Our mission is to deliver the highest quality of products and services to satisfy our customers refrigeration needs. We provide creative customized solutions with the personal touch of our highly trained and motivated personnel. We manage our business with the highest ethical standards resulting in a company where fairness, trust, and integrity govern our customer relations and the way we do business. We pride ourselves on establishing lasting relationships built on quality.

Local to You

Massone Mechanical was established in 1990 to provide Service, Maintenance, and Installation to top tier refrigeration Commercial Businesses in the San Francisco Bay Area. The Owner of Massone was born and raised in the East Bay and is an advocate of community based partnerships.  We have had relationships with several of our customers that span 20 plus years.

Reducing Energy Cost

Massone was an early pioneer in reducing energy cost with a proprietary design process. Our case studies show consistent savings with our designs in comparison to traditional refrigeration systems.





Contact us directly to learn more about our customer first process. Included are only a few reasons our Customers have communicated why the prefer Massone Mechanical.


Our Customers are entitled to service 24 hours a day, 7 days a week, 365 days a year. Each incoming call is answered by a Live Person. Dispatch to our customer locations average 2 hours or less.


Massone Service Verification Process is a multi step process that promotes accuracy without adding to job time.

Affordable Service Contracts

Maintain your investment with monthly or quarterly maintenance that extends that life your equipment.

Authorized Sales, Repair, and Warranty

Massone services Top-Tier Product line including Hoshizaki, Manitwoc and many others

Custom Database

Massone Customer Database identifies short and long term potential savings along with trend analysis.


Our Service Technicians and Management Team have over 150 years of combined experience.


Q: I need service immediately what should I do?

A: Please call 925-945-8501

Q: Do you have a minimum charge for Service?

A: Yes, 1-hour minimum charge during regular business hours. Overtime rates apply after hours

Q: Can I use a credit card?

A: Yes, all major credit cards accepted

Q: I own a Franchise or I am an operator, can Massone assist us?

A: Yes, please contact us with your needs

Q: Do you service State or County owned facilities?

A: Absolutely

Q: I own a restaurant or factory do you service my industry?

A: Yes

Q: Is Leasing available?

A: Yes, we offer some leasing options. Please contact us with your needs.

Q:I need a copy of my Invoice can you email it?

A: Yes, please email your request to customerservice@massonemechanical.com

Q: I have a large scale construction project we need design help?

A: Yes, we can help with most all of your project needs