Modular accessory dwelling unit — Richmond, VA
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
A modular ADU is a home built in a controlled factory setting and then transported to your property to be placed on a permanent foundation. This method is often faster than traditional stick-built construction because the structure is built off-site while your foundation is prepared. You should choose this if you want a quicker build timeline and less disruption to your backyard. Factors like site accessibility for cranes impact the final price. Exact pricing confirmed free on the call.
Frequently asked in Richmond
What are the benefits of building an ADU in Richmond?
How do Richmond's zoning laws affect ADU construction?
What materials are typically used for ADU construction in Richmond?
What is the process for obtaining permits for an ADU in Richmond?
Can I build a modular accessory dwelling unit in Richmond?
What are some common drawbacks of adding an ADU?
How do I find local ADU builders in Richmond?
Also serving nearby: Newport News · Hampton · Suffolk · Portsmouth · Norfolk
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Richmond — population 229,247; about 3,825 residents per square mile across 59.9 sq mi. ZIP codes covered include 23173, 23218, 23219, 23220, 23221, 23222, 23223, 23224.
Neighborhoods served in Richmond: The Fan District, Church Hill, Carytown, Scott's Addition, Westover Hills — and every surrounding area.
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