Green Tech Developers

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About Green Tech Developers
Green Tech Developers holds a 3.8-star rating compiled from 10 customer reviews in San Francisco, California. This housing development contractor offers an unusual breadth of trades under one contract, handling roofing, solar installations, HVAC systems, electrical upgrades, and bathroom renovations. Operating hours span Monday through Friday from 9 AM to 5 PM, with Saturday availability until 3 PM. The company serves homeowners throughout the San Francisco Bay Area seeking integrated renovation solutions that combine multiple disciplines in a single project timeline.
The company differentiates itself by advertising project completion timelines that significantly outpace industry averages. One reviewer noted a complete home transformation including roof replacement, solar array, HVAC installation, electrical panel upgrade, and bathroom renovation finished within two weeks, a scope that other contractors estimated would require three months. This efficiency stems from their ability to self-perform multiple trades rather than subcontracting each specialty to separate companies.
Customer experiences reveal both strengths and significant challenges. Len Gar described the team as delivering efficient and professional service across multiple trades, praising the quality of workmanship and strict adherence to the project timeline. However, Vitaly Feldman recounted a markedly different experience with a solar and roofing project that encountered cost overruns, communication breakdowns, and ultimately an abandoned scope. The contrasting reviews suggest that project outcomes may depend heavily on specific scope complexity and homeowner oversight expectations.
What Customers Say
Of 10 reviewers, one praised rapid multi-trade project completion while another detailed cost overruns, communication failures, and an abandoned project. The single 5-star review highlights quality and timeline adherence, whereas the 1-star review documents roofing leaks, electrical panel issues, and unresolved damage.
Working Hours
| Sunday | Closed |
| Monday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| Wednesday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| Friday | 9 AM–5 PM |
| SaturdayToday | 9 AM–3 PM |
Services
Roofing Installation & Replacement
Flat and sloped roof installation using various materials, including single-ply membrane systems.
Solar Panel & Battery Installation
Residential solar array design and installation with battery storage integration options.
HVAC Systems
Heating, ventilation, and air conditioning installation for residential applications.
Electrical Upgrades
Panel upgrades and electrical system improvements to support modern home demands.
Bathroom Renovation
Complete bathroom remodeling including fixtures, tiling, and plumbing modifications.
Multi-Trade Project Management
Coordinated renovation projects combining roofing, solar, HVAC, electrical, and plumbing under single contract.