
Home Additions · San Fernando Valley · CSLB #1055131
Home Additions in the San Fernando Valley
Room additions, second stories and open-concept wall removals — one contract, one crew, from structural engineering to final paint.
Why Green Tech
Everything under one roof.
Structural Engineering In-House
Licensed structural engineers on staff — no outsourcing, no delays.
Permit Filing with LADBS
We handle every permit submission and city inspection for you.
All Trades Under One Roof
Framing, electrical, plumbing, HVAC and finishes — one crew.
1-Year Warranty
Every addition is backed by our full one-year workmanship warranty.

Room Additions & Second Stories
- Feasibility & structural assessment
- Architectural drawings
- LADBS permit filing
- Foundation & framing
- Roofing tie-in
- Interior finishes

Open-Concept Remodels
- Load-bearing wall removal
- Steel beam installation
- Electrical & HVAC relocation
- Flooring continuity
- Paint & trim
- Furniture-ready delivery
Our Process
Design → Permits → Build
Design
We assess your property, draw architectural plans and produce a 3D model so you see the addition before we break ground.
Permits
Our team files all structural and building permits with LADBS and manages every city inspection.
Build
One crew handles foundation, framing, roofing, MEP and finishes — no subcontractor juggling.
Investment
Typical range: $80,000–$300,000+ depending on scope and structural complexity.
Free in-home estimate — no obligation.
Client Reviews
What our clients say.
"Green Tech added a full second story to our home. The structural engineering, permits and construction were all handled by one team."
— Michael Cohen
"We removed three load-bearing walls to open up our living area. Green Tech made it seamless — permits, beams, flooring, paint."
— Rick Eiden
Ready to add space to your home?
5605 Woodman Ave Suite 204, Van Nuys CA 91401 · CSLB #1055131

