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Home addition contractors in Detroit

The 10 home addition contractors from Google's results for Detroit, Michigan, ordered by Google rating weighted by review count. No firm pays to be listed or ranked.

Last updated

Bump-out
$25,500 – $61,000small single-room extension
Room addition
$81,500 – $204,000ground floor, finished
Second-story addition
$153,000 – $408,000whole or partial floor
Detroit vs US
+2%around the US median

Licensing in Michigan. Michigan licenses residential builders and maintenance and alteration contractors through LARA.

Number 1: Custom Edge Remodel

5.0(21)out of 5, from 21 reviewson GoogleDetroit

Custom Edge Remodeling builds home additions across Royal Oak and the rest of Metro Detroit, matching foundation, roofline and trim to the original house. Its scope runs from zoning and setback checks with the municipality through foundation pours, structural tie-ins and permit handling.

(313) 236-0985

Number 2: Sq 1 Co

5.0(12)out of 5, from 12 reviewson GoogleDetroit

Square One Contracting plans and builds home additions throughout Metro Detroit and Macomb County. Typical projects include second-story additions, kitchen expansions and new primary suites, with design work done before construction starts.

(810) 712-3302

Number 3: Marsh Contracting

4.9(43)out of 5, from 43 reviewson GoogleDetroit

Marsh Contracting builds home additions across Metro Detroit, with projects ranging from mudrooms and family room bump-outs to primary suites and second-story additions. Rooflines, floor heights, siding and trim are planned to line up with the existing house before demolition, and the firm handles survey work, engineering and municipal approvals.

(734) 386-0234

Number 4: Pachota Construction

4.8(74)out of 5, from 74 reviewson GoogleLivonia, MI

Pachota Construction is a remodeling contractor in Livonia that serves Metro Detroit and Southeastern Michigan, taking on projects from major renovations to smaller home improvements. The company runs a remodeling showroom in Livonia and also builds home additions.

(734) 953-9465 33790 Capitol St, Livonia, MI 48150

Number 5: Sunrise Building Group

4.2(5)out of 5, from 5 reviewson GoogleLivonia, MI

Sunrise Building Group constructs home additions across Metro Detroit from its Livonia base, adding bedrooms, bathrooms or extra living space to existing homes. Additions are pitched as an alternative to moving for households that need more room.

(734) 425-0000 28726 Plymouth Rd, Livonia, MI 48150

Number 6: Renovation By Design

4.5(51)out of 5, from 51 reviewson GoogleRochester Hills, MI

Working from Rochester Hills, Renovation By Design runs a design+build process for custom bathrooms throughout Oakland County and the wider Metro Detroit area. Projects run from compact powder rooms in Grosse Pointe to larger whole-bath renovations in Bloomfield Hills, and the firm also builds home additions.

(248) 260-7639 900 W Avon Rd, Rochester Hills, MI 48307

Number 7: Bobson Construction

4.3(43)out of 5, from 43 reviewson GoogleFarmington Hills, MI

Bobson Construction remodels and updates homes throughout Metro Detroit from Farmington Hills. Its work covers kitchen and bathroom remodels, window and door replacement, and exterior jobs such as gutters and gutter guards, siding, trim and roofing, along with home additions.

(855) 426-2766 22000 Springbrook Ave Ste 203, Farmington Hills, MI 48336

Number 8: Home Remodeling Services Near Wyandotte, MI

4.2(52)out of 5, from 52 reviewson GoogleWyandotte, MI

DA Home Improvements takes on home remodeling projects in Wyandotte and surrounding Michigan communities such as Riverview, Trenton and Canton. Its work includes home additions as well as renovations to existing rooms.

(734) 285-3350 3221 Biddle Ave, Wyandotte, MI 48192

Number 9: Moda Masters

No Google reviews yetDetroit

Moda Construction handles roofing, remodeling and general construction across Metro Detroit for both residential and commercial clients. The company manages projects from start to finish and also builds home additions.

Number 10: Lunar Construction

No Google reviews yetDetroit

Lunar Construction takes on home improvement projects throughout metro Detroit. Its work covers kitchens, bathrooms, basements, garages and porches, as well as room and home additions, with building, remodeling and design all offered by the same company.

What home addition contractors charge in Detroit

In Detroit, a bump-out typically costs $25,500 – $61,000. Remodeling labor in Detroit runs about 2% above the US median, which accounts for most of the difference from the same project elsewhere.

How to choose between them

  • Check the license yourself. Where Michigan or Detroit licenses this work, the licensing board's own lookup confirms a license number in a minute. Do it before you sign, not after.
  • Get three bids on the same scope. Written down, split into labor, materials, allowances and anything structural. Most people compare a total against a total and end up choosing between two different projects.
  • Ask what is not included. Permits, debris removal, fixture and finish allowances, and repairs after demolition are the four that turn a cheap bid into an average one.
  • Never pay a large deposit up front. A deposit to order materials and hold a start date is normal. Half the total before anyone shows up is not.

How this list is ordered

These are the firms from Google's results for "home additions detroit", with directories, chains and suppliers removed. They are ordered by Google rating weighted by review count, and the ratings shown are Google's. No firm pays to be listed or ranked. The list was last updated in October 2026.

Home addition contractors in Detroit: common questions

Do I need an architect for a home addition?

Usually yes, or a design-build firm with in-house design. Additions need stamped structural drawings for the permit in most places, and zoning review on setbacks, height and lot coverage.