Home Additions in Aloha, OR

Outgrowing your current home? A well-planned home addition is the perfect way to gain more space without the hassle of moving. At Keith Green Construction, we specialize in custom home additions in Aloha, helping homeowners add square footage that feels like a natural extension of the original home. Whether you need an extra bedroom, larger kitchen, in-law suite, or expanded living area, we provide the experience, craftsmanship, and attention to detail you can trust.
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’s needs are different, and so is every home. That’s why we offer custom home addition solutions that match your lifestyle and budget. Whether you want to add a new bedroom for a growing family, extend your living room, or build out a dedicated home office, our team creates plans that blend seamlessly with your existing structure and meet local code requirements.
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

One of the most common reasons for a home addition is to create more room in key living spaces. We help Aloha homeowners expand kitchens to add islands, breakfast nooks, or walk-in pantries. Need a larger primary suite? We can build a spacious bedroom with a private bathroom, walk-in closet, or sitting area to turn your master into a retreat.
Looking for more square footage throughout? We also build multi-room additions that include new bedrooms, bathrooms, utility rooms, and common areas in one cohesive project. Our background in structural carpentry and residential design ensures that your addition looks intentional, not added-on.

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.