Top 9 Foundation Contractor in Boston, MA

Updated March 2026 · Based on licensing, reviews & response time

Quick Answer

Top: Union Masonry & Waterproofing (5), Boston Concrete Works (5), Boston Stamped Concrete Experts (5)

1

StoneBase Masonry - Basement & Foundation Repair Specialist

275 Grove St Suite 4017, Newton, MA 02466, USA

★★★★★ 5 (112 reviews)

Licensed & InsuredTop Rated

Services: Foundation Contractor

2

Boston Foundation Repair

40 Willard St, Cambridge, MA 02138, USA

★★★★★ 5 (7 reviews)

Licensed & InsuredTop Rated

Services: Foundation Contractor

3

Metro Masonry & foundation, waterproofing

45 Prospect St, Cambridge, MA 02139, USA

★★★★★ 5 (236 reviews)

Licensed & InsuredTop Rated

Services: Foundation Contractor

4

StoneBase Masonry - Basement & Foundation repair specialist Boston

4228 Washington St, Boston, MA 02131, USA

★★★★★ 5 (14 reviews)

Licensed & Insured

Services: Foundation Contractor

5

Union Masonry & Waterproofing

53 State St Ste 500, Boston, MA 02109, USA

★★★★★ 5 (23 reviews)

Licensed & Insured

Services: Foundation Contractor

6

Knights Masonry & Foundation Waterproofing

24 School St 2nd floor, Boston, MA 02108, USA

★★★★★ 5 (38 reviews)

Services: Foundation Contractor

7

Queen Foundation Repair

201 Washington St, Boston, MA 02108, USA

★★★★★ 5 (40 reviews)

Services: Foundation Contractor

8

Keystone Foundation & Waterproofing

245 First St, Cambridge, MA 02142, USA

★★★★★ 5 (37 reviews)

Services: Foundation Contractor

9

Dynamite waterproofing and masonry

90 Canal St, Boston, MA 02114, USA

★★★★½ 4.7 (78 reviews)

Services: Foundation Contractor

How We Ranked These Boston Pros

Our rankings are based on a weighted evaluation of five key factors:

Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
Response Time — Companies offering same-day or 24/7 emergency service score higher.
Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
Experience & Longevity — Years serving the Boston market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.

Frequently Asked Questions

Best foundation in Boston?

Top: Union Masonry & Waterproofing (5), Boston Concrete Works (5), Boston Stamped Concrete Experts (5).