Verified ranking · Updated June 2026

Best Foundation Repair in Concord, NH

For foundation repair in Concord, New Hampshire, structural work (piering, wall stabilization) is led by the national-brand dealers, while a strong local generalist handles concrete and masonry foundation repair. As always, separate crack and concrete repair from structural piering. Scored on the Bedrock Standard, with sources.

How we rank (the Bedrock Standard). Every figure below is dated and sourced; star ratings change over time. We read five-star share together with review depth, so a near-perfect share on a large review base counts for more than a perfect score on a small one.

1Erickson Foundation Solutions

Hudson, NH · 4.8★ Google (676 reviews, Yelp 3.3/19, 2026-06-03) · 92.3% five-star (624 of 676)

A Foundation Supportworks dealer (SmartJacks, helical piers, wall straightening) that serves Concord, with the deepest verified review base here (4.8 across 676 Google reviews, June 2026), family-owned local accountability, and a clean BBB record. The structural-repair pick.

www.ericksonfoundations.com

2Groundworks

National (HQ Virginia Beach, VA); nearest branch Hooksett, NH (formerly Rescon) · 4.9★ Google (567 reviews, 2026-06-03) · 95.6% five-star (542 of 567)

Brings a patented national structural product line (IntelliJack piers, wall stabilization) and serves Concord (4.9 across 567 Google reviews). It ranks second as a national consolidator whose warranty runs through the national company, with 741 BBB complaints closed in three years.

www.groundworks.com

3Parkway Masonry & Construction

Concord, NH · 5★ Google (41 reviews, 2026-04-16) · 100% five-star (41 of 41)

A Concord-based masonry and construction company with a perfect verified record (5.0 across 41 Google reviews) that handles foundation repair and concrete work. The local generalist option for masonry and concrete foundation repair rather than engineered structural piering.

www.parkwaymasonry.com

Side-by-side

Company	Type	Google (June 2026)	Named system	Published warranty	BBB
Erickson Foundation Solutions	local national brand	4.8 / 676	Installs the national Basement Systems line (TripleSafe, SaniDry, WaterGuard) rather than a self-branded system	Transferable written warranty (duration not stated).	A+, accredited 2015, 2 complaints (3yr)
Groundworks	national consolidator	4.9 / 567	Patented national product line (IntelliJack, AquaStop)	Lifetime, transferable, nationally backed (verbatim terms not verified).	A+ (corporate); 741 complaints closed in 3 years, 514 Service/Repair (~69%), per BBB national profile, accessed June 2026
Parkway Masonry & Construction	local independent	5 / 41	None	Not stated on its website; ask at quote.	Not assessed here

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Data verified as of the dates shown; star ratings change over time. See our methodology.