Northern Aggregates
Categories
Landscaping Contractors Architectural Design & Building
About
PRODUCTS FOR SUSTAINABLE COMMUNITY
Locally owned & operated, and proudly serving Mendocino County for over 40 years.
Northern Aggregates is a leader in the aggregate industry.
We process and deliver quality Aggregate products from Pit Run to Rip Rap for use in landscaping, drainage, road building and maintenance, and much more. Aggregates are the most mined material in the United States. We focus on safety and efficiency when producing our Aggregates that are used to build our infrastructure and our communities.
Who We Are
We employ experienced and highly skilled staff in the aggregate industry including geologists, mining and civil engineers. Northern Aggregates rock materials from the Harris Quarry are used on State or Federal Highways in Mendocino County. We work regularly with all cities in Mendocino and throughout the county on emergency relief work, disaster prevention, and ensuring materials for community emergencies such as floods, fires, and earthquakes are readily available.
Commitment to Our Community
As active community members for the last 40 years, we care about our community and support our Willits and Mendocino nonprofits, school and community sports teams, agriculture, 4-H, schools, fairs, fundraisers and other events.
We service Mendocino, Lake, Sonoma, Colusa and Humboldt Counties. From coastal to inland California. We provide quality Aggregate and Rock Slope Protection to California State Parks, Cal Trans, City of Ukiah, City of Willits, Mendocino & Lake County DOT and our community. If you have a landscaping project we encourage you to stop by and take a look at what is available to put your vision into place.
We look forward to working with you. No job is too big or small.
We are located in Mendocino County just west of Highway 101, 15 minutes North of Ukiah, and 5 Minutes South of Willits. Harris Quarry has been owned by Northern Aggregates, Inc. since the 1980s and has been mined off and on since the 1920s.
Northern Aggregates (Business Office) | Harris Quarry (Deliveries) |
| Mailing Address: P.O. Box 1566, Willits, CA 95490 | 16410 N. Highway 101, Willits, CA 95490 |
| Physical Address: 500 Cropley Lane, Willits CA 95490 | (707) 459-0615 |
| (707) 459-3929 - Business Office Phone |
Additional Info
HIGHLIGHTS:
- 1-1/2" Base
- Sand
- 3/4" CL II Aggregate Base
- 3/4" Drain
- 3" to 6" TCE
- 6" to 12" Cobble
Northern Aggregates, Inc. (NAI) has an excellent aggregate supply, principally from Harris Quarry. Precision crushing, screening and washing machinery produce strong aggregates that can meet rigorous state and federal project specifications. We produce standard products including those meeting Caltrans and/or American Society for Testing and Materials (ASTM) specifications are available such as asphalt mineral aggregate, facing stone, rip rap, chips, aggregate base, shoulder backing, PCC grade aggregates, sand, backfill, and more. Various specialty products can also be produced at customer request.
Construction aggregate or simply “aggregate” is coarse particulate materials such as sand, gravel, crushed stone and recycled concrete. Aggregates add strength to composite materials such as concrete or asphalt. Aggregates are also used extensively in drainage applications and as base material under foundations, highways, railroads and dams.
Stone quarrying is the multistage process by which rock is extracted from the ground and crushed to produce aggregate, which is then screened into the sizes required for immediate use on roads and construction projects. For some projects, the rock requires further processing or sizing, such as size of product and adding a special coating.
Business Hours : Monday - Friday 7:00 AM - 3:30 PM | CLOSED Saturday & Sunday
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