
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

Dennis Ryan
CEO

Steve Nash
President

Jay Hartung
Vice President

Eileen Wagner
Office Manager

Rob Wyllie
Project Manager

Rodger Odom
Sr. Project Manager

John Ravetti
Project Manager

Eric Moorehead
Project Executive

Mathew Rabong
Project Manager

Randy Carter
Project Manager

Sam Houston
Project Manager

Sean McCormick
Project Manager

Kevin Grimes
Service Manager

Jim Vincent
General Service Manager
Jose Orpeza
Service Manager

Mike Kessler
Service Manager

Mark McLauchlan
Contract Administrator

Maria Mercado
Purchasing Manager

Matt Mahlke
Accounts Receivable

Jill Aro
Administrative Assistant

Joshua Jones
Administrative Assistant

Lorene Fisher
Accounts Payable Clerk

George Timmons
Superintendent

Lupe Gonzalez
Superintendent

Mike Wilmerding
Superintendent

Omar Gonzalez
Equipment Logistics

Alfredo Cruz
Crane Operator
