US · FMCSA ACTIVE
PETERSON MECHANICAL INC
Sonoma, CA 95476 · DOT 2733519
Company profile
Web-discovered · as of 2026-07-30
Peterson Mechanical Inc. is a Sonoma-based design-build mechanical contractor specializing in HVAC, plumbing, and refrigeration for healthcare, technology, and wineries across the San Francisco Bay Area. Operating as a private fleet, they utilize vehicles for transporting specialized equipment and p
Fleet use
Specialized service
Operating scope
Regional
Service model
own account
Equipment
specialized, box truck
Ownership
Private
Employees
51-200
Networks & associations
MCA Northern California
Industries served
constructionhvacplumbingrefrigeration
HQ · 21819 8th St E, Sonoma, CA 95476
Active website, 2026 local news, and recent project contracts (2025/2026) confirm ongoing operations.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
70
power units
Activity
road freight carrier
private licence
In operation since
2015
32 drivers
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