3 vetted design-build firms serving Blaine · how we vet & rank
Additions add true square footage — primary suites, family rooms, mudrooms, or a second story. They are structurally the most involved remodel category, requiring foundation work, framing into the existing structure, and careful matching of exteriors.
Founded by Dean Marquette in 2004 and named for his sons Derek and Conner, Dercon is an Andover remodeler covering kitchens, baths, basements, additions, and exteriors across the north metro.
A 43-year, second-generation design-build remodeler with offices in Blaine and Chanhassen, Murphy Bros. runs a deep design process across kitchens, baths, additions, and lower levels — twice honored with the BBB Torch Award for ethics.
A custom builder and remodeler since 2007, JJH Homes works across the north and east metro from Blaine and Shoreview to Woodbury and Stillwater.
Additions in the Twin Cities typically run $300–$500+ per square foot all-in, with second-story additions and complex tie-ins at the high end.
Additions in the Twin Cities typically run $300–$500+ per square foot all-in, with second-story additions and complex tie-ins at the high end. Blaine's older housing stock can add scope — outdated wiring, plaster, and framing surprises are common in pre-war homes, so build contingency into the budget.
We currently list 3 design-build remodelers handling home additions in Blaine. All are being verified against Minnesota's contractor licensing records as we expand the directory.
Almost always, yes. Any project touching plumbing, electrical, structure, or egress requires permits and inspections in Blaine. A legitimate contractor pulls the permits themselves — treat any suggestion to skip permitting as a red flag.
Additions typically run 3–6 months of construction depending on size and season — foundation work in a Minnesota winter needs experienced scheduling.
Tell us about your project and we’ll shortlist up to 3 vetted local builders that fit your city, budget, and timeline.
Planning new construction instead? See Blaine home builders.