(408) 785 - 9999

Design Partner
1460 Tully Rd #601, San Jose, CA 95121
DESIGN & BUILD
CSLB #1126133

ADU
We provide complete ADU solutions for living, work, or rental use, focusing on space efficiency, permitting, and build compliance.
Remodel
We renovate and refresh existing homes to enhance functionality, comfort, and visual appeal with efficient planning and controlled construction.
Addition
We add new living spaces that integrate naturally with your existing structure, improving usability, flow, and long-term comfort.
New Construction
From planning to completion, we deliver fully customized new construction with controlled timelines, clear processes, and reliable execution.
"Excellent execution on ADU. Smart layout, quality build, and highly professional."
Arjun Patel
San Jose, 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
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


















