Want a larger kitchen, a private master suite, or even a full second floor? We design new areas that match your home’s current look. From layout to finishing details, our team ensures everything feels like it belongs.
We sit down with you to learn your daily needs. Whether you need more room for family or a quiet office, we design layouts that flow naturally. We consider light, usability, and comfort to create spaces that improve your daily life.
A home addition is the perfect chance to enhance comfort and efficiency. We integrate smart features such as upgraded HVAC, energy-saving windows, and smart lighting. This makes your new area cozy, efficient, and adds long-term value to your home.
Permits and inspections can slow down projects. Our experienced team manages Sammamish’s codes, paperwork, and approvals for you. This way, you only focus on shaping your new space.
We build with premium materials that either blend with your current home or give it a modern upgrade. Our suppliers provide trusted products, and our builders focus on precision. The result is a sturdy and elegant addition.
We manage the process from start to finish. Our project managers update you regularly, keeping the schedule tight and the budget on track. You get a smooth and stress-free experience.



Whether it’s a larger living room, guest room, or office, we build spaces that integrate seamlessly with your house. Our goal is to maximize every inch and make it perfectly suited to your lifestyle.
If your lot doesn’t allow you to build outward, we help you expand upward with a second-story addition. Adding a full second floor not only gives you more bedrooms, bathrooms, or living areas but also improves the overall structure and appearance of your home.
We handle every step including insulation, drywall, flooring, ventilation, and lighting, so the transformed garage feels like part of your home. Our goal is to create a space that is comfortable, functional, and designed around your needs.
If you need just a little more space in your kitchen or bedroom, a bump-out is a small extension that gives you extra room without a full remodel.
A sunroom or enclosed patio lets you enjoy natural light in every season without worrying about the weather. These spaces create a perfect balance between indoor comfort and the beauty of the outdoors.
Planning a home addition is easier when you have expert guidance. From the first sketches to the final city inspection, our team is by your side. We help you make design decisions that enhance your home’s style and functionality while also handling all the necessary permits and approvals in Sammamish.
We handle all of that in-house. Our licensed team coordinates every detail from plumbing lines to electrical panels… so your addition functions as well as it looks.
Yes, most do. Our team handles every step of the process, from applications to final approvals.
This is the reason we do the entire site survey before we start to build. In the event we need to upgrade anything to be safe or have support, we will walk through the process transparently and with expert value.
Absolutely! The new addition will perfectly match your current home styling and design, and our design department will ensure this.
Most often, you are able to be at home. We are organized according to areas and limit disturbance.
We construct every type, including room additions, second-story additions, sun-room additions, garage additions, etc. We have the ability to build whatever space you require.
You can take a free consultation of Alpental Home’s expert team. We’ll help you with design ideas, budgeting, permits, and timelines… making the process simple from day one.
Of course. You will be able to control everything, there is the layout, there is the finishes, we will guide you through it.
Planning, permits, supplies, building, and finishing – we do it all in a row.
We blend clever design, higher craftsmanship, straightforward communication, and a hustle-free experience.
Life changes…, and your home should change with it. That’s where we come in. We’ll help you make your space better with slight additions.
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