Business Details
Trusted Construction Materials & Contracting Services in California
Graniterock is a family-owned construction materials and contracting company established in 1900, headquartered in Watsonville, California. With over a century of experience, we specialize in providing high-quality aggregate, sand, concrete, recycled materials, and hot mix asphalt, serving the Monterey and San Francisco Bay Areas. Our flagship quarry in Aromas, California, supports our reputation as a premier supplier of construction materials. The company's Construction Division excels in heavy civil infrastructure projects, delivering paving, excavating, grading, and underground utility services under California Contractors License Number 22. Our Transportation Division ensures efficient product delivery statewide through rail and trucking services.We prioritize a workplace culture where inspired employees thrive, building enduring customer relationships while maintaining a commitment to quality and community. Our legacy of trust, quality, and craftsmanship extends to partnerships with Caltrans, public agencies, and leading contractors across California. Projects range from highways and bridges to commercial developments, executed safely, on schedule, and on budget. Our unique Short Pay Policy guarantees customer satisfaction by resolving issues promptly. We also invest in community development through initiatives like our summer internship program for college students.
Services
Construction
Transportation
Pavement Recycling
Aggregate Supply
Concrete Production
Details
- Year established: 1900
Highlights and features
- Family-owned since 1900 with century-spanning industry expertise
- In-house transportation division ensures reliable statewide delivery
- Heavy civil construction specialists with Caltrans partnerships
- Short Pay Policy guarantees customer satisfaction and accountability
- Community investment through internship programs and sustainable practices
Services
Construction
Graniterock's construction division executes complex infrastructure projects including highways, bridges, and commercial developments. Our team delivers paving, excavation, grading, and underground utility services with a focus on safety and quality. With over 120 years of experience, we serve Caltrans, public agencies, and major contractors across California.
Transportation
Our dedicated transportation division provides statewide material delivery through rail and trucking services. This in-house capability ensures timely and reliable transport of aggregates, concrete, and asphalt to job sites across California, supporting both large-scale infrastructure projects and local developments.
Pavement Recycling
Graniterock offers pavement preservation and recycling solutions that extend road life while reducing environmental impact. Our techniques include partial depth recycling and asphalt rejuvenation, serving municipal and commercial clients seeking cost-effective, sustainable maintenance options for existing infrastructure.
Aggregate Supply
We supply a comprehensive range of aggregates including granite, river rock, sand, and recycled materials. Products like Wilson 1-1/2" Class II Baserock and 1/2" Drain Rock meet specifications for both large infrastructure projects and residential applications across California.
Concrete Production
Our concrete division produces high-quality ready-mix formulations for commercial and residential projects. Available in various strengths and mixes, our concrete solutions support structural integrity for foundations, pavements, and specialty applications throughout California.
Questions
What construction services does Graniterock offer?
We provide paving, excavation, grading, utility installation, and infrastructure projects for highways, bridges, and commercial developments.
How can I apply for a Graniterock line of credit?
Complete our online credit application form available on our website for approval to access materials and services.
Which areas does Graniterock serve?
We operate statewide in California, with primary service areas including Monterey and the San Francisco Bay Area.
How does Graniterock handle customer satisfaction issues?
Our Short Pay Policy allows immediate resolution of concerns - contact us directly to address any project discrepancies.
Can homeowners purchase materials directly?
Yes, our stores welcome homeowners and most locations are open Saturdays for convenient access to construction materials.
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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.
