What Bay Area Underpinning does

Bay Area Underpinning is a U.S.-based foundation repair services provider headquartered in Fairfield, California, serving residential and commercial property owners. The company was acquired by Groundworks in July 2023 and now operates as a subsidiary within Groundworks' national network of 70+ locations across the USA and Canada. Its core offerings span foundation stabilization (helical piers, push piers, wall anchors, wall repair systems), basement waterproofing (interior drainage, sump pumps, dehumidifiers), crawl space repair and encapsulation, and concrete lifting services. The company employs trained and certified technicians and Certified Foundation Inspectors who deliver on-site assessments as the primary customer acquisition channel. Bay Area Underpinning sells customized engineering solutions backed by long-term, transferable warranties and offers financing promotions (10-year fixed plans, 24-month no-interest options) to reduce purchase friction. Revenue is generated primarily through one-time professional services projects with a smaller recurring maintenance subscription layer (sump pump cleaning, dehumidifier servicing, drain maintenance). The go-to-market is sales-led and field-driven, leveraging a mix of content marketing, local SEO, paid digital, and review platforms to drive free inspection bookings. As part of the Groundworks platform, Bay Area Underpinning benefits from shared marketing infrastructure, proprietary repair systems, and a parent brand recognized with multiple Inc. 5000, Fortune Top 500 Growth Companies, and Top Workplaces USA designations, while still operating as a locally branded service provider in the Northern California market.

Name

Bay Area Underpinning

Legal name

Bay Area Underpinning

Website

https://bayareaunderpinning.com

Company type

Private

Founded year

2005

Operating status

Acquired

Headcount range

11–50 employees

Short description

Bay Area Underpinning is a Northern California foundation repair and waterproofing services provider serving residential and commercial property owners, operating as a subsidiary of Groundworks since its July 2023 acquisition.

Ownership category

akta.pro rank

Product category

Foundation Repair Services

NAICS

Poured Concrete Foundation and Structure Contractors (23811), Poured Concrete Foundation and Structure Contractors (238110)

SIC

Construction - Special Trade Contractors (1700)

akta.pro primary industry

Foundation Remediation & Underpinning (Jack Piles, Resin Injection, Re-leveling) (IMAFAOAL)

akta.pro secondary industry

Concrete Waterproofing & Moisture Mitigation (HSAGALAF)

Keywords

• Foundation repair services
• Basement waterproofing
• Crawl space encapsulation
• Concrete lifting services
• Structural stabilization

Headquarters

HQ city

Fairfield

HQ country

United States

HQ region

North America

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Foundation Repair Services: One-time and recurring service fees for foundation repair including installation of piers, wall repair systems, and stabilization solutions. Services are customized to each property with long-term warranties backing all work performed.
2. Basement Waterproofing Services: Waterproofing solutions including interior drainage systems, sump pump installation, and dehumidifier systems for moisture control in basements and crawl spaces.
3. Crawl Space Services: Crawl space repair, encapsulation, and support services including structural repairs and environmental control solutions.
4. Concrete Lifting Services: Concrete repair and lifting services for driveways, sidewalks, patios, and steps using proprietary lifting solutions.
5. Maintenance Services: Annual maintenance services for installed products including sump pump cleaning, dehumidifier service, and drain maintenance to ensure continued protection.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

Bay Area Underpinning provides residential and commercial foundation repair, basement waterproofing, crawl space repair and encapsulation, and concrete lifting services. Trained and certified technicians install proprietary solutions such as helical piers, push piers, wall repair systems, wall anchors, interior drainage systems, sump pumps, and dehumidifiers. Services begin with a free inspection by a Certified Foundation Inspector and are backed by long-term warranties.

Product overview

Bay Area Underpinning was a US-based foundation repair provider that was acquired by Groundworks in July 2023. Following the acquisition, Bay Area Underpinning operates under the Groundworks umbrella, which offers foundation repair, basement waterproofing, crawl space repair, and concrete lifting services. The Groundworks parent company provides various patented solutions including helical piers, push piers, wall repair systems, wall anchors, interior drainage systems, sump pumps, dehumidifiers, and crawl space encapsulation services through trained and certified technicians.

Differentiator

Problem solved

Functional benefit

Products and services

• Foundation Repair
• Basement Waterproofing
• Crawl Space Repair and Encapsulation
• Concrete Lifting Concrete lifting and leveling service for sunken or settled driveways, sidewalks, patios, and steps using polyurethane or concrete injection methods to restore safety and appearance. Targeted at homeowners and commercial property owners with uneven concrete surfaces.
• Annual Maintenance Program

Quantifiable outcome

• Over 1 million homeowners served
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

One partnership is on record.

• GroundworkscoreStrategic or Co-development Partner · 1 July 2023In July 2023, Groundworks announced the acquisition of Bay Area Underpinning as part of a strategic expansion to broaden customer reach and enhance resources, support, and infrastructure investments in the foundation repair service industry. Bay Area Underpinning operates as a subsidiary under the Groundworks umbrella, gaining access to national-level resources while maintaining local service delivery.

Scale indicators5 records

Expansion highlights5 records

Direct peers

• Groundworks: Bay Area Underpinning's parent company and the nation's leading foundation repair and water management provider. Operates 70+ locations across the U.S. and Canada with identical proprietary solutions (helical piers, push piers, basement waterproofing, crawl space encapsulation, concrete lifting) and the same free-inspection GTM model.
• JES Foundation Repair: Multi-state foundation repair and basement waterproofing specialist serving the Mid-Atlantic and Southeast. Offers directly comparable services — helical piers, push piers, wall anchors, basement waterproofing, crawl space encapsulation — under the same sales-led, free-inspection model.
• Basement Systems Inc. National basement waterproofing, foundation repair, and crawl space encapsulation franchise network. Directly comparable offering set (interior drainage, sump pumps, dehumidifiers, foundation piers) and similar dealer-based go-to-market approach.
• Olshan Foundation Solutions: Long-established foundation repair company specializing in slab and pier-and-beam foundation repair across Texas and surrounding states. Directly comparable services including helical piers, pressed pilings, and concrete leveling.
• Foundation Supportworks (Supportworks): Manufacturer and distributor of foundation repair products (helical piers, push piers, wall anchors) that also operates a network of installing contractors. Direct competitor on the proprietary-technology axis and a peer in service delivery through its dealer network.
• Ram Jack Systems: National foundation repair franchise specializing in steel pier systems (helical and push piers) for residential and commercial stabilization. Direct overlap on core pier-based foundation stabilization solutions and warranty-backed service model.
• '58 Foundations & Waterproofing: Regional foundation repair and basement waterproofing specialist serving the Mid-Atlantic and Southeast U.S. Comparable service mix including foundation piers, basement waterproofing, crawl space encapsulation, and concrete leveling.
• Alpha Foundations (Foundation Professionals of Florida): Florida-focused foundation repair and waterproofing provider offering helical piers, push piers, and encapsulation services. Direct peer on product offering and free-inspection sales motion; relevant comparable for unit economics and warranty-backed service model.

Emerging players

• DuraTech Concrete Lifting & Coatings: Concrete lifting and leveling specialist using polyurethane foam injection. Overlaps directly with Bay Area Underpinning's concrete lifting service line (driveways, sidewalks, steps), though narrower in scope than a full foundation repair provider.
• DryZone Systems: Regional basement waterproofing and crawl space encapsulation provider. Overlaps with Bay Area Underpinning's basement waterproofing and encapsulation offerings, though typically narrower in scope than a full foundation repair company.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks1 record

Key highlights7 records

Customer concentration

• Xx.com/UnderpinningBay
• Facebookfacebook.com/BayAreaUnderpinning
• LinkedInlinkedin.com/company/bay-area-underpinning
• Instagraminstagram.com/groundworks

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 Bay Area Underpinning