What HARBOR READY-MIX does

Harbor Ready-Mix is a regional ready-mixed concrete supplier operating from a single central batch plant at 941 Bransten Rd, San Carlos, California. The company is the customer-facing brand (DBA) of NorCal Materials, which itself sits within the U.S. Concrete enterprise (career portal hosted under vulcanmat.taleo.net), with A1 Materials recently absorbed into the operating family. From its San Carlos plant, Harbor Ready-Mix dispatches radio-routed trucks to deliver custom-batched concrete across 40+ cities spanning San Francisco, the Peninsula, South Bay, coastal communities (Pacifica, Half Moon Bay), and East Bay cities (Fremont, Hayward, Milpitas, Newark, Union City), with Saturday delivery availability and Spanish-language customer support.

The product portfolio centers on custom-tailored ready-mix concrete, with each batch proportioned to project-specific requirements for strength, permeability, workability, and appearance. Specialized lines include concrete foundations, driveways, walkways, swimming pool decks, landscape concrete, stamped decorative concrete, and city-specific mix formulations that comply with local sidewalk, curb, and gutter specifications. The company also offers integral concrete coloring sourced from Davis Colors, Scofield, and BASF, and provides a free online cubic-yard calculator (powered by calculator.net) to estimate project volume. Complementary building and landscape materials are accessed through mutual referral partnerships with Westside Concrete Materials (3,000+ SKUs across five Bay Area stores) and LC Frey Company (landscape materials in Redwood City).

Commercially, Harbor Ready-Mix runs a sales-led, phone-first go-to-market model: customers dial 650-365-4811 to consult with concrete specialists who advise on mix design and schedule delivery. Pricing is quote-based and project-specific (billed per cubic yard), paid by cash, check, or credit card, with optional credit accounts for established commercial accounts. The business is entirely transaction-based — no subscription, recurring, or contracted revenue — and customer relationships are horizontal across homeowners, residential contractors, and small commercial contractors, with no disclosed anchor accounts. Marketing relies on the company website, organic social channels (Facebook, Instagram, YouTube, Pinterest, Yelp, LinkedIn), partner referrals, and the Vulcan/U.S. Concrete enterprise infrastructure for talent acquisition.

Name

HARBOR READY-MIX

Legal name

NorCal Materials, DBA Harbor Ready-Mix

Website

https://harborreadymix.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Harbor Ready-Mix is a San Francisco Bay Area ready-mixed concrete supplier, operating a single San Carlos batch plant and delivering custom-batched concrete to homeowners, residential contractors, and small commercial contractors across 40+ Bay Area cities under the NorCal Materials / U.S. Concrete enterprise.

Ownership category

akta.pro rank

Product category

Ready-Mixed Concrete

NAICS

Ready-Mix Concrete Manufacturing (327320), Ready-Mix Concrete Manufacturing (32732)

SIC

Concrete, Gypsum & Plaster Products (3270), Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Ready-Mix Concrete Production & Delivery (IMADAAAA)

Keywords

• Ready-mixed concrete
• Concrete delivery
• Custom concrete batching
• Decorative concrete supply
• Residential concrete services

Headquarters

HQ city

Redwood City

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure

Revenue model

1. Ready-Mixed Concrete Delivery: One-time transaction-based revenue from delivering custom-batched ready-mixed concrete to residential and commercial construction sites. Customers pay per cubic yard of concrete ordered. No recurring revenue model; each project is a discrete transaction.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Harbor Ready-Mix operates a central batch plant in San Carlos, CA that produces custom-batched ready-mixed concrete for delivery to residential and commercial job sites across the San Francisco Bay Area. Each batch is formulated to project specifications for strength, permeability, appearance, and workability, with options for integral coloring (Davis, Scofield, BASF), decorative stamping, and city-specific mix compliance. Concrete is delivered via radio-dispatched trucks covering 40+ Bay Area cities, with Saturday delivery availability.

Product overview

Harbor Ready-Mix operates as a ready-mixed concrete delivery service offering a unified product portfolio centered on custom-batched concrete. The core offering consists of ready-mixed concrete delivery, augmented by specialized product lines including Concrete Colors (integral coloring from Davis, Scofield, and BASF), Landscape Concrete, Walkway Concrete, Swimming Pool Deck Concrete, Concrete Foundations, Concrete Driveways, Stamped Decorative Concrete, and Concrete City Mixes. The company supplements its concrete offerings with complementary services through strategic partnerships: Westside Concrete Materials provides building materials and supplies (over 3,000 products), and LC Frey Company provides landscape materials. A Concrete Calculator tool helps customers estimate cubic yard requirements. All products share the common thread of serving the San Francisco Bay Area construction market, with the ready-mix delivery service being the primary revenue driver and the specialized concrete types and partner offerings serving as differentiated product lines for specific applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Ready-Mixed Concrete Delivery Custom-batched ready-mixed concrete delivered from a central plant to job sites. Each batch is tailored to project-specific requirements for strength, permeability, appearance, and workability based on weather and site conditions. Sold per cubic yard to homeowners, residential contractors, and commercial contractors.
• Concrete Colors Integral concrete coloring using pigments from Davis Colors, Scofield, and BASF. Colors are integrated directly into the concrete mix for outdoor applications including pool decks, driveways, sidewalks, and decorative features.
• Landscape Concrete Ready-mixed concrete designed for landscape borders and patios with customizable mixes and multiple color options to complement existing landscape elements, providing durability, longevity, and easy molding to fit natural landscape forms.
• Walkway Concrete Quality sidewalk concrete mixes for creating versatile walkway designs and long-lasting sidewalks for schools, streets, and residential properties.
• Swimming Pool Deck Concrete Custom-batched swimming pool concrete with options for grade selection, color choice, and deck-specific mix designs, delivered with prompt and safe delivery services.
• Concrete Foundations Ready-mixed concrete specifically crafted for building foundations. Custom batches designed for durability, longevity, and resistance to aging, corrosion, and structural stressors.
• Concrete Driveways High-quality ready-mix concrete for driveway construction with competitive pricing, timely delivery, customizable mixes for residential or commercial properties, and professional pouring services.
• Stamped Decorative Concrete Decorative concrete that mimics the appearance of natural stone, slate, or brick. Creates enhanced outdoor landscape or interior spaces with low maintenance requirements.
• Concrete City Mixes City-specific concrete mix specifications that meet local requirements for sidewalks, driveways, curbs, and gutters. Delivery specialists can look up specifications for each city to ensure compliance.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Westside Concrete MaterialscoreChannel Partner/ Reseller/ DistributorPartnership with Westside Concrete Materials provides customers easy access to building supplies needed for concrete placement. Westside operates multiple stores in the Bay Area (San Jose, San Francisco, South San Francisco, Livermore, Hayward) offering 3,000+ products including lumber, rebar, ADA products, bag products, sealers, tools, rentals (concrete stamps), and aggregates. Harbor Ready-Mix refers customers to Westside for tools and materials needed for concrete projects.
• LC Frey Company, Inc.coreChannel Partner/ Reseller/ DistributorPartnership with LC Frey Company provides landscape materials including top soil, nursery mix, compost, soil conditioners, garden and fill sand, fir bark, crushed drain rock, and fill products. LC Frey operates a yard in Redwood City, CA with 50 years of experience. Products available for pick-up or delivery. Harbor Ready-Mix refers customers needing landscape materials to LC Frey.
• A1 MaterialsminorOthersA1 Materials has joined the Harbor Ready-Mix family, indicating a business consolidation or acquisition expanding Harbor Ready-Mix's operational footprint.

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Quikrete: Largest U.S. producer of packaged concrete and a major player in ready-mix concrete. Comparable on product mix and channel approach, though at national scale versus Harbor's regional focus.
• Holcim US: Major U.S. ready-mix concrete and aggregates producer with California operations. Comparable on core product offering, customer type, and Bay Area service territory.
• Lehigh Hanson: One of North America's largest producers of cement, aggregates, and ready-mix concrete. Comparable on ready-mix operations and customer segments at enterprise scale.
• Cemex: Global building materials company with significant ready-mix concrete operations across California. Comparable on product and customer base at much greater scale and broader geographic reach.
• CalPortland: Major West Coast cement and concrete producer with overlapping Bay Area operations; CalPortland's logo appears on Harbor Ready-Mix's website, indicating an operational relationship. Directly comparable on ready-mix batching and distribution in Northern California.

Direct peers

• National Ready Mixed Concrete Co. California-focused ready-mixed concrete producer serving Southern California markets. Directly comparable on operating model, customer base, and product mix; useful as a regional benchmark outside Harbor's territory.
• Central Concrete Supply: Sister subsidiary under U.S. Concrete, Inc., operating ready-mix plants across the Bay Area. Most directly comparable on operations, customer base, and product mix within the same parent organization.
• A-1 Ready Mix Concrete: California-based ready-mix concrete producer with residential and commercial focus. Comparable on small-to-mid contractor customer focus and ready-mix delivery model, though serving different parts of California.

Regional players

• Peninsula Building Materials: Bay Area concrete, masonry, and building materials supplier with showrooms and ready-mix offerings. Compares on residential/small-contractor customer base and Bay Area service territory.
• Graniterock: Northern California-based construction materials producer with ready-mix concrete, aggregates, and building supplies. Comparable on Bay Area/Central California geographic coverage and full-service materials offering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/harbor-ready-mix

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about HARBOR READY-MIX