Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
About this service
An ADU quote is a detailed breakdown of what it takes to bring your secondary unit project to life. This process involves looking at your site conditions, utility access, and design preferences to give you a clear financial picture. You should request this when you are ready to move from the brainstorming phase into real planning. Costs are typically influenced by foundation type and finish levels. Exact pricing confirmed free on the call.
Frequently asked in Hampton
What is the permit cost for an ADU in Hampton?
What's the cost to build an ADU in Hampton?
What's the ADU construction cost in Hampton?
What are accessory dwelling units (ADUs) in Hampton?
What's involved in ADU building in Hampton?
What are accessory dwelling units (ADUs) for rent in Hampton?
Who are ADU builders in Hampton?
Also serving nearby: Norfolk · Newport News · Portsmouth · Virginia Beach · Chesapeake
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Hampton — population 137,098; about 2,664 residents per square mile across 51.5 sq mi. ZIP codes covered include 23630, 23661, 23663, 23664, 23665, 23666, 23667, 23668.
Neighborhoods served in Hampton: Phoebus, Buckroe Beach, King Street, West Hampton, East Hampton — and every surrounding area.
Areas we serve
Browse by state, then city.
