Our Story

What makes us so great

Our Story


Established in 2000 by good friends, Warren Holt and Bob Leppek, Central Valley Engineering & Asphalt has become a regional construction leader. As a State Board Licensed Professional Engineering Contractor, we hold the highest standard of competence and assurance of quality.

We specialize in asphalt paving, concrete construction, grading, and underground utilities. Our projects range from small driveways to large municipal roadway reconstruction projects. We have a broad range of customers including public, military, commercial, industrial and private construction with a proven track record of customer satisfaction.

We exist to build smooth, long-lasting surfaces that improve the curb appeal and value of your property while adding the durability and practicality your surfaces need. With our own equipment, we are committed to delivering high quality asphalt or concrete solutions at the best rates.

We believe in creating and maintaining long term partnerships with our customers, vendors and our community. We aim to earn and retain their trust year after year through excellent service from a team of talented hard-working individuals. Our company growth has brought life to hundreds of shopping centers, homes, city streets and more. Much of our work comes from the recommendation of our customers who spread their satisfaction to others. These relationships with customers support our pledge and dedication to our work.

Meet the people that make our business thrive

Our Team


Warren Holt

Warren Holt

President

Since 2000

Bob Leppek

Bob Leppek

Vice President

Since 2000

James Castle

James Castle

Chief Financial Officer

Since 2005

James Wagner

James Wagner

Controller

Since 2007

Jamie Gruzas

Jamie Gruzas

Office Manager

Since 2003

Lisa Monciardini

Lisa Monciardini

Accounts Payable/Payroll

Since 2020

Paul Aguirre

Paul Aguirre

Estimator

Since 2001

Phil Buffington

Phil Buffington

Project Manager/Estimator

Since 2016

Rob Hannah

Rob Hannah

Project Manager/Estimator

Since 2022

John Castle

John Castle

Project Manager

Since 2022

Ruben Huerta

Ruben Huerta

Project Engineer

Since 2005

Joey Hannah

Joey Hannah

Project Engineer

Since 2022

Bayley Follett

Bayley Follett

Project Engineer

Since 2022

Grant Leppek

Grant Leppek

Project Engineer

Since 2022

Paul Gardiner

Paul Gardiner

Superintendent

Since 2000

Justin Ferrara

Justin Ferrara

Superintendent

Since 2022

Paul Medich

Paul Medich

Superintendent

Since 2005

Isidro Mercado

Isidro Mercado

Superintendent

Since 2014

Rich Paul

Rich Paul

Dispatcher

Since 2016

Kevin Spraggins

Kevin Spraggins

Equipment Manager

Since 2012

Mark Reitz

Mark Reitz

Shop Foreman

Since 2005

Kalli Spraggins

Kalli Spraggins

Fleet/Safety Coordinator

Since 2023

Our certifications

Meet the people that get the job done

Our Crew