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Faith built and quality will sustain.

From trusted craftsmanship to lasting results, Stinson Mechanical Contractors delivers projects that stand the test of time and exceed expectations.

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About

With a proud 30-year legacy, our family-run general contracting company excels in both commercial and residential construction projects. We serve cities throughout the Southern California counties of Los Angeles, Riverside, Orange and San Diego.

Services

Specializing in comprehensive services, we bring unparalleled expertise in commercial and residential plumbing, as well as heating, ventilation, and air conditioning (HVAC) solutions.

General Construction Plans

01

Our general construction planning service ensures every project starts with a clear, organized strategy tailored to your goals. From timelines and budgeting to coordination of trades, we lay the foundation for efficient, high-quality results.

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Accessory Dwelling Units (ADU)

02

Our ADU service helps homeowners maximize their property’s potential with functional, well-designed accessory dwelling units. From planning to construction, we handle every detail to create additional living space that adds comfort and long-term value.

Full

Renovation Estimate

03

Our full renovation estimating service provides a clear, detailed breakdown of costs before work begins. We give you the transparency and accuracy needed to plan confidently and avoid unexpected surprises.

Building Maintenance

04

Our building maintenance service keeps your property running smoothly with proactive care and reliable repairs. From routine inspections to quick solutions, we help extend the life of your systems and prevent costly downtime.

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Testimonials

New Gas Line

“Stinson Mechanical Contractors installed a new gas line at my home, and the entire experience was seamless. The team arrived on time, communicated clearly throughout the process, and completed the work safely and efficiently. It’s rare to find a company that’s both professional and genuinely kind. They made what could’ve been a stressful project incredibly easy. I wouldn’t hesitate to hire them again.”

— Roberta Moore, Long Beach, CA