About Preston Excavation LLC

"Expect the best and get it!"

Meet the Owner: Andy Barrera

Since 1994, Andy Barrera has built his career on precision, integrity, and hard work. As the owner of Preston Excavation LLC, Andy brings over 30 years of experience in excavation, foundation work, and site development to every project. From the early days of working on residential home builds and concrete foundation walls to leading large-scale excavation jobs, Andy has done it all—literally from the ground up.

He isn’t just the business owner—he’s also the boots-on-the-ground operator, bringing a personal commitment to every job site. Whether it’s a new basement excavation, a detailed foundation repair, or a full site prep, Andy's deep understanding of soil mechanics, trenching techniques, and structural requirements makes him a trusted name throughout Montgomery, Bucks, Lehigh, and Berks Counties in Pennsylvania.

Decades of Field Experience

Andy’s professional background spans every phase of construction, with a strong focus on:

• Excavation for Homes & Additions

• Concrete Foundation Walls

• Site Preparation and Grading

• Trenching & Utilities

• Waterproofing and Drainage Solutions

He's also skilled in complex projects like shoring and underpinning for tight access areas, where experience and attention to detail truly matter. His certifications include OSHA 3015 (Safety, Excavating, Trenching, Soil Mechanics) and ICPI Certification for retaining wall and paver installation. With a degree from Temple University and an eye for blueprints and planning, Andy ensures every job is done right the first time.

What Preston Excavation LLC Offers

Preston Excavation LLC is more than just a dirt-moving operation. The company provides a full range of excavation and site services, including:

  • Residential & Commercial Excavation

  • Swimming Pool and Basement Excavation

  • Demolition of Mobile Homes, Sheds, and Single-Family Houses

  • Small Pond Construction

  • Dozer Work, Grading, and Lot Clearing

  • Forestry Mulching & French Drains

  • Drain Field Replacement & Sewer Repairs

  • Retaining Walls & Concrete Flatwork (Driveways, Sidewalks, Foundations)

  • Foundation Repairs & Waterproofing

  • Full Site Preparation & Utilities Trenching

Every service is customized to meet the unique needs of the site, the client, and the long-term integrity of the project.

Why Homeowners and Contractors Trust Andy

What sets Andy apart isn’t just his years in the business—it’s how he takes every job. Clients aren’t just hiring a company. They’re working with someone who values their time, respects their property, and genuinely enjoys problem-solving.

He works side-by-side with homeowners, general contractors, and developers to provide clear communication, safe practices, and high-quality results that last. No project is too small to matter or too complex to tackle.

Hours: 8:00am-4:00pm Mon-Sat

Extended hours by appointment only.

Address: 437 Dotts St Pennsburg, PA 18073

Hours:

Mon - Fri 9:00 am - 5:00 pm

Extended hours by appointment only.