Professional foundation repair and basement waterproofing in 105+ cities. Find your local foundation experts and get a free estimate today.
For over 25 years, Ontario Foundations has been the trusted name in foundation repair and basement waterproofing across Ontario. Our team of licensed professionals brings expertise, quality workmanship, and lasting solutions to homeowners and businesses throughout the province.
We understand that foundation problems can be stressful and costly. That's why we're committed to providing honest assessments, transparent pricing, and effective repairs that stand the test of time. Whether you're in Toronto or Thunder Bay, Mississauga or Muskoka, our local expertise ensures your foundation gets the care it deserves.
Full licensing and comprehensive insurance protection
Decades of expertise in Ontario's unique conditions
Many services include transferable lifetime warranties
Toronto, Ontario's capital and Canada's largest city, requires specialized foundation repair services due to its diverse soil conditions, aging infrastructure, and extreme weather variations. Our Toronto foundation repair experts understand the unique challenges facing homes in neighborhoods from the Beaches to Etobicoke, North York to Scarborough. We provide comprehensive foundation crack repair, basement waterproofing, wall stabilization, and commercial foundation services throughout all 25 wards.
Mississauga, Ontario's sixth-largest city, is part of the Greater Toronto Area and home to over 700,000 residents. Our Mississauga foundation repair team serves communities from Port Credit to Malton, Streetsville to Erin Mills, providing expert solutions for foundation cracks, basement leaks, and structural issues common in Peel Region's clay soil conditions. We specialize in both residential and commercial foundation repair throughout the city.
Brampton is one of Canada's fastest-growing cities, with a diverse population and expanding residential developments. Our Brampton foundation repair specialists understand the foundation challenges facing both new construction and established neighborhoods throughout the city's 10 wards, from Springdale to Heart Lake. We provide comprehensive foundation repair, basement waterproofing, and structural services.
Hamilton, known as the Steel City, is located on the western end of Lake Ontario and features diverse neighborhoods from the mountain to the waterfront. Our Hamilton foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this industrial and residential community. Hamilton's unique geography requires specialized foundation expertise for homes built on the Niagara Escarpment and along the lake.
Ottawa, Canada's capital city, features diverse neighborhoods from the historic ByWard Market to modern suburbs. Our Ottawa foundation repair team serves communities throughout the National Capital Region, providing expert solutions for foundation issues common in this government and technology hub. Ottawa's harsh winters and varied soil conditions create unique foundation challenges including frost adhesion damage and foundation settling.
London, known as the Forest City, is Southwestern Ontario's largest urban center. Our London foundation repair team serves communities throughout the city, from Old North to White Oaks, providing expert solutions for foundation issues common in this region. London's location along the Thames River and its clay-based soil create unique foundation repair needs including basement flooding and foundation settling.
Kitchener, part of the tri-city area with Waterloo and Cambridge, is a growing tech and manufacturing hub. Our Kitchener foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this rapidly expanding area. We address foundation settling in new developments and basement waterproofing in established neighborhoods throughout Waterloo Region.
Windsor, Canada's southernmost city, is located on the Detroit River across from Detroit, Michigan. Our Windsor foundation repair specialists serve communities throughout the city, providing expert solutions for foundation issues common in this border city. Windsor's proximity to the Detroit River and its industrial heritage create unique foundation repair needs including basement waterproofing and foundation stabilization.
Markham, known as the High-Tech Capital of Canada, combines modern development with heritage preservation. Our Markham foundation repair team serves communities from Unionville to Markham Village, providing expert foundation solutions for both historic homes and contemporary developments throughout York Region. We address foundation settling, basement waterproofing, and structural issues common in Markham's varied neighborhoods.
Vaughan is one of York Region's largest municipalities, featuring diverse communities from Maple to Woodbridge, Kleinburg to Concord. Our Vaughan foundation repair specialists provide comprehensive services addressing the unique foundation challenges in this rapidly growing area. We serve all Vaughan communities with expert foundation repair, waterproofing, and structural services tailored to local soil and drainage conditions.
Oakville, located on the shores of Lake Ontario, combines affluent residential neighborhoods with commercial districts. Our Oakville foundation repair experts serve communities from Old Oakville to Bronte, addressing foundation issues common in lakeside properties including basement flooding, foundation settling, and water infiltration. We provide premium foundation repair and basement waterproofing services throughout this upscale community.
Burlington, situated between Lake Ontario and the Niagara Escarpment, offers diverse foundation repair challenges. Our Burlington foundation repair team serves communities from the lakeshore to the escarpment, providing expert solutions for foundation issues ranging from basement flooding near the lake to foundation stabilization on escarpment slopes. Burlington's unique geography requires specialized foundation expertise.
Oshawa, Durham Region's largest city, features diverse neighborhoods from historic downtown to modern subdivisions. Our Oshawa foundation repair team provides comprehensive services addressing foundation issues common in this industrial and residential community. We serve all Oshawa neighborhoods with professional foundation repair, basement waterproofing, and structural services for both commercial and residential properties.
Barrie, located on the shores of Kempenfelt Bay, is Simcoe County's largest city and a popular destination for both residents and tourists. Our Barrie foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this lakeside community. Barrie's location on Lake Simcoe requires specialized foundation expertise for basement waterproofing and foundation stabilization.
St. Catharines, known as the Garden City, is the largest city in the Niagara Region. Our St. Catharines foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this lakeside community. St. Catharines' location near Lake Ontario and the Welland Canal creates unique foundation repair needs including basement waterproofing and foundation stabilization.
Kingston, known as the Limestone City, is home to Queen's University and features beautiful heritage architecture. Our Kingston foundation repair team serves communities throughout the city, providing expert solutions for foundation issues in both historic downtown areas and modern residential neighborhoods. Kingston's heritage properties and location along Lake Ontario create unique foundation repair needs.
Guelph, known as the Royal City, is home to the University of Guelph and features a mix of heritage architecture and modern development. Our Guelph foundation repair specialists serve communities throughout the city, providing expert solutions for foundation issues in both historic downtown areas and newer subdivisions. Guelph's mix of heritage properties and new developments requires versatile foundation expertise.
Cambridge, formed from the amalgamation of Galt, Preston, and Hespeler, features diverse neighborhoods along the Grand River. Our Cambridge foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this tri-city area. Cambridge's location along the Grand River and mix of heritage and modern homes require specialized foundation expertise.
Waterloo, home to the University of Waterloo and a thriving tech sector, combines academic excellence with rapid development. Our Waterloo foundation repair specialists serve communities throughout the city, providing expert solutions for foundation issues in both student housing areas and upscale residential neighborhoods. Waterloo's mix of properties requires versatile foundation expertise.
Sudbury, known as the Nickel Belt, is Northern Ontario's largest city and a major mining center. Our Sudbury foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this northern climate. Sudbury's harsh winters, rocky terrain, and mining heritage require specialized foundation expertise including frost adhesion repair and foundation stabilization.
Thunder Bay, located on the shores of Lake Superior, is Northwestern Ontario's largest city. Our Thunder Bay foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this northern climate. Thunder Bay's harsh winters and unique soil conditions require specialized foundation expertise including frost adhesion repair and basement waterproofing.
Peterborough, located in the heart of the Kawarthas, is known for its heritage architecture and natural beauty. Our Peterborough foundation repair team serves communities throughout the city, providing expert solutions for foundation issues in both historic downtown areas and modern residential neighborhoods. Peterborough's location along the Otonabee River requires specialized foundation expertise.
Niagara Falls, home to one of the world's most famous natural wonders, is a major tourist destination and residential community. Our Niagara Falls foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this unique location. Niagara Falls' proximity to the Niagara River creates unique foundation repair needs.
Brantford, located on the Grand River, is known as the Telephone City and features diverse neighborhoods from historic downtown to modern subdivisions. Our Brantford foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this Grand River community. We specialize in both residential and commercial foundation repair.
Sarnia, located on Lake Huron at the southern end of the St. Clair River, is known as the Chemical Valley due to its petrochemical industry. Our Sarnia foundation repair team serves communities throughout the city, providing expert solutions for foundation issues common in this lakeside industrial community. We specialize in both residential and commercial foundation repair.
Ajax, located on Lake Ontario in Durham Region, is a growing community with diverse housing. Our Ajax foundation repair specialists provide comprehensive services for basement waterproofing, foundation crack repair, and structural issues common in this lakeside community.
Pickering, on the eastern edge of the GTA, features diverse communities from historic downtown to newer subdivisions. Our Pickering foundation repair team provides expert services for foundation issues common in this growing Durham Region municipality.
Whitby, on Lake Ontario in Durham Region, combines historic charm with modern development. Our Whitby foundation repair specialists provide expert solutions for foundation issues common in this lakeside community.
Clarington, including Bowmanville and Newcastle, is a growing municipality in eastern Durham Region. Our team provides expert foundation repair and waterproofing services for homes throughout this expanding community.
Richmond Hill, on the Oak Ridges Moraine, presents unique foundation challenges due to its elevated topography. Our team provides specialized solutions for homes built on moraine deposits and glacial till.
Aurora, a picturesque York Region town, features heritage homes and modern developments. Our Aurora foundation repair team provides expert services for foundation issues in this growing community north of Toronto.
Newmarket, York Region's regional seat, combines historic Main Street charm with modern residential areas. Our team provides comprehensive foundation repair services for all property types in this vibrant community.
Stouffville (Whitchurch-Stouffville) is a growing community in eastern York Region. Our foundation repair experts serve both established neighborhoods and new developments with comprehensive waterproofing and structural services.
Georgina, on the shores of Lake Simcoe, includes Keswick, Sutton, and Jackson's Point. Our team provides expert foundation repair and waterproofing for lakeside properties and residential homes throughout this scenic community.
East Gwillimbury is one of York Region's fastest-growing municipalities. Our foundation repair team serves communities including Holland Landing and Sharon with expert waterproofing and structural services.
Milton, one of Canada's fastest-growing towns, sits at the foot of the Niagara Escarpment. Our team provides expert foundation repair and waterproofing for both new developments and established neighborhoods.
Georgetown, part of Halton Hills, features charming heritage downtown and growing residential areas. Our foundation repair experts provide comprehensive services for homes throughout this scenic community.
Caledon, Peel Region's largest municipality by area, includes Bolton, Caledon East, and rural communities. Our team provides expert foundation repair for both estate properties and residential homes.
Welland, located on the Welland Canal, features diverse neighborhoods and industrial heritage. Our team provides expert foundation repair and waterproofing services for homes throughout this Niagara Region city.
Fort Erie, at the southern tip of Niagara Region on Lake Erie, is a border community with unique waterfront properties. Our team provides expert foundation repair for homes facing lakeside foundation challenges.
Port Colborne, at the southern end of the Welland Canal on Lake Erie, features waterfront properties and heritage homes. Our team provides specialized foundation repair for this lakeside Niagara community.
Grimsby, nestled between Lake Ontario and the Niagara Escarpment, is a growing community with heritage charm. Our team provides expert foundation repair for homes on varied terrain throughout this scenic town.
Lincoln, including Beamsville and Vineland, is in the heart of Niagara's wine country. Our team provides foundation repair services for residential and agricultural properties throughout this growing community.
Pelham, including Fonthill and Fenwick, is a scenic Niagara Region town. Our foundation repair team provides comprehensive services for residential properties in this growing community.
Thorold, home to the Welland Canal locks, is a historic Niagara Region city. Our team provides expert foundation repair and waterproofing for homes throughout this canal-side community.
Wainfleet, a rural township on Lake Erie's north shore, features agricultural properties and lakeside homes. Our team provides foundation repair services for rural and waterfront properties.
West Lincoln, including Smithville, is a rural Niagara Region township. Our foundation repair team provides expert services for farms, rural properties, and village homes throughout this agricultural community.
Niagara-on-the-Lake, a historic town at the mouth of the Niagara River, features heritage properties and wine country estates. Our team specializes in heritage foundation repair and restoration.
Innisfil, on the shores of Lake Simcoe, is one of Simcoe County's fastest-growing communities. Our team provides expert foundation repair and waterproofing for lakeside and residential properties.
Bradford West Gwillimbury, located on the Holland Marsh, is a growing Simcoe County community. Our foundation repair experts serve both established and new residential neighborhoods.
New Tecumseth, including Alliston, Beeton, and Tottenham, is a growing Simcoe County municipality. Our team provides foundation repair for residential and commercial properties throughout this area.
Essa Township, including Angus and Baxter, is located south of Barrie. Our foundation repair team provides services for rural properties and growing residential communities.
Collingwood, on Georgian Bay at the base of Blue Mountain, is a popular four-season destination. Our team provides foundation repair for residential and recreational properties in this scenic area.
Wasaga Beach, home to the world's longest freshwater beach, features waterfront cottages and year-round residences. Our team provides foundation repair for beachside and residential properties.
Midland, on Georgian Bay in the heart of Huronia, features waterfront properties and historic neighborhoods. Our team provides expert foundation repair for homes throughout this scenic community.
Penetanguishene, at the tip of the Penetanguishene Peninsula on Georgian Bay, is a historic waterfront town. Our team provides foundation repair for waterfront and residential properties.
Orillia, the Sunshine City between Lakes Simcoe and Couchiching, is a gateway to cottage country. Our team provides foundation repair for residential and waterfront properties.
Orangeville, the county seat of Dufferin, is a growing community in the hills northwest of Toronto. Our team provides foundation repair and waterproofing for homes throughout this scenic area.
Stratford, home of the famous Stratford Festival, is a cultural hub with beautiful Victorian architecture. Our team specializes in heritage home foundation repair and modern residential services.
Woodstock, the Dairy Capital of Canada, is a growing city in Oxford County. Our foundation repair team provides comprehensive services for residential and commercial properties.
Chatham, the largest community in Chatham-Kent, is an agricultural and industrial center in Southwestern Ontario. Our team provides foundation repair for residential and commercial properties.
Leamington, the Tomato Capital of Canada and gateway to Point Pelee, is a vibrant Essex County community. Our team provides foundation repair for residential, agricultural, and greenhouse properties.
Owen Sound, on Georgian Bay at the end of the Niagara Escarpment, is Grey County's largest city. Our team provides foundation repair for waterfront and residential properties in this scenic harbour city.
Kawartha Lakes, including Lindsay and Fenelon Falls, is a scenic municipality dotted with lakes and cottages. Our team provides foundation repair for year-round homes and seasonal properties.
Huntsville, the largest town in Muskoka, is a gateway to Algonquin Provincial Park. Our team provides foundation repair for residential, recreational, and commercial properties in cottage country.
Bracebridge, the Heart of Muskoka, is known for its waterfalls and cottage country charm. Our team provides foundation repair for year-round homes and seasonal cottages on rocky terrain.
Gravenhurst, Gateway to Muskoka on Lake Muskoka, features heritage architecture and lakeside properties. Our team provides foundation repair for residential and cottage properties.
Parry Sound, on Georgian Bay, is a scenic gateway to 30,000 Islands. Our team provides foundation repair for waterfront properties and homes on the Canadian Shield's rocky terrain.
Belleville, on the Bay of Quinte, is a growing Eastern Ontario city with heritage downtown and modern neighborhoods. Our team provides foundation repair for residential and commercial properties.
Quinte West, including Trenton and Frankford, is located on the Bay of Quinte. Our team provides foundation repair for residential properties and homes near CFB Trenton.
Trenton, home to CFB Trenton, is an important military and residential community. Our team provides foundation repair services for military families and civilian homeowners alike.
Cobourg, a historic lakefront town on Lake Ontario, features beautiful Victorian architecture. Our team specializes in heritage home foundation repair and waterproofing services.
Port Hope, one of Ontario's best-preserved 19th-century towns, is known for its heritage architecture. Our team provides specialized foundation repair for historic and modern homes.
Brighton, gateway to Presqu'ile Provincial Park, is a scenic lakeside community. Our team provides foundation repair for residential and waterfront properties in this growing area.
Prince Edward County, a scenic island in Lake Ontario, is known for wineries and arts. Our team provides foundation repair for historic homes, wineries, and residential properties.
Napanee, a heritage town on the Napanee River, serves as a gateway to Eastern Ontario. Our team provides foundation repair for historic and modern residential properties.
Brockville, the City of the 1000 Islands on the St. Lawrence River, features beautiful heritage architecture. Our team specializes in foundation repair for historic riverfront properties.
Gananoque, gateway to the 1000 Islands, is a charming riverfront town. Our team provides foundation repair for residential and tourism-related properties in this scenic community.
Prescott, a historic riverfront town on the St. Lawrence, features heritage properties and an international bridge crossing. Our team provides foundation repair for all property types.
Smiths Falls, on the Rideau Canal, is a historic town with industrial heritage. Our team provides foundation repair for residential and commercial properties throughout this community.
Perth, a heritage town on the Tay River, features beautiful stone buildings and Victorian homes. Our team specializes in heritage foundation repair and restoration services.
Carleton Place, on the Mississippi River, is a growing community near Ottawa. Our team provides foundation repair for residential properties in this historic riverside town.
Arnprior, at the confluence of the Madawaska and Ottawa Rivers, is a gateway to the Ottawa Valley. Our team provides foundation repair for residential and commercial properties.
Renfrew, on the Bonnechere River, is the county seat of Renfrew County. Our team provides foundation repair for residential and commercial properties throughout this Ottawa Valley community.
Pembroke, on the Ottawa River, is the largest city in Renfrew County. Our team provides foundation repair for residential and commercial properties in this Ottawa Valley hub.
Petawawa, home to CFB Petawawa, is a growing community in the Ottawa Valley. Our team provides foundation repair services for military families and civilian homeowners.
Deep River, on the Ottawa River, is home to the Chalk River nuclear research facilities. Our team provides foundation repair for residential properties in this scientific community.
Cornwall, on the St. Lawrence River at the Quebec border, is a bilingual city with industrial heritage. Our team provides foundation repair for residential and commercial properties.
Hawkesbury, on the Ottawa River at the Quebec border, is a predominantly French-speaking community. Our bilingual team provides foundation repair for residential and commercial properties.
Rockland, east of Ottawa on the Ottawa River, is a growing bilingual community. Our team provides foundation repair services for residential properties in this scenic area.
Clarence-Rockland, a municipality east of Ottawa, includes both urban and rural communities. Our team provides foundation repair for all property types in this growing area.
Casselman, a French-speaking village east of Ottawa, is a growing community. Our bilingual team provides foundation repair for residential properties in this area.
Russell Township, southeast of Ottawa, is a growing rural community. Our team provides foundation repair for residential and agricultural properties.
North Bay, Gateway to the North on Lake Nipissing, is a major Northern Ontario city. Our team provides foundation repair specialized for northern climate conditions including frost adhesion.
Sault Ste. Marie, the Soo, is a border city on the St. Mary's River. Our team provides foundation repair for residential and commercial properties in this steel city.
Timmins, the City with a Heart of Gold, is a major mining center. Our team provides foundation repair specialized for mining community conditions and northern climates.
Kenora, on Lake of the Woods, is a popular cottage destination near the Manitoba border. Our team provides foundation repair for residential, commercial, and recreational properties.
Dryden, in Northwestern Ontario, is a forestry and mining community. Our team provides foundation repair specialized for northern climate conditions and remote locations.
Kapuskasing, a planned community in Northern Ontario, is a forestry center. Our team provides foundation repair for homes designed to withstand extreme northern winters.
Hearst, the Moose Capital of Canada, is a predominantly French-speaking community. Our bilingual team provides foundation repair for northern climate conditions.
Cochrane, the Polar Bear Capital, is a northern railway town. Our team provides foundation repair specialized for extreme northern conditions.
Iroquois Falls is a small northern town with paper mill heritage. Our team provides foundation repair for residential properties in this northern community.
Elliot Lake, a former uranium mining city, is now a retirement community. Our team provides foundation repair for residential properties in this Northern Ontario city.
Blind River, on the North Channel of Lake Huron, is a small northern town. Our team provides foundation repair for residential and waterfront properties.
Espanola, on the Spanish River, is a pulp and paper town in Northern Ontario. Our team provides foundation repair for residential and commercial properties.