
Who We Are
Waterproofing Associates Inc. has been in the commercial-industrial roofing and waterproofing business since May of 1992, serving the greater San Francisco Bay Area, Monterey Bay and Central Valley. We are competitive in price and superior in our technical skill and service. We are a Union Contractor that is committed to exceeding the expectations of our customers. Give us a call.

What We Do
We specialize in the installation of both commercial and industrial roofing systems including commercial deck coatings, plaza deck systems and below grade waterproofing systems. We have a complete Service Department to address your roof maintenance needs, tenant improvement projects or roof leak concerns
Meet the Team

Steve Nash
President

Jay Hartung
Vice President

Rob Wyllie
Project Manager

Eileen Wagner
Office Manager

John Ravetti
Project Manager

Eric Moorehead
Project Executive

Mathew Rabong
Project Manager

Randy Carter
Project Manager

Sean McCormick
Project Manager

Kyle Carhart
Project Manager

Juan Landeros
Superintendent

George Timmons
Superintendent

Mike Wilmerding
Superintendent

Jim Vincent
General Service Manager
Kevin Grimes
Service Manager

Jose Orpeza
Service Manager

Jose Zendejas
Service Manager

Matt Mahlke
Accounts Receivable

Maria Mercado
Purchasing Manager

Mark McLauchlan
Accounts Recievable

Jill Aro
Administrative Assistant

Joshua Jones
Contract Administrator

Lorene Fisher
Accounts Payable Clerk

Mike Kessler
Safety Manager

Omar Gonzalez
Equipment Logistics

Alfredo Cruz
Crane Operator
