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John Mastropolo - Email & Phone Number

PRESIDENT at Mason West

John Mastropolo is based out of Placentia, California, United States and works at Mason West as PRESIDENT.

John Mastropolo's Contact Information

John Mastropolo's Work email
j*****@masonw***.com
Valid
Latest update
October 11, 2025
Location
Placentia, California, United States

John's current employer

Mason West logo

Mason West

Description
Mason West sets the standard as a leading engineering company. We provide our services throughout California, Nevada, and Hawaii. Visit o...
Website
masonwest.com
HQ Location
Placentia, California, United states
Number of employees
11-50
Industry
Construction
Latest update
April 30, 2024
Read about Mason West

Frequent questions about John Mastropolo

What company is John Mastropolo working for?
John Mastropolo works for Mason West.
What is John Mastropolo's function at Mason West?
John Mastropolo is PRESIDENT at Mason West.
Where is John Mastropolo based?
John Mastropolo is based out of Placentia, California, United States.
What is John Mastropolo's work email address?
John Mastropolo's professional email address is j*****@masonw***.com
Who are John Mastropolo's co-workers?
John Mastropolo's colleagues are Aaron Steger, Bill Berzin, Juan Yniguez, Jimmy Wong, Natalie Roth, Jessie Pertoso, Nancy Koppang, Laura Hendrickson.
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John's co-workers

Aaron Steger avatar
Aaron Steger
Vice President
Bill Berzin avatar
Bill Berzin
Lead Estimator - Northern California
Juan Yniguez avatar
Juan Yniguez
Purchaser/Order Entry
Jimmy Wong avatar
Jimmy Wong
Principal Structural Engineer
Natalie Roth avatar
Natalie Roth
Sales Assistant
Jessie Pertoso avatar
Jessie Pertoso
Office Manager, Sales Engineer
Nancy Koppang avatar
Nancy Koppang
Chief Estimator till August Retirement
Laura Hendrickson avatar
Laura Hendrickson
Assistant Engineer
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