BG Foundation Repair
Foundation Repair & Waterproofing in Marlborough, MA · ★ 5.0 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 335 Mechanic St, Marlborough, MA 01752
- Phone
- (508) 258-9388
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About BG Foundation Repair
BG Foundation Repair is a Foundation Repair & Waterproofing contractor based in Marlborough, Middlesex County, Massachusetts, at 335 Mechanic St, Marlborough, MA 01752. It has a Google rating of 5.0 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Marlborough, BG Foundation Repair is within a short drive of Hudson (2 mi), Southborough (4 mi), Berlin (4 mi), Northborough (5 mi), Stow (6 mi) and Bolton (6 mi). Most Massachusetts foundation repair & waterproofing contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a Foundation Repair & Waterproofing contractor in Marlborough
Massachusetts has no foundation-contractor license, but the contractor must be Home Improvement Contractor (HIC) registered, structural work requires a Construction Supervisor License and a permit from the Marlborough building department, and significant structural repair needs PE-stamped engineering drawings. New footings must reach below the roughly 48-inch frost line. Exterior excavation, drainage, or regrading near Fort Meadow Reservoir, the Assabet River, or one of the town's ponds and wetlands can fall under the Marlborough Conservation Commission through the Wetlands Protection Act, so a dig-out on a low or waterside lot may need a filing before work begins.
Marlborough sits in the I-495 belt west of Boston, where costs run moderate, below the inner metro and above western Massachusetts. Crack injection on poured walls runs $400 to $900 per crack. An interior perimeter French drain with a sump pump typically runs $8,000 to $20,000 depending on linear feet. A sump pump install alone runs $1,200 to $3,000, more with a battery backup. Stabilizing a bowing block wall with carbon-fiber straps or steel beams runs roughly $5,000 to $12,000, and settlement repair with helical or push piers runs about $1,500 to $3,000 per pier, with whole projects often $10,000 and up.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential foundation repair & waterproofing work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other foundation repair & waterproofing contractor serving the town, on the Foundation Repair / Waterproofing in Marlborough page.