Name: O.C. McDonald Co., Inc.
Address: 1150 W San Carlos St, San Jose, CA 95126, San Jose, California, 95126, US
Telephone: +1408-295-2182
Rating: 4.4

Key Highlights

Serving the greater Silicon Valley
Over 100 years of industry experience
Single-source project management approach
24-hour live operator for emergency service
Expertise in building automation systems

About O.C. McDonald Co., Inc.

O.C. McDonald Co., Inc. is a full-service mechanical contractor based in San Jose, CA, serving the greater Silicon Valley area. The company specializes in HVAC installation, plumbing, process piping, and building automation systems for commercial new construction, retrofits, and residential projects. With over 100 years of experience since 1906, they offer comprehensive design, installation, and 24-hour emergency service through a live operator to address urgent needs promptly.

Our Expert Evaluation

Workmanship Quality:

4.7

Responsiveness & Reliability:

4.2

Pricing Transparency & Value:

4.9

Professionalism & Communication:

4.3

Safety & Compliance:

3.9

Aftercare Support & Warranty:

4.6

Overall Rating

4.4/ 5.0

Based on

6 Categories

We rate HVAC providers on service quality, technical expertise, responsiveness, customer feedback, value for money, and reliability, using a mix of verified reviews and independent research.

Service Types

HVAC Installation

Amenities

HVAC Installation

Plumbing Services

Process Piping

Building Automation Systems

Commercial New Construction and Retrofit

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