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Home Additions · Bloomington, MN

Home Additions in Bloomington, MN

Addition designers and builders for Bloomington ramblers, split-levels and two-stories, with zoning, engineering and permits handled by one team.

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Home Additions in Bloomington

Adding on to a Bloomington rambler, split-level or two-story

Bloomington grew fast after World War II, and most of its houses went up between the 1950s and the 1970s. A typical East Bloomington rambler was built with two or three modest bedrooms, one bathroom and a small kitchen. That suited family life in 1958 far better than it suits a family now. The streets, though, are why people stay: mature trees, parks close by, neighbors you know. Rather than trade all of that for a bigger house in a newer suburb, many owners keep the address and add the space.

The house itself points to the right addition. A rambler can often take a second story if the foundation and walls can carry it, or a primary suite off the back where the yard allows. Split-levels need more thought, because any new room has to meet one of the existing floor levels. A common answer is extending the upper level over a new lower room. In West Bloomington and near the Minnesota River bluffs, where the ground rolls, an addition can step down the slope and add finished space on two floors. Sometimes a bump-out is enough: a few feet for a bigger kitchen or an entry with real storage.

Every addition here starts with the lot. We confirm what the City of Bloomington's zoning code allows: setbacks from each property line, lot coverage and height. The application often calls for a certificate of survey, so dig out any old one you have. A second story or a long beam brings in a structural engineer to size the framing and footings. Ramblers often have low roof pitches that are easy to get wrong, so we draw the new roof, overhangs and siding to match before framing. Then you get one written price, and we pull the permits and schedule the inspections.

  • Rambler second stories: Foundation, walls and stair location checked before a new floor goes up.
  • Primary suite additions: A bedroom, closet and private bath for a one-bathroom house.
  • Split-level know-how: New rooms that line up with the floor levels already there.
  • One written price: Design, engineering, permits and construction priced together before work begins.
Home Addition Cost

What does an addition cost in Bloomington?

2026 ballpark ranges for the south metro. Size, foundation type, roofline and finish level move the number most.

Per square foot$200 to $500+
Room / bump-out$90k to $180k
Suite / second story$180k and up

Planning ranges, not a quote. After a free consultation we give you a realistic range, and preconstruction turns your plans and selections into a line-item estimate. Full cost guide · Financing options

Bloomington Addition Ideas

Three additions that fit Bloomington's postwar homes

Addition types that suit the way Bloomington homes were built.

Go up on a rambler

A second story can double a rambler's living space without giving up any of the yard. The real work starts below, where we confirm the footings, foundation walls and bearing walls can carry a new floor, and find room for the stair. Opening the roof is disruptive, so many families stay elsewhere for part of the build. In return, the bedrooms move upstairs and the main floor opens up for living.

A primary suite out back

Plenty of East Bloomington ramblers still have one full bath shared by everyone. A rear addition with a bedroom, walk-in closet and private bath changes how the whole house works, and the old bedroom can become an office or a den. Because the new rooms are built outside your walls until the final tie-in, this is usually easier to live through than going up.

Bump-outs and mudrooms

Not every problem needs a whole new wing. Pushing a kitchen wall out can make room for an island or a real eating area, and a small addition at the garage entry can create the mudroom these houses never had. Small does not mean simple, though. Even a bump-out needs a permit, a foundation or an engineered cantilever, and a roof that ties in cleanly.

A Simple, Proven Process

Your path from idea to finished space.

Four simple phases: see our full step-by-step process.

1

Consult

A free, no-pressure conversation about your goals, your space, and a budget that fits.

2

Design

We turn your vision into a clear, detailed plan: selections, scope, and timeline.

3

Build

Our crew executes with care and craftsmanship, keeping you informed every step.

4

Enjoy

A final walkthrough to make every detail right before we hand back your home.

Common Questions

Home additions in Bloomington, answered.

How much does a home addition cost in Bloomington?
Our published 2026 ballparks for the south metro put additions at about $200 to $500+ per square foot. A single room or bump-out usually lands in the $90k to $180k range, and a primary suite or second story runs $180k and up. In Bloomington, structure often moves the number most, since a second story on a 1950s rambler may need new footings or beams below. Our cost guide explains the rest.
Do I need zoning approval for an addition in Bloomington?
Yes. Along with the building permit, an addition goes through the City of Bloomington's zoning review, which checks setbacks from your property lines, lot coverage and height. Many applications need a certificate of survey showing lot lines and easements. If a design cannot meet a setback, the route is a variance, with an application and a public hearing, so we confirm the rules before design starts. MDR pulls the permits and schedules the inspections on your behalf.
Can my Bloomington rambler handle a second story?
Often, but it has to be confirmed, not assumed. Many ramblers here were built for one floor, with footings sized for that load. We look at the foundation, the bearing walls and the framing that would carry the new level, and a structural engineer runs the numbers. Sometimes the fix is new posts, beams or footings in the basement. If going up costs too much, a rear addition can often deliver the same rooms.
How long does a home addition take in Bloomington?
Expect three to six months of construction for a typical addition. There is digging, concrete, framing and roofing before any interior work starts, with inspections along the way. Design, permits and ordering come first, so from the first call to a finished space, plan on most of a year. A second story usually brings more disruption than a rear addition. Our guide to remodeling timelines walks through each phase.
How do I get started?
Book a free consultation. We'll look at your space, talk through ideas, and put together a plan and budget that fit. Call 952-846-8115 or reach out online.
Explore More

More ways we help in Bloomington.

Planning an addition alongside other work? MDR handles it all under one roof for Bloomington homeowners.

All home additions  ·  All remodeling in Bloomington

Home Additions Nearby

Home additions in nearby cities.

Finished remodel by MDR Design-Build-Remodel
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