United Mechanical — West Sacramento, CA
Business Overview
United Mechanical West Sacramento CA is a commercial and industrial mechanical contractor founded in 2003. The company focuses on HVAC and plumbing systems design, construction, retrofit, and repair for larger projects across Northern California. United Mechanical offers 24/7 emergency response for clients who need fast, reliable service outside normal hours.
The team includes experienced mechanical technicians, project managers, and field engineers who handle jobs for general contractors, developers, owners, and property managers. While their work is primarily commercial and industrial, they perform targeted services such as plumbing inspection when projects require it.
Key Services
United Mechanical West Sacramento CA provides a range of services tailored to commercial and industrial needs:
- HVAC systems: design, installation, retrofit, balancing, and long-term maintenance.
- Plumbing systems: design, installation, repair, and plumbing inspection for code compliance.
- Sustainable systems: grey water treatment, solar-assisted water heating, and energy-efficient system retrofits.
- Project delivery: construction management and coordination with prime contractors on large, technically demanding projects.
- Emergency services: 24/7 on-call technicians for urgent HVAC and plumbing failures.
Areas Served
Primary service area is West Sacramento CA and surrounding parts of Northern California. Projects commonly cover the Sacramento metro, Bay Area suburbs, and nearby industrial corridors along the river and Delta.
Company History
Founded in 2003 by Tom Sosine and Jon Gundersen, United Mechanical grew from a small local firm into a regional mechanical contractor. The company built its reputation by taking on technically demanding work and supporting complex projects from design through construction and retrofit.
United Mechanical has worked on projects that meet LEED Platinum and WELL Building Certification standards, and it has incorporated grey water systems and solar heating in multiple installations. That history reflects a steady expansion of skills and capability over time.
Leadership
The founders bring decades of industry experience and maintain an active local presence. Leadership stays involved in project planning, contractor coordination, and community industry groups. Their roots in the region help United Mechanical respond to the specific needs of West Sacramento commercial buildings and the nearby industrial waterfront.
Specialties & Highlights
- Experience with LEED Platinum and WELL-certified building systems.
- Advanced plumbing systems including grey water treatment and solar heating.
- Proven ability to work with the largest regional general contractors on complex projects.
- Recognized among the top mechanical contractors in the region by annual revenue.
- 24/7 emergency support for commercial HVAC and plumbing failures.
Why Locals Choose United Mechanical
Locals pick United Mechanical for steady, practical results on large jobs. The company knows the climate here — hot, dry summers and mild winters — and how that affects HVAC load and water systems in warehouses, offices, and manufacturing spaces.
United Mechanical’s long-standing presence in West Sacramento CA, combined with responsive emergency service and hands-on leadership, gives property owners and contractors confidence when projects become complex or time-sensitive.
For commercial HVAC, plumbing inspection, or a retrofit that must meet high sustainability standards, United Mechanical is a local resource with regional experience.
Contact Information
United Mechanical
: 950 Riverside Pkwy Ste 10, West Sacramento, CA 95605
Business Services
- 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 |














