Home Additions Services in San Francisco, CA
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Expand Your Living Space with Seamless Home Additions
Reliable Home Addition Contractor for Functional & Stylish Expansions
At Arriaga General Home Construction INC, we specialize in high-quality home additions that blend flawlessly with your existing structure. With over 12 years of experience, we bring craftsmanship and precision to every room extension, second-story addition, and in-law suite we build. From planning and permits to framing and final finishes, we handle the entire process so you can enjoy a bigger, more functional home.
Our team understands that adding to your home is a major investment. That’s why we prioritize thoughtful design, durable materials, and code compliance. Whether you’re adding space for a growing family or increasing your home’s value, we deliver custom additions that enhance comfort and lifestyle throughout San Francisco and surrounding areas.

Our Additions Services Include:
- Room Expansions & Bump-Outs
- Second-Story Additions
- Garage Conversions
- In-Law Suites & Guest Rooms
- Sunrooms & Enclosed Patios
- Permit Handling & Project Management
Other Services
Ready to Expand Your Home with Confidence?
Contact us today to schedule your free consultation and discover how we can build the perfect addition for your home.

How We Work
Simple, Streamlined, Stress-Free
1. Consult & Estimate
We begin by understanding your goals, visiting the site, and offering a detailed free estimate based on your vision and needs.
2. Design & Build
Once approved, we create a construction plan and start work—on schedule and within budget—using quality materials and expert craftsmanship.
3. Inspect & Deliver
We complete the project with a thorough final walkthrough, ensuring everything meets your expectations and our high standards.