Address: 3995 Cherry Ave NE Suite A Keizer, OR 97303

Salem, Oregon

Home Additions in Salem, OR

Design and build under one roof, with a written fixed price before demolition starts. Building in Salem since 2008.

What a Salem home addition actually involves

An addition is the one remodel that changes your home’s footprint, which means foundation, framing, roof tie-in, and new mechanical all have to work with what is already there. It is structural work first and finish work second.

Star Builders has designed and built additions in Salem since 2008 under CCB# 182498. Design, engineering coordination, permitting, and construction sit with one team, so the plan that gets approved is the plan that gets built.

Types of additions we build in Salem

Room additions

Bedrooms, offices, and family rooms added to the existing footprint, matched to the home's roof line and siding.

Second story additions

Building up when the lot cannot go out, including the structural work to carry the new load.

Primary suite additions

Bedroom, bath, and closet added as one suite, with the plumbing and HVAC capacity planned up front.

Kitchen and living expansions

Bumping out the back of the house to open a cramped 1980s kitchen into real living space.

ADUs and dual living

Accessory dwelling units and in-law setups, built to Salem code with their own entry and systems.

Building out vs. building up

Ground-floor additions run roughly $140 to $300 per square foot. Going up runs $200 to $500, because the roof comes off and the existing structure has to carry new load.

Foundation and soil

A ground-floor addition needs its own footing tied to the existing foundation. Salem's clay-heavy soil and any slope on the lot affect excavation and drainage before framing starts.

What the addition contains

Bedrooms and offices are the cheapest square footage. Anything with plumbing, a bathroom, a kitchen, or a laundry, costs substantially more per square foot.

Tying into what exists

Roof lines, siding matches, HVAC capacity, and electrical panel load all have to be resolved. On a 1980s Salem home the existing panel is often the surprise line item.

What moves the cost of a Salem addition

Additions price differently than interior remodels. Four things drive the number more than square footage alone.

How our Salem addition process works

Initial Consultation

Design & Planning

Selections & Budgeting

Construction

Final Walkthrough

How to choose a contractor for a Salem addition

An addition puts more of your house at risk than any other remodel. Here is what separates a design-build firm from a builder working off someone else’s drawings.

Typical contractorStar Builders
PricingRough estimate after a quick walkthrough  Detailed fixed-price hard bid before construction
Design and buildSeparate designer and builder, with handoffs  One team, design and build under one roof
Material selectionsWeeks of driving between showrooms  Every finish in one visit at The Tile Gallery
Project managementA different point of contact at each phase  One project manager, start to finish
PaintingSubbed out to whoever is available  In-house partner, Star Painting, on one schedule
Track recordUnknown  Since 2008, CCB# 182498, NARI member, Gold Medal winner

Our work

Salem additions built by our crews

Every finish in these projects was selected at The Tile Gallery and installed by our own crews.

One connected team behind your Salem addition

Star Builders is part of the Star Team, a group of locally owned businesses that regularly work together to support residential projects from start to finish.
Each business operates independently, but together we share the same standards for professionalism, craftsmanship, and communication. This allows homeowners to work with teams who are already aligned and experienced collaborating when projects overlap.

This connection creates smoother timelines, clearer communication, and a more seamless experience for homeowners.

Reviews

What Salem homeowners say

★★★★★

Google

“We love our new kitchen. Star Builders transformed our 1970s kitchen and dining room into a more modern design while keeping with the period of our home. The workmanship was excellent and the crew always cordial and professional.”

Ron V.
Kitchen and dining remodel

★★★★★

Google

“We are extremely happy with our new remodel by Star Builders, Star Painting, and Tile Gallery. It was a large project, and we needed a remodeler who could coordinate every aspect with one-stop shopping. Star Builders managed it brilliantly.”

Linda V.

Whole-home remodel

★★★★★

Google

“Star Builders delivered excellent work on our home expansion, exceeding expectations in both quality and execution. Their professionalism, clear communication, and genuine friendliness made the entire experience smooth and reassuring.”

James H.
Home addition

Hear from REAL homeowners

Salem home addition questions

Ground-floor additions generally run $140 to $300 per square foot and second story additions $200 to $500, so a 400 square foot ground-floor addition typically lands between $56,000 and $120,000. Simple bedroom or office additions in Salem often start around $80,000 once foundation, framing, roof tie-in, and finishes are counted. Anything containing plumbing costs more per square foot than a plain room.

Building out is cheaper per square foot in almost every case, usually 20 to 40 percent less than going up. Building up avoids new foundation and preserves yard space, but it requires removing the roof, reinforcing the existing structure to carry new load, and extending mechanical systems vertically. If your lot has room, out is normally the better value.

Yes. Any change to the building footprint requires a permit, submitted through Salem's online permit portal, and additions also require structural engineering. Plan review commonly runs one to six weeks for residential work. Most of Salem is in Marion County, but West Salem across the river is in Polk County, which affects who inspects.

Plan on several months from first drawing to final inspection. Design and engineering take weeks, plan review adds one to six weeks, and construction on a typical room addition runs a couple of months depending on size and weather. Additions are more weather-dependent than interior work because the structure is open during framing and roofing.

Usually yes for a ground-floor addition, since the work happens outside the existing envelope until the connection is made. A second story addition is more disruptive because the roof comes off, and many homeowners move out for part of that phase. We plan the sequence and tell you honestly which weeks will be difficult.

That is a design decision we make deliberately, not an afterthought. Roof pitch, siding profile, window style, and trim details all get specified to match the existing home so the addition does not read as an add-on. On older Salem homes some materials are no longer made, so we match as closely as available product allows and tell you where it will differ.

Serving Salem and the surrounding area

We build additions across Salem, including Battle Creek, Creekside, Sunnyslope, Croisan Creek, Candalaria, Fairmount, and West Salem across the river in Polk County. Our showroom, The Tile Gallery, is a short drive north in Keizer. Beyond Salem we build in Keizer, Silverton, Stayton, Sublimity, and Dallas.

More on home additions in Salem

Straight answers to the questions Salem homeowners ask before adding on.

Cost

Ground floor vs. second story, what drives the per-square-foot number, and where Salem permits land.

Compare

Cost, disruption, lot constraints, and which one actually fits your property.

Process

From first drawing to final inspection, the real sequence and how long each stage takes.

Ready to Start Your Addition?

If you have additional questions or would like to discuss your project in more detail, our team would be glad to help. Call (503) 409-1975 or schedule a free consultation.