United Mechanical: Alameda's Trusted HVAC & Plumbing Partner
United Mechanical Alameda CA is a leading mechanical contractor for commercial and industrial properties across Northern California. Founded in 2003, the company focuses on HVAC and plumbing systems with a strong commitment to energy efficiency and reliable service.
Business Overview
United Mechanical provides design, construction, retrofit, and repair services. They offer 24/7 emergency support, ensuring businesses never face prolonged downtime. Their team works with general contractors, developers, and property managers throughout the Bay Area.
Key Services
United Mechanical handles both planned projects and urgent repairs. Their main services include:
- HVAC Installation or Replacement: Setting up new systems or upgrading old ones for better performance.
- HVAC System Repair: Fixing heating and cooling issues quickly to maintain comfort.
- HVAC System Maintenance: Regular check-ups to keep systems running smoothly and efficiently.
- Plumbing Inspection: Assessing pipes and fixtures to prevent problems before they start.
These services help local businesses save energy and reduce operational costs.
Areas Served
United Mechanical serves multiple communities in the region. Their service area includes Alameda CA, Rohnert Park, Half Moon Bay, Fairfax, El Granada, Moss Beach, Marin City, Belvedere, Bolinas, Black Point Green Point, Woodacre, and Lagunitas Forest Knolls. They understand the unique building styles and climate needs of Northern California, from coastal spots like Half Moon Bay to inland areas like Rohnert Park.
Company History
Tom Sosine and Jon Gundersen started United Mechanical in 2003. They built the company on a simple idea: every client and project matters. This focus helped them grow into one of the top five mechanical contractors in the region by annual revenue. They've worked on many high-profile projects, contributing to the area's development.
Leadership
Founders Tom Sosine and Jon Gundersen bring deep industry experience. Their hands-on approach ensures projects meet high standards. They've maintained a strong local presence, partnering with major contractors and property managers in the Bay Area. Their involvement in complex projects shows their technical skill and dedication.
Specialties & Highlights
Several factors set United Mechanical apart:
- Energy Efficiency Focus: Their work often meets LEED Platinum and WELL Building Certification standards, helping buildings use less energy.
- 24/7 Emergency Service: Available anytime for urgent HVAC or plumbing needs, minimizing business disruptions.
- Commercial & Industrial Expertise: They specialize in larger properties, handling technically demanding jobs.
- Proven Track Record: Ranked among the top contractors in the region, with a portfolio of significant local projects.
- Client-Centered Philosophy: They treat each project as a priority, ensuring personalized attention.
Why Locals Choose United Mechanical
Businesses in Alameda CA and nearby areas pick United Mechanical for reliability and quality. Their long-standing presence since 2003 means they know local building codes and climate challenges. They combine technical expertise with a practical approach, delivering results that last. For HVAC and plumbing needs, United Mechanical Alameda CA offers a trusted solution backed by years of experience.
Contact Information
United Mechanical
: 815 Atlantic Ave Ste 105, Alameda, CA 94501
Business Services
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
- Plumbing inspection
Business Location & Hours
| Mon: | 7:00 AM - 4:00 PM |
| Tue: | 7:00 AM - 4:00 PM |
| Wed: | 7:00 AM - 4:00 PM |
| Thu: | 7:00 AM - 4:00 PM |
| Fri: | 7:00 AM - 4:00 PM |
| Sat: | Closed |
| Sun: | Closed |



















