Expand your home with custom Accessory Dwelling Units (ADUs) and professional Room Additions that bring functionality, comfort, and long-term value.
With 25+ years of design-build expertise, Alon Design & Remodeling handles everything—from permits to construction—so you enjoy a smooth, stress-free experience.
Garage conversions, backyard ADUs, and custom designs.
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Expand your home with seamless, value-driven extensions.
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Licensed and insured experts in accessory dwelling unit projects.
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Tailored solutions for growing families or home offices.
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Proven record in ADU construction and home expansions.
Permits, planning, and construction all managed in-house.
Security and peace of mind.
No hidden costs, no surprises.
Durable materials and modern, functional design.
An additional living space designed to your lifestyle.
Increased property value and ROI.
Smart layouts that maximize comfort and usability.
A stress-free process with full permit and inspection handling.
Searching for room addition contractors near me? We specialize in expansions that blend seamlessly:
Not every project requires a full remodel—sometimes it’s about making your existing space work better:
Private, detached units with full amenities.
Transform unused garages into livable spaces.
Unique designs for multi-generational living or rentals.
Add single or multi-room expansions.
Expand vertically for maximum space.
Alon turned our garage into a beautiful ADU for guests – it feels like a private home.
Natalie P- ADU Projects
Our backyard ADU became a perfect rental unit, and it was completed on schedule.
James F.- ADU Projects
Professional, transparent, and supportive during our ADU construction.
Christine D.- ADU Projects
The ADU design fits perfectly with our property – couldn’t be happier.
Mark H.- ADU Projects
They built us a second-story addition that looks like part of the original house.
Allison W. - Room Addition
Our new family room addition is the heart of our home now.
Kevin B. - Room Addition
The team created a beautiful home office addition – modern and functional.
Sophia G. - Room Addition
Our master bedroom addition added so much value – excellent craftsmanship.
Brian T. - Room Addition
It depends on size and design. We provide transparent estimates based on your specific project.
Most ADUs take 10–16 weeks, depending on permits and construction complexity.
Yes – we manage all city requirements and inspections across the Bay Area.
Yes, many clients generate rental income from their ADUs.
Typically 8–12 weeks, depending on the project size.
Absolutely – our designers ensure seamless integration with your existing architecture.
Master bedrooms, family rooms, home offices, second stories, and more.
Yes – properly designed additions increase livable space and resale value.