ADU builder in Augusta, ME, framing an accessory dwelling unit

ADU Builder in Augusta, ME

Standalone and garage-integrated accessory dwelling units, full systems, permitted right across Maine's capital city.

Owner of Garage Builders Maine, on the job in Central Maine
  • Local zoning confirmed before design work starts
  • City permitting factored in from the start
  • Same crew for standalone or garage-integrated builds

An ADU builder in Augusta, ME builds accessory dwelling units: a smaller, self-contained living space on your property, either standalone or built into a garage. These come with full systems (electrical, plumbing, heat) and get permitted through the city before any work starts.

Augusta adds a step most towns don't. Any detached structure over 200 square feet needs its own permit, so we confirm local zoning and factor city permitting in from day one, not after the fact.

The owner walks your site in person before any design or demo, so you get a straight read on what fits, what it costs, and how long it takes. The same crew handles the build whether it's standalone or garage-integrated.

About our Augusta work

  • Owner walks every site personally before design
  • City-permitted ADU experience
  • Kennebec County focused

ADU builder work in Augusta

ME often means navigating city permitting on top of the usual zoning question, since any detached structure over 200 square feet needs its own permit.

  • Local zoning confirmed before design work starts
  • City permitting factored in from the start
  • Same crew for standalone or garage-integrated builds
  • 6Years building across Central Maine
  • 30+Homes built, start to finish
  • 1Owner who walks every job

Client Testimonials

What homeowners say

★★★★★

Very quick, efficient, and enjoyable to work with. Everyone was so friendly, and I was so pleased with the way it came out.

E.R., home remodel
★★★★★

Overall, the experience was overwhelmingly positive, marked by consistently excellent communication.

D.K., general construction project
★★★★★

Did a great job expanding my one car garage to a two car garage. They did exactly what I wanted, and then some.

M.B., garage expansion

Get your free estimate request sent in 60 seconds

Answer a few quick questions about your Augusta project. No pressure, no obligation, just a straight answer on cost and timeline.

What type of project are you considering?

Select all that apply.

How soon are you looking to get started?
Which of these are you planning?

Select all that apply.

What will you mainly use this garage for?
How many vehicles do you need it to hold?
Single-story, or two-story with space above?
What utilities do you need? (select all)
Should the garage exterior match your house?
Do you have plans, or starting from scratch?
What will this addition mainly be used for?
How many vehicles should it hold?
A mudroom or breezeway connecting house to garage?
Do you want living space above the garage?
Do you have plans drawn up, or starting fresh?
What will the ADU be used for?
What type of ADU are you looking to build?
How large do you want the ADU?
What level of kitchen does it need?
What about the bathroom?
Do you have architectural plans?
Do you own your own land?
What are you looking to build?
How big are you thinking?
How many stories?
Does the lot have utilities available?
Do you have house plans?
What do you want to improve? (select all)
Is this an attached or detached garage?
How many bays (garage doors)?
What's the current condition?
After remodeling, still used as a garage?
Which areas are you remodeling? (select all)
How intensive is the work overall?
How old is your home?
Will you live in the home during construction?
Do you have plans or a design in mind?
New deck, or replacing an existing one?
What material are you leaning toward?
Roughly how big?
How high off the ground?
Which features do you want? (select all)
New siding, or replacing existing?
What siding material are you interested in?
How many stories is the home?
Any known issues with the current siding? (select all)
Anything else as part of the job?
Roughly what budget do you have in mind?

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$40,000
$5,000$300,000+
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Areas we serve

Nearby areas we serve

Find the shop

Directions from Augusta, ME to our shop in Augusta

219 Capitol St. Ste. 8
Augusta, ME 04330
garage-integrated ADU build in Augusta

Site work and foundation for an Augusta ADU

Foundation, framing, and full residential systems, plumbing, electrical, and HVAC, planned around your Augusta lot and the city's permit requirements.

plumbing and electrical rough-in for an Augusta ADU

Standalone vs. garage-integrated in Augusta

Standalone units work well on larger outlying Augusta lots. Garage-integrated ADUs suit tighter in-town properties closer to downtown.

finished accessory dwelling unit exterior in Augusta

Finish work and full systems

Full kitchen or kitchenette, bath, and finish work sized to the actual use. In Augusta that is often a rental aimed at the State House commute, or a parent suite close to downtown.

3 step process

How it works

  1. Get your free estimate.

    We walk the site and confirm what Augusta zoning allows before anything else.

  2. We design and build it.

    Foundation through final finish, one crew start to finish.

  3. Final walkthrough.

    You check the finished unit before we call it done.

Worth knowing

ADU builder in Augusta, ME

Augusta sits in the Kennebec River valley as Maine's capital and Kennebec County's seat, and its housing stock ranges from tighter in-town lots to more spacious outlying properties. That range shapes whether a standalone or garage-integrated ADU makes more sense for a given site.

ADU zoning rules vary town by town in Maine and change more often than most other permitting categories, so we always confirm current Augusta rules rather than assuming a blanket standard. Any detached structure over 200 square feet needs a City of Augusta building permit, which we handle as part of the project.

standalone ADU under construction on an Augusta property
Augusta, MEKennebec & Lincoln County

Plan on 2 to 4 months minimum before groundbreaking, given the permitting and full residential-systems scope involved. Starting the permit conversation early avoids delays later.

What it costs

How much an ADU costs in Augusta

Every number below is a range, not a quote.

Scope tierWhat's includedEstimated range*
Small garage-integrated ADUKitchenette, bath, up to 400 sq ft$60,000 to $110,000
Standalone ADU, kitchenetteFull systems, up to 600 sq ft$110,000 to $180,000
Standalone ADU, full kitchenFull systems, 600 to 900 sq ft$180,000 to $280,000+

City permitting timelines and lot size in Augusta can shift the overall project schedule.

Does my Augusta property allow an ADU?

Zoning varies by district and changes often, so we confirm current rules with the city before we design anything.

Do I need a permit to build an ADU in Augusta?

Yes, any detached structure over 200 square feet requires a City of Augusta building permit. We handle the application as part of the project.

Can an ADU be garage-integrated on a tighter Augusta lot?

Yes, this is often the better fit for in-town lots closer to downtown where a standalone unit wouldn't have room.

How long does an ADU build take in Augusta?

Plan on 2 to 4 months minimum before groundbreaking for permitting, then construction time depending on scope.

Owner of Garage Builders Maine standing with his arms crossed and smiling at a Maine job site

Next step

Ready to talk about your Augusta ADU

Reach out and we'll walk the site and give you a straight answer on what's possible and what it costs.

Call 207-707-1261