GBC Concrete and Masonry Construction

What GBC Concrete and Masonry Construction does

GBC Concrete and Masonry Construction, Inc. is a commercial subcontractor founded in 1986 and headquartered in Lake Elsinore, California, operating as an open-shop (non-union) concrete and masonry contractor across California, Nevada, and Oregon. The firm provides two principal service lines: structural concrete capabilities (foundations, mat slabs, slab-on-grade, poured-in-place walls, elevated post-tension slabs, slabs over metal pan decks, podium decks, and parking structures) and masonry capabilities (heavy structural and architectural building walls, mid-rise mixed-use work, brick/stone/precast applications, and decorative CMU finishes including split-faced, burnished, and shot-blast treatments). Technical differentiation centers on the execution of very large-scale concrete pours — including a 9,600+ cubic-yard continuous pour completed in 12 hours for the Downtown LA Motors Mercedes Benz project — supported by BIM-enabled pre-construction and design-build assist workflows.

The company serves primarily commercial general contractors through relationship-based, negotiated subcontracts rather than competitive hard bidding, maintaining more than 50 active accounts and a portfolio of 187+ completed projects spanning auto dealerships, healthcare facilities, education, fitness and recreation, mixed-use/podium, commercial offices, industrial, storage, and aviation verticals. Revenue is generated on a project-by-project, fixed-price subcontract basis negotiated with the general contractor of record; pricing is not publicly disclosed. Notable clients include Walters Automotive Group (Mercedes, Porsche, Audi Riverside/Ontario), Beverly Hills BMW, Pomona Valley Hospital, Mater Dei High School, Indian Wells Tennis Garden (Stadium 2), and Lifetime Fitness. GBC is privately held, appears founder/family-owned, has not raised institutional capital, and employs 180–200 full-time professionals (250 total) out of an 8,000-square-foot operations headquarters.

Name

GBC Concrete and Masonry Construction

Legal name

GBC Concrete and Masonry Construction, Inc.

Website

https://gbcconstruction.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

101–250 employees

Short description

GBC Concrete and Masonry Construction is a privately held commercial subcontractor in Lake Elsinore, California, providing structural concrete and masonry services — including foundations, post-tension slabs, parking structures, and decorative CMU — to general contractors across California, Nevada, and Oregon.

Ownership category

akta.pro rank

Product category

Commercial Construction Services

NAICS

Poured Concrete Foundation and Structure Contractors (23811), Commercial and Institutional Building Construction (236220), Commercial and Institutional Building Construction (23622)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Office & Corporate Building Construction (IMAFACAA)

akta.pro secondary industries

Concrete Masonry Units (CMU) & Concrete Blocks (IMADABAB), Post, Footing & Foundation Work for Outdoor Structures (HSAIAJAL), Concrete Masonry Units (CMU) & Segmental Concrete Products (IMADAAAC)

Keywords

• Commercial concrete construction
• Masonry subcontracting services
• Structural concrete services
• Commercial building construction
• Concrete foundation services

Headquarters

HQ city

Lake Elsinore

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Commercial Concrete Subcontracting: GBC generates revenue as a commercial subcontractor providing concrete and masonry construction services. Revenue is project-based, earned through negotiated contracts with general contractors for specific construction projects including foundations, structural concrete, and masonry work.
2. Masonry Construction Services: Masonry subcontracting services including heavy structural and architectural building walls, brick, stone, precast applications, and decorative finishes. Revenue is earned per project on a subcontract basis.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

GBC Concrete and Masonry Construction is a commercial subcontractor providing concrete and masonry construction services to general contractors and project owners. The company delivers structural concrete work (foundations, podium decks, parking structures, poured-in-place walls, elevated post-tension slabs, metal pan decks) and masonry work (heavy structural and architectural walls, decorative CMU finishes, brick, stone, and precast applications) across commercial, retail, educational, healthcare, fitness, stadium, industrial, storage, aviation, and environmental project types primarily in Southern California with operations in Nevada and Oregon.

Product overview

GBC Concrete and Masonry Construction, Inc. is a commercial subcontractor offering two primary service lines: Masonry Capabilities and Structural Concrete Capabilities. Their masonry services include heavy structural and architectural building walls, decorative CMU finishes, brick, stone, and precast applications with BIM technology support. Their structural concrete services cover foundations, podium decks, parking structures, mat slabs, slab on grade, poured-in-place walls, elevated post-tension slabs, and metal pan deck installations. The company serves diverse market segments including auto dealerships, commercial, education, medical centers, fitness centers, stadiums, industrial, storage, aviation, and environmental facilities. They operate as an open-shop contractor in California, Nevada, and Oregon, with projects throughout Southern California. The company was founded in 1986 and has completed over 187 projects with a workforce of approximately 250 employees.

Differentiator

Problem solved

Functional benefit

Products and services

• Masonry Capabilities Masonry construction services covering heavy structural and architectural building walls, mid-rise mixed use structures, pre-construction and design-build assist with BIM technology, decorative finishes in building and site CMU applications, and brick, stone, and precast applications. Sold to commercial general contractors and project owners.
• Structural Concrete Capabilities Structural concrete construction services including foundations, podium decks, parking structures, concrete mat slab, slab on grade, poured-in-place concrete wall construction, elevated post-tension concrete slabs, and slabs over metal pan decks and stair pans. Sold to commercial general contractors.
• Auto Dealership Construction Specialized construction services for auto dealership facilities including large foundation pours, multi-level parking structures, and masonry work for showrooms and service areas.
• Commercial Construction Commercial construction services for retail, industrial, educational, religious, and hospitality projects including auto dealerships, fitness centers, medical centers, schools, stadiums, parking structures, podium decks, and mid-rise mixed use buildings.
• Education Construction Construction services for educational facilities including schools, with masonry work and concrete foundations, slab on grade, and metal deck slabs.
• Parking Structures Construction of parking structures including elevated post-tension concrete slabs and multi-level parking facilities.
• Low/Mid-Rise Podium Deck Construction Low and mid-rise podium deck construction services combining residential, commercial, and parking uses.
• Mid-Rise Mixed Use Construction Construction services for mid-rise mixed use buildings combining residential, commercial, and parking uses.
• Industrial Construction Industrial construction services for various industrial facilities.
• Storage Facility Construction Construction services for storage facilities.
• Aviation Facility Construction Construction services for aviation facilities.
• Environmental Construction Construction services for environmental facilities.

Quantifiable outcome

• Completed 9,600+ cubic yards of concrete pour in 12-hour period for Downtown LA Motors Mercedes Benz project - one of the largest single pours in Los Angeles County history
• +4 more outcomes

Named customers25 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Masonry Contractors Association (MCA)minorOthersIndustry association membership providing networking opportunities, industry standards, and professional credibility within the masonry construction sector.
• Associated General Contractors (AGC)minorOthersLeading construction industry association membership providing access to industry resources, training, networking, and professional development opportunities.
• Scaffold Industry AssociationminorOthersIndustry association membership related to scaffolding and access equipment standards and best practices in the construction industry.
• Watkins LandmarkcoreStrategic or Co-development PartnerStrategic partner on the Indian Wells Tennis Garden Stadium 2 project. GBC collaborated with Watkins Landmark on this fast-track project requiring completion before the BNP Paribas Open tennis tournament. GBC's Masonry Division installed approximately 100,000 blocks and thousands of feet of decorative screen walls.

Scale indicators6 records

Recent moves6 records

Expansion highlights3 records

Broad incumbents

• Swinerton: Large California-headquartered general contractor that hires concrete/masonry subcontractors like GBC; serves as both a potential customer and competitive benchmark for specialty trade scope.
• McCarthy Building Companies: National construction firm with strong healthcare, education, and commercial portfolios — overlapping with GBC's customer verticals (Pomona Valley Hospital, schools) while operating at much broader scale.
• Matt Construction: California commercial general contractor that has hired GBC as a subcontractor on projects like Mater Dei High School. Comparable regional general contractor with overlapping sector exposure.
• Webcor: Major California commercial general contractor whose podium deck, parking structure, and mid-rise mixed-use projects align with GBC's core capabilities. Acts as both potential GC customer and broad competitive incumbent.
• Sundt Construction: Employee-owned general contractor with significant concrete self-perform capability in commercial, healthcare, and education — comparable commercial-project mix, though with much wider geographic footprint.

Direct peers

• Ceco Concrete Construction: National commercial concrete subcontractor with structural and architectural concrete work, including parking structures and post-tension slabs — directly comparable service mix to GBC, though at substantially larger scale.
• Deacon Concrete Construction: Mid-sized commercial concrete subcontractor serving Western U.S. general contractors — comparable in scale, customer base (commercial GCs), and service scope (foundations, slabs, structural concrete).
• T.B. Penick & Sons: Long-standing California-based concrete and masonry subcontractor with overlapping capabilities in structural concrete, foundations, and architectural masonry, serving similar commercial GC customers.
• Largo Concrete: California-based commercial concrete subcontractor with similar scope (foundations, structural slabs, parking structures) and customer profile (general contractors for nonresidential work). Closest direct competitor in scale and regional footprint.

Others

• Scaffold Industry Association (industry body): Industry association of which GBC is a member; representative of supporting ecosystem (trade groups, scaffold/access providers) that interact with masonry/concrete subcontractors rather than compete directly.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/GBC-Concrete-Masonry-Construction-Inc
• LinkedInlinkedin.com/company/gbc-concrete-and-masonry-cnstr
• Instagraminstagram.com/gbcconstruction

Compliance7 records

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 GBC Concrete and Masonry Construction