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Building Trust.
One Project at A Time.
Modern Design, Customizable, Build ADUs
for an excellent backyard experience.
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San Jose’s Trusted
ADU Home Builder
Our Projects
Bay Area's Trusted
Turn-Key contractor
Designed for Living.
Built for Earning
Chris Ong
General Manger
Why choose us?
Architects, engineers, and project managers under one roof for a smooth and efficient process.
We back every project with a warranty to protect your investment and ensure lasting quality.
Fully licensed and insured in California for safe, code-compliant home renovations.
“Use this space to share reviews from customers about the products or services offered.”
Why choose us
Summary of completed projects, including ADU, Remodel, and New Build.
Why choose us ?
Contact Us Now for Profesional Opinion
Don't worry, we offer FREE consult !
Still have questions? We know you're still confused
DESIGN & BUILD
CSLB #1126133
"Excellent execution on ADU. Smart layout, quality build, and highly professional."
Arjun Patel
San Jose, CA
"Best price for a 3B2B ADU! Blackstone is professional and very affordable."
Kevin W.
Fremont, CA
"Great team! Professional, skilled, and delivered exactly what we needed. Highly recommended."
Robert Taylor
Burlingame, CA
"Very professional! Blackstone managed our 500sf ADU project perfectly from start to finish"
Robert J.
San Jose, CA
"Blackstone team is pure talent! They made the most of my 542sf space. Smart, fast & so reliable."
Bao Nguyen
San Jose, CA
"Great team! Professional, skilled, and delivered exactly what we needed. Highly recommended."
Robert Taylor
Burligame, CA
Construction is going smoothly. Clear communication and a reliable team we trust.
Duy T.
Cupertino, CA
"Blackstone is a game changer! Super smooth process and the crew really knows their stuff."
Steven R.
San Jose, CA
"High-quality remodel with great attention to detail. Professional team and a smooth process from start to finish."
Jenny Pham
San Jose, CA