Basement Waterproofing & Foundation Repair Service Areas
Down Under Waterproofing proudly serves homeowners across Central and Southern New Jersey and Eastern Pennsylvania. We provide basement waterproofing, foundation repair, crawl space encapsulation, and masonry repair throughout 9 counties and hundreds of communities.
Call (908) 812-5040 for a Free EstimateOur Service Coverage
Our team has helped hundreds of homeowners across the region resolve issues with basement water intrusion, foundation cracks, crawl space moisture, and structural damage. We are locally based in Robbinsville, NJ and serve communities across 7 New Jersey counties and 2 Pennsylvania counties. If you do not see your town listed, contact us — we likely service your area.
Select a county below to view its dedicated service page, or scroll down for a complete list of every town we serve.
Browse by County
New Jersey
Monmouth County, NJ Red Bank, Holmdel, Marlboro, Freehold & more Middlesex County, NJ Edison, Woodbridge, Old Bridge, Sayreville & more Ocean County, NJ Toms River, Brick, Lakewood, Jackson & more Mercer County, NJ Robbinsville, Hamilton, Princeton, Trenton & more Somerset County, NJ Bridgewater, Somerville, Bound Brook & more Hunterdon County, NJ Flemington, Glen Gardner, Whitehouse Station & more Morris County, NJ Chatham, East Hanover, Florham Park, Madison & more
Pennsylvania
Monmouth County, New Jersey
Allenhurst Borough
Asbury Park City
Atlantic Highlands Borough
Avon-by-the-Sea Borough
Belmar Borough
Bradley Beach Borough
Brielle Borough
Colts Neck Township
Deal Borough
Eatontown Borough
Englishtown Borough
Fair Haven Borough
Farmingdale Borough
Hazlet Township
Highlands Borough
Keansburg Borough
Keyport Borough
Little Silver Borough
Long Branch City
Manasquan Borough
Matawan Borough
Monmouth Beach Borough
Neptune Township
Ocean Township
Oceanport Borough
Sea Bright Borough
Sea Girt Borough
Shrewsbury Borough
Spring Lake Borough
Tinton Falls Borough
Union Beach Borough
Upper Freehold Township
Wall Township
West Long Branch Borough
Middlesex County, New Jersey
Carteret Borough
Cranbury Township
Dunellen Borough
Helmetta Borough
Highland Park Borough
Jamesburg Borough
Middlesex Borough
Monroe Township
New Brunswick City
Perth Amboy City
Piscataway Township
South Amboy City
Spotswood Borough
Ocean County, New Jersey
Barnegat Township
Bay Head
Beach Haven
Beachwood
Berkeley Township
Eagleswood Township
Island Heights
Lacey Township
Lakehurst
Lavallette
Little Egg Harbor Township
Long Beach Township
Mantoloking
Ocean Gate
Pine Beach
Plumsted Township
Point Pleasant
Point Pleasant Beach
Seaside Heights
Seaside Park
South Toms River
Surf City
Tuckerton
Mercer County, New Jersey
Ewing Township
Hightstown Borough
Hopewell Borough
Hopewell Township
Princeton
Somerset County, New Jersey
Bedminster Township
Bernards Township
Bernardsville Borough
Branchburg Township
Far Hills Borough
Green Brook Township
Manville Borough
Montgomery Township
North Plainfield Borough
South Bound Brook Borough
Hunterdon County, New Jersey
Alexandria Township
Bethlehem Township
Bloomsbury Borough
Califon Borough
Clinton Town
Clinton Township
Delaware Township
East Amwell Township
Franklin Township
Frenchtown Borough
Hampton Borough
High Bridge Borough
Holland Township
Kingwood Township
Lambertville City
Lebanon Borough
Lebanon Township
Milford Borough
Raritan Township
Readington Township
Stockton Borough
Tewksbury Township
Union Township
West Amwell Township
Morris County, New Jersey
Boonton
Butler
Chester Borough
Chester Township
Denville Township
Dover
Hanover Township
Harding Township
Jefferson Township
Kinnelon
Lincoln Park
Mendham Borough
Mendham Township
Mine Hill Township
Montville Township
Morris Plains
Morris Township
Mount Arlington
Mount Olive Township
Netcong
Parsippany-Troy Hills Township
Pequannock Township
Randolph Township
Riverdale
Rockaway Borough
Rockaway Township
Roxbury Township
Washington Township
Bucks County, Pennsylvania
Bensalem Township
Bristol Borough
Bristol Township
Buckingham Township
Chalfont Borough
Doylestown Borough
Doylestown Township
Durham Township
East Rockhill Township
Falls Township
Feasterville-Trevose
Hulmeville Borough
Lower Makefield Township
Lower Southampton Township
Middletown Township
Milford Township
Morrisville Borough
New Britain Borough
New Hope Borough
Northampton Township
Penndel Borough
Perkasie Borough
Plumstead Township
Richland Township
Solebury Township
Southampton Township
Springfield Township
Tullytown Borough
Upper Makefield Township
Upper Southampton Township
Warrington Township
Warwick Township
Washington Crossing
Wrightstown Township
Montgomery County, Pennsylvania
Ambler Borough
Bridgeport Borough
Conshohocken Borough
Douglass Township
East Norriton Township
Franconia Township
Hatboro Borough
Hatfield Township
Horsham Township
Lansdale Borough
Lower Merion Township
Lower Moreland Township
Lower Providence Township
Lower Gwynedd Township
Marlborough Township
Montgomery Township
Narberth Borough
Norristown Borough
North Wales Borough
Plymouth Township
Pottstown Borough
Rockledge Borough
Royersford Borough
Skippack Township
Springfield Township
Upper Dublin Township
Upper Merion Township
Upper Moreland Township
Upper Providence Township
Upper Gwynedd Township
Whitemarsh Township
Whitpain Township
Worcester Township
Don't See Your Town? We Probably Serve It.
Our service area extends throughout Central and Southern New Jersey and Eastern Pennsylvania. Contact us today for a free inspection and written estimate — no obligation.
Call (908) 812-5040 NowLicensed & Insured | NJ #13VH03267600 | PA #PA175894 | Mon–Sat 7:00 AM–7:00 PM