Home Additions in Aloha, OR

Outgrowing your current home? If this is the case, a well-planned home addition is the perfect way to spread out and gain more room without changing locations. Keith Green Construction offers custom home additions in Aloha to help homeowners extend their living spaces in a way that will appear nearly organic with the original design. No matter what you need—that extra bedroom, a grander kitchen, an in-law suite, or beefed-up living space—we have the skills, workmanship, and precision to be trusted.

With over 30 years in the construction industry, our team handles every phase—from permitting and design to framing, electrical, and finish work. We make the process smooth, efficient, and focused on your long-term goals. When you want to increase comfort, functionality, and property value, Keith Green Construction delivers lasting results.

Custom Room Additions Designed for the Way You Live

Every family and home is unique. That´s why we offer customised home addition solutions that suit your lifestyle and apply to your budget. Whether you need another bedroom as your family grows, a larger master suite or living room, or even an at-home dedicated office space, we help you design plans that can be successfully implemented, ensuring continuity from either the existing house to the addition and legally up to local code.

We work closely with you to design the layout, select materials, and plan around your home’s footprint and style. Our additions are structurally sound, well-insulated, and finished to match the look and feel of your original home, down to the trim, siding, and paint.

Kitchen Expansions, Master Suites & Multi-Room Additions

In many cases, the biggest reason to build a home addition at all is because you need more space in critical living areas. Creating larger kitchens:We help Aloha homeowners expand their kitchens to include islands, breakfast nooks, or walk-in pantries. If you want more primary suite… We can help design a larger master bedroom with its own bathroom and walk-in closet or sitting area, making your master suite into function like your personal escape.

Do you want to add square footage throughout your house? Our multi-room additions are also expertly planned to include new bedrooms, bathrooms, utility rooms, and common areas to combine in one smooth addition. A mastery of both structural carpentry and residential design make sure your addition looks like it was part of the plan all along.

Garage Conversions, ADUs & Attached Structures

Need more usable space without expanding outward? We can convert garages or basements into livable square footage, complete with proper insulation, electrical upgrades, and egress windows. We also build attached structures like bonus rooms, sunrooms, or fully self-contained Accessory Dwelling Units (ADUs)—ideal for guests, rentals, or multi-generational living.
We handle these additions’ permitting and zoning requirements and help you make wise choices to maximize space and ROI. Whether it’s a private workspace, gym, or guest suite, we’ll build it to meet your goals.

Why Aloha Homeowners Choose Keith Green Construction

Since 1993, Keith Green Construction has helped Aloha homeowners reimagine their homes with reliable craftsmanship and honest service. As a licensed general contractor with deep roots in the Portland metro area, we understand local building codes, climate considerations, and design trends. We don’t cut corners—we build it like it’s our own home.
Our team takes pride in clear communication, dependable timelines, and quality finishes. From foundation work to the final coat of paint, we manage the entire process so you don’t have to juggle multiple subcontractors. With Keith Green Construction, your home addition will be smooth, stress-free, and built to stand the test of time.

Home Addition FAQs

Q: How long does a typical home addition take?
A: Most additions take 2–4 months, depending on size, complexity, and permitting. We provide a clear timeline before work begins and keep you informed every step of the way.
Q: Will my addition match the look of my existing home?
A: Yes. We take great care to match siding, roofing, windows, and trim so that your new addition blends seamlessly with the original structure.
Q: Can I live in my home during the addition project?
A: In most cases, yes. We organize the work to minimize disruption and maintain safe access to unaffected areas of the home throughout construction.

Proudly Serving Aloha and Nearby Communities: Beaverton, Hillsboro, Forest Grove, Tigard, Sherwood, Cornelius, and beyond.