Calstone Company

What Calstone Company does

Calstone Company is a California-based regional distributor of premium hardscape products, operating as a subsidiary of Oldcastle APG Company. Founded in 1947 and headquartered in Tracy, California, the company distributes Belgard-branded paving stones, retaining wall systems, and landscape structures to homeowners and residential contractors through an authorized dealer network across Northern California, supported by four physical locations in Tracy, San Martin, Galt, and Gilroy.

The company's product portfolio centers on Belgard Pavers (including Antiqued Flat Top, Classic Cobble, Quarry Stone, and permeable paver lines such as Narrow Joint Permeable Mission and Turfstone Grid Paver), Belgard Wall Systems (AB Classic Collection, AB Europa Collection, Weston Stone Wall), and complementary landscape structures and Techniseal accessories. Manufacturing is described as leveraging advanced equipment and processes with high-grade raw materials, although Calstone's role is principally that of a regional distributor and brand operator rather than an independent manufacturer.

Calstone generates revenue through one-time sales of physical hardscape products to end customers routed via its dealer network. Pricing is not publicly disclosed and is set at the dealer level. The company supports its dealer channel with a Wix-based website featuring a Dealer Locator, downloadable catalogs and color swatch books, and a presence on LinkedIn, Pinterest, Facebook, YouTube, and Houzz. There are no disclosed funding rounds, M&A activity, AI/technology capabilities, or named enterprise customers in the available data.

Name

Calstone Company

Legal name

Calstone Company

Website

https://calstone.com

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

51–100 employees

Short description

Calstone Company is a Tracy, California-based regional distributor of Belgard-branded paving stones, retaining walls, and landscape structures, serving homeowners and residential contractors via an authorized dealer network across Northern California since 1947.

Ownership category

akta.pro rank

Product category

Concrete Masonry and Hardscape Products

NAICS

Concrete Pipe, Brick, and Block Manufacturing (32733)

SIC

Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Masonry & Hardscapes Retail (Brick, Block, Pavers, Stone) (CRAIAEAF)

Keywords

• Concrete paving stones
• Hardscape products
• Retaining wall systems
• Landscape structures
• Outdoor masonry materials

Headquarters

HQ city

Tracy

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Paving Stones and Hardscape Products: Calstone generates revenue through the sale of premium paving stones, retaining walls, landscape structures, and accessories. Products are sold through their dealer network to homeowners and contractors for outdoor residential and commercial applications.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Calstone manufactures and distributes premium Belgard-branded concrete masonry products, including paving stones, retaining wall systems, and landscape structures for outdoor residential and commercial applications. The company operates as a regional hardscape supplier in California, selling its products through an authorized dealer network to homeowners, contractors, and commercial customers. Calstone also offers Techniseal accessories including jointing sand and sealers for installation and maintenance of paving stone installations.

Product overview

Calstone Company is an authorized Belgard dealer offering a comprehensive portfolio of hardscape products for residential and commercial outdoor spaces. The product line centers on Belgard Pavers (including Antiqued Flat Top, Classic Cobble, Quarry Stone, Turfstone Grid Paver, Narrow Joint Permeable Mission/Quarry Stone, and Marina Coping), Belgard Wall Systems (the AB Classic Collection, AB Europa Collection, and Weston Stone Wall), and Landscape Structures for outdoor living. Accessories include Techniseal jointing and sealing products. Calstone acts as a regional distributor serving California through its physical locations in Tracy, San Martin, Galt, and Gilroy, providing catalog and swatchbook resources alongside dealer locator services.

Differentiator

Problem solved

Functional benefit

Brands

• Belgard: Brand of premium paving stones, retaining walls and landscape structures sold by Calstone

Products and services

• Antiqued Flat Top Antiqued-style flat top paver with a classic, aged appearance, suitable for driveways, walkways, and patios. Part of the Belgard paver line distributed by Calstone in California.
• Classic Cobble Traditional cobble-style paver designed to evoke Old World charm for driveways and outdoor living areas. Distributed by Calstone as part of the Belgard paver line.
• Narrow Joint Permeable Mission Permeable paver with narrow joints designed for sustainable water drainage applications with Mission-style aesthetics. Part of Belgard's permeable paver offering distributed by Calstone.
• Turfstone Grid Paver Grid-style permeable paver that allows grass or turf to grow through, ideal for driveways, parking areas, and erosion control. Distributed by Calstone in California.
• Quarry Stone Rustic-style paver inspired by natural quarry stone, designed for driveways and walkways. Part of the Belgard paver portfolio distributed by Calstone.
• Narrow Joint Permeable Quarry Stone Permeable version of Quarry Stone with narrow joints for sustainable drainage applications. Distributed by Calstone as part of Belgard's permeable paver line.
• Marina Coping Bullnose coping stone designed for pool edges, step treads, and other applications requiring rounded edges. Distributed by Calstone as a Belgard accessory.
• AB Classic Collection Segmental retaining wall block system for creating functional and decorative gravity walls, terraces, and outdoor living features. Distributed by Calstone as part of the Belgard Wall Systems line.
• AB Europa Collection European-inspired segmental retaining wall system offering a refined, modern aesthetic for residential and commercial applications. Distributed by Calstone as part of the Belgard Wall Systems line.
• Weston Stone Wall Stackable wall stone designed for constructing retaining walls, garden borders, and outdoor living structures. Distributed by Calstone as part of the Belgard Wall Systems line.
• Landscape Structures Hardscape landscape structures including outdoor living elements such as fire features, kitchen components, and decorative outdoor amenities. Distributed by Calstone in California.
• Techniseal Accessories Jointing sand, sealers, and maintenance products for installing and preserving paving stone installations. Distributed by Calstone as Belgard accessories.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• Oldcastle APGcoreStrategic or Co-development PartnerCalstone is a subsidiary of Oldcastle APG Company. As part of the Oldcastle APG family, Calstone distributes Belgard-branded hardscape products including paving stones, wall systems, and landscape structures. The company operates under the Oldcastle APG Pacific Locations banner.
• TechnisealChannel Partner/ Reseller/ DistributorTechniseal is referenced as an accessory provider for Calstone's product offerings. The link to Techniseal products is provided under the Accessories section of the Calstone website.

Scale indicators1 record

Recent moves5 records

Expansion highlights3 records

Direct peers

• Belgard: Belgard is the parent-aligned hardscape brand whose entire paving stone, wall, and landscape structure portfolio Calstone distributes in California. Belgard's national catalog, warranty programs, and design tools underpin Calstone's offering, making it the closest comparable in product mix and customer base.
• Pavestone: Pavestone is a major manufacturer of concrete pavers, segmental retaining walls, and outdoor living products sold through dealer and retailer networks across the U.S. Its product categories — pavers, walls, and landscape accessories — directly overlap with Calstone's Belgard lineup, serving similar residential contractors and homeowners.
• Keystone Hardscapes: Keystone Hardscapes manufactures concrete pavers and segmental retaining wall systems distributed through a regional dealer network similar to Calstone. Its Retaining Wall and Paver product lines target the same residential hardscape buyer and compete head-to-head on dealer shelves in the Western U.S.
• Techo-Bloc: Techo-Bloc is a premium manufacturer of concrete pavers, slabs, and wall products distributed through a dealer network. Its premium aesthetic positioning, focus on outdoor living, and dealer-led GTM model closely mirror Calstone's Belgard-driven approach, making it a like-for-like competitor in the premium hardscape tier.
• EP Henry: EP Henry manufactures concrete pavers, walls, and outdoor living products and sells through an authorized dealer network across the Mid-Atlantic and U.S. Its product breadth, dealer-distribution model, and homeowner/contractor customer base are directly comparable to Calstone's Belgard distribution business.
• Basalite Concrete Products: Basalite is a Western U.S. manufacturer of concrete masonry, pavers, retaining walls, and related hardscape products. Its Pacific Coast manufacturing footprint and dealer-channel distribution overlap directly with Calstone's California operations, including product categories like segmental retaining walls and concrete pavers.
• Unilock: Unilock is a manufacturer of premium concrete pavers and wall products distributed through a dealer network across North America. Its premium product positioning, dealer-led sales motion, and emphasis on outdoor living aesthetics place it in direct competition with Calstone's Belgard distribution in U.S. markets.

Broad incumbents

• Oldcastle APG: Oldcastle APG is Calstone's parent company and the largest U.S. producer of concrete masonry, pavers, and hardscape products under brands like Belgard, Pavestone, and others. It operates a broader portfolio of plants, distribution yards, and retail brands than Calstone, but Calstone is a regional operating unit within its Pacific Locations footprint.

Regional players

• Mutual Materials: Mutual Materials is a Pacific Northwest manufacturer and distributor of concrete masonry, pavers, and retaining wall products serving Washington, Oregon, and Idaho. Its product categories and dealer-distribution model mirror Calstone's, though its geographic focus is north of Calstone's California footprint.
• County Materials: County Materials Corporation manufactures and distributes concrete masonry, pavers, retaining walls, and precast products across the Midwest and broader U.S. Its decentralized yard model and product breadth are comparable to Calstone's multi-location California operation, though its core geography is outside the Western U.S.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC89GG2IjJtUwj6_Wwx9DXfA
• Facebookfacebook.com/calstoneco
• LinkedInlinkedin.com/company/calstone-co
• Pinterestpinterest.com/CalstoneCompany

Revenue estimate

Valuation estimate

Number of profiles

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 Calstone Company