Accessory dwelling unit planning and construction for Galveston homeowners who need flexible guest, family, rental, or work space. Licensed Galveston contractors. Coastal-grade planning. Free estimates.
An accessory dwelling unit can be a guest suite, family space, rental unit, studio, or flexible living area. In Galveston, it needs careful planning before drawings go too far.
We look at zoning, setbacks, utilities, access, parking, floodplain conditions, elevation, windstorm details, privacy, and how the ADU will be used day to day.
A successful ADU feels complete without wasting space. That means efficient kitchens, bathrooms, storage, mechanical systems, natural light, and materials chosen for coastal maintenance.
This page is part of our home additions service family. If your project touches more than one room or area, we can connect it with the right neighborhood page, budget range, and construction sequence.
Tell us about your Galveston project. We respond within 24 hours.
A clear scope, practical material guidance, and installation details chosen for Galveston's climate and local homes.
Early review of goals, access, utilities, parking, site constraints, budget, and likely permitting needs.
Kitchenettes, bathrooms, storage, sleeping zones, laundry options, and efficient floor plans.
Floodplain, windstorm, drainage, foundation, and inspection timing considered before construction starts.
Good specialty work should solve the immediate project while respecting the home's age, neighborhood, and exposure.
Many Galveston ADU projects need early floodplain and elevation conversations before the budget is reliable.
We review electrical, plumbing, sewer, water, HVAC, and drainage needs before committing to the layout.
Good ADUs respect privacy, scale, parking, access, and the character of the existing home and block.
We keep the process simple, documented, and easy to follow.
We inspect the space, listen to your goals, and identify early code, moisture, access, or structural concerns.
You get a written scope with practical options, allowances, and material direction before making decisions.
We help choose finishes, fixtures, and details that fit your budget and coastal maintenance needs.
Our team protects the home, coordinates trades, communicates progress, and handles inspection timing when needed.
We walk the finished work with you and complete punch-list details before calling the project complete.
These ranges are planning numbers. Your written estimate will reflect site conditions, selections, access, and final scope.
| Project Type | Typical Range | Best For |
|---|---|---|
| ADU Feasibility Package | $5,000 - $15,000 | Planning, site review, concept scope, budget direction, and early permit coordination. |
| Compact ADU Build | $140,000 - $240,000 | Small detached or attached unit with bathroom, kitchenette, utilities, and standard finishes. |
| Premium Coastal ADU | $240,000 - $450,000+ | Larger or elevated unit, complex site work, upgraded finishes, and more involved utility or floodplain requirements. |
For broader budget planning, see our Galveston remodeling cost guide.
Project details change by neighborhood. These local pages help you compare planning notes for Galveston homes.
See how our addition planning changes by Galveston neighborhood.
View Area Page →See how our addition planning changes by Galveston neighborhood.
View Area Page →See how our addition planning changes by Galveston neighborhood.
View Area Page →A few straight answers before you schedule a walkthrough.
Schedule a free consultation with Galveston Home Remodeling. We will walk the space, talk through options, and give you a clear next step.
(409) 555-1234