Business Details
Your Trusted Partner for Construction Materials & Contracting
Founded in 1900, Graniterock stands as a family-owned construction materials and contracting company rooted in California. Our legacy is built on trust, quality, and craftsmanship, serving the Monterey and San Francisco Bay Areas as a premier supplier of aggregate, sand, concrete, and hot mix asphalt. With a flagship quarry in Aromas, California, we specialize in heavy civil infrastructure projects, delivering high-quality paving, grading, and underground utility services. Our in-house Transportation Division ensures efficient product delivery across the state, while our Construction Division executes complex projects for Caltrans and leading contractors. Guided by core values that prioritize people and community, we combine over a century of experience with innovative solutions to meet evolving industry demands.Our commitment to excellence is reflected in our California Contractors License Number 22 and our reputation for reliability. Through initiatives like our internship program, we invest in future generations while maintaining a focus on sustainable practices and customer satisfaction. Our unique Short Pay Policy guarantees client confidence, ensuring payment only upon complete satisfaction. With a workforce dedicated to doing the job safely, efficiently, and on schedule, Graniterock continues to build enduring relationships with clients and communities across California.
Services
Aggregate Supply
Concrete Production
Heavy Civil Construction
Pavement Recycling
Transportation Logistics
Details
- Year established: 1900
Highlights and features
- Family-owned since 1900 with century-spanning industry expertise
- Vertically integrated operations from quarry to construction site
- Specialized heavy civil infrastructure experience for Caltrans projects
- Unique Short Pay Policy guaranteeing client satisfaction
- Community investment through internship programs and sustainable practices
Services
Aggregate Supply
Graniterock provides high-quality aggregate products including granite recycle, river rock, and specialized construction materials. Our aggregates meet strict industry standards for durability and performance in infrastructure projects. With multiple quarry locations and transportation capabilities, we ensure consistent supply for large-scale civil engineering applications.
Heavy Civil Construction
Our construction division specializes in complex infrastructure projects including highways, bridges, and flood protection systems. With California Contractors License Number 22, we deliver projects on schedule and within budget while maintaining safety and quality standards. Recent projects include the Llagas Creek Flood Protection initiative protecting 1,100 homes.
Concrete Production
Graniterock manufactures premium ready-mix concrete for commercial and residential construction applications. Our concrete products meet environmental and structural requirements for modern construction projects. With local production facilities, we ensure timely delivery of fresh concrete to job sites across California.
Transportation Logistics
Our dedicated transportation division handles material delivery through trucking and rail services. This vertical integration ensures reliable supply chain management for construction materials including aggregates, asphalt, and concrete products to project sites statewide.
Pavement Recycling
Graniterock's pavement preservation services include full-depth reclamation and asphalt recycling solutions. These sustainable practices extend roadway lifespans while reducing environmental impact. Our technical team applies specialized methods for both public infrastructure and private commercial developments.
Questions
What construction services does Graniterock offer?
We provide heavy civil infrastructure services including highway construction, bridge work, flood protection projects, and underground utility installation.
How long has Graniterock been in business?
Our family-owned company has operated continuously since our founding in 1900, serving California for over 120 years.
What payment methods do you accept?
We offer flexible payment options including credit accounts for commercial clients. Contact our office for specific payment terms.
Do you serve residential customers?
Yes, our stores welcome homeowners and carry materials for home improvement projects including landscaping and paving.
What is your Short Pay Policy?
Our guarantee states: If you're not satisfied, don't pay. We'll resolve any issues immediately before payment is required.
Do you offer internship programs?
Yes, our annual internship program trains 14 college students in construction materials and contracting operations each summer.
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Reviews (2)
Randy B.
Jun 22, 2018
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Please move. I live close by.way too much dust.get a street sweeper.if you live close by don't open your Windows.you won't Be able to breath.it's terrible
Joseph B.
Jun 03, 2016
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This place has everything you need from crushed rock in different sizes, pea gravel, 1/4'' chip, sand, base rock to concrete/asphalt dumping. Check in at the scale tell the weigh master what you want get loaded & reweigh with your product pay your fee & your on your way.
