ADU regulations are typically set at the municipal level, such as in Montgomery. These often cover lot size, setbacks, parking provisions, and occupancy limitations. Understanding these local ordinances is critical before planning your ADU. A consultation can clarify these for your Montgomery location.

Is an ADU allowed in Montgomery?

Also serving nearby: Columbus · Hoover · Birmingham · Tuscaloosa · South Fulton

All cities in Alabama →

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

Service area details

195,287residents

1,221per sq mile

8ZIP codes served

Serving all of Montgomery — population 195,287; about 1,221 residents per square mile across 159.9 sq mi. ZIP codes covered include 36101, 36102, 36103, 36104, 36105, 36106, 36107, 36108.

Neighborhoods served in Montgomery: Downtown Montgomery, Maxwell Air Force Base, Old Cloverdale, Wynnton, East Montgomery, West Montgomery — and every surrounding area.