Best Foundation Repairs in Mountainside Borough, NJ (2026)

19 verified businesses · Sorted by rating & reviews

1

Groundworks

Google★★★★½4.9623 reviews
2624 Hamilton Blvd, South Plainfield, NJ 07080
+1201-252-4133
Waterproofing service
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2

Delta Demolition

Google★★★★★5238 reviews
99 Hudson St Suite 520, New York, NY 10013
+1866-504-7822
Demolition contractor
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3

StrongBuild Masonry & Construction, Chimney repair, Foundation Waterproofing

Google★★★★★5100 reviews
438 West Side Ave, Jersey City, NJ 07304
+1201-351-3656
Waterproofing service
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4

eTech Masonry and Restoration,Chimney, Basement & Foundation repair

Google★★★★½4.9104 reviews
2500 John F. Kennedy Blvd Apartment 101, Jersey City, NJ 07304
+1201-772-1782
Masonry contractor
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5

Unified Masonry & Waterproofing

Google★★★★★578 reviews
77 Sands St, Brooklyn, NY 11201
+1347-301-6091
Masonry contractor
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6

Vulcan Basement Waterproofing

Google★★★★½4.641 reviews
8 Oak St, Clifton, NJ 07014
+1800-542-7234
Waterproofing service
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7

Core Basement Waterproofing Bergen County

Google★★★★½4.841 reviews
400 Commerce Blvd, Carlstadt, NJ 07072
+1551-345-5200
Waterproofing service
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8

MAJOR CONSTRUCTION

Google★★★★★526 reviews
360 Ocean Pkwy, Brooklyn, NY 11218
Construction company
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9

The Garden State Foundation Repair Co

Google★★★★★58 reviews
1057 Raymond Blvd, Newark, NJ 07102
+1201-613-2247
Concrete contractor
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10

Basement Waterproofing Brooklyn Pros

Google★★★★★520 reviews
550 Throop Ave Ste D4, Brooklyn, NY 11221
+1718-568-8288
Waterproofing service
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11

Leak Proof Masonry & Waterproofing Corp.

Google★★★★★517 reviews
260 Madison Ave, New York, NY 10016
+1646-456-3318
Masonry contractor
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12

CRW Concrete & Foundation Repair

Google★★★★★57 reviews
27 Branford Pl, Newark, NJ 07102
+1862-298-5955
Concrete contractor
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13

Cover All Masonry And Waterproofing

Google★★★★★511 reviews
321 1/2 Pavonia Ave, Jersey City, NJ 07302
+1201-372-4720
Masonry contractor
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14

Westlake Concrete & Foundation Repair

Google★★★★★514 reviews
413 Sette Dr, Paramus, NJ 07652
+1551-276-0276
Concrete contractor
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15

Foundation Repair NYC

Google★★★★★59 reviews
696 Grand St Ste 2, Brooklyn, NY 11211
+1646-859-4429
General contractor
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16

Quality 1st Basement Systems

Google★★★★☆4.45 reviews
+1212-381-1080
Waterproofing service
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17

Liberty View Concrete Repair

Google★★★★½4.67 reviews
54 Sip Ave, Jersey City, NJ 07306
+1848-347-2757
Concrete contractor
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18

Structural Repair Group, Masonry, Foundation Waterproofing

Google★★★★½4.611 reviews
196 Utica Ave, Brooklyn, NY 11213
+1917-814-3334
Masonry contractor
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19

NYC Foundation Repair

Google★★★★☆43 reviews
832 Coney Island Ave, Brooklyn, NY 11218
+1646-859-4429
Waterproofing service
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