Home Foundation Repair — From Small Cracks to Settling Walls
Every foundation moves a little. The question is whether what you see is normal shrinkage, a water problem or a structural one. Foundation repair starts with a proper assessment: we look at the type of cracks, their width and direction, signs of movement inside and out, drainage and the soil around the house.
Most Toronto foundation problems are linked to water — clay soil that swells and shrinks, frost, poor drainage and old weeping tile. That is why we combine foundation repair and waterproofing: fixing the damage and the water that caused it.
This page is the overview. For details see foundation crack repair and foundation structural repair.
Signs Your Foundation Needs Repair
Cracks in walls or floor
Especially wider than a credit card, horizontal or stair-step.
Doors and windows sticking
Frames pushed out of square by movement.
Bowing or leaning walls
Soil pressure pushing the wall inward.
Sloping or cracked floors
Settlement under the slab or footings.
Crumbling concrete or parging
Water and frost breaking down the surface.
Water through cracks
A leak and a repair in one.
What Damages Foundations in Toronto
| Cause | What happens |
|---|---|
| Clay soil | Swells when wet and shrinks when dry, moving the foundation |
| Water and poor drainage | Saturated soil pushes on walls and softens the ground under footings |
| Frost | Water in the soil and concrete freezes and expands |
| Old materials | Stone, block and early concrete weaken with age |
| Tree roots | Draw moisture from the soil and can disturb footings |
| Added loads | Additions and renovations change how weight sits on the foundation |
Foundation Repair Methods
The repair should match the damage — not every crack needs steel and not every bowed wall can be fixed with a patch.
| Problem | Typical repair |
|---|---|
| Leaking or hairline cracks | Crack injection (polyurethane or epoxy) |
| Crumbling surface | Parging and patching |
| Bowing or leaning walls | Wall reinforcement — carbon fibre or steel |
| Settling footings | Piers or underpinning |
| Water causing damage | Drainage and waterproofing |
| Damaged basement floor | Slab repair or replacement |
How We Approach Foundation Repair
Assessment
Cracks, movement, drainage and soil — inside and out.
Diagnosis
Cosmetic, water-related or structural.
Engineer if needed
Structural repairs designed or reviewed by an engineer.
Written plan
Repair, waterproofing, price and schedule.
Repair
Our own crew does the work.
Waterproofing
Drainage and sealing so the damage does not return.
Foundation Repair Cost in Toronto
| Repair | Starting price |
|---|---|
| Foundation crack injection | $500 – $1,500 per crack |
| Wall stabilization / reinforcement | From $800 per section |
| Structural piers | From $1,500 per pier |
| Drainage & water management | From $2,000 |
| Underpinning | $300 – $600 per linear foot |
| Assessment & written quote | Free |
Approximate 2026 Toronto prices, not a quote. Larger projects: piering and underpinning $10,000–$35,000+, wall stabilization $5,000–$15,000.
Foundation Repair Work
Real Leaquida projects — no stock photos.
Foundation Services
Foundation Warning Signs — Inside and Outside
Most foundation problems show up in more than one place. Check both before you call.
Inside the house
- Cracks in basement walls or floor, especially wider than 3 mm
- Doors and windows that stick or no longer latch
- Gaps between walls and ceiling or floor
- Sloping or uneven floors
- Damp walls, efflorescence or a musty smell
Outside the house
- Stair-step cracks in brick or block
- Parging cracking or falling off
- Gaps around window and door frames
- A porch or steps pulling away from the house
- Soil sloping toward the foundation
Which Foundation Repair Do You Need?
Our foundation services cover each problem with its own fix — this is how they match up.
| What you see | Likely cause | Repair |
|---|---|---|
| Vertical crack that leaks | Shrinkage, hydrostatic pressure | Crack injection |
| Horizontal crack or bowing wall | Soil and water pressure | Structural reinforcement |
| Settling corner, sloping floor | Weak or wet soil under footings | Underpinning or piers |
| Crumbling coating above grade | Weathered parging | Parging |
| Water through walls | Failed exterior protection | Waterproofing |
| Cracked, heaving basement floor | Settlement, poor sub-base | Slab replacement |
Why We Do Basement Waterproofing and Foundation Repair Together
Water causes most damage
Wet clay pushes on walls, freezes in cracks and washes out soil under footings.
One excavation, two jobs
When the wall is dug out for repair, adding a membrane and new weeping tile costs far less than a second dig later.
Repairs last longer
A crack sealed on a dry wall stays sealed; one on a wet wall may open again.
One warranty
Foundation repair and waterproofing by one crew means one company is responsible for the result.
How to Choose a Foundation Repair Contractor
Questions worth asking any foundation repair contractor in Toronto, including us.
Do they diagnose before quoting?
A price over the phone without seeing the foundation is a guess.
Do they involve an engineer when needed?
Structural work should be designed by a licensed engineer and done under permit.
Is the scope in writing?
The quote should list the method, length of wall, restoration and warranty.
Are they licensed and insured?
Ask for proof of liability insurance and WSIB coverage.
Do they explain options?
Good foundation repair experts tell you when a smaller repair is enough.
Is the warranty written?
Get warranty terms on paper, including what voids them.
How to Prevent Foundation Damage
Keep water away
Extend downspouts and keep gutters clear so roof water lands well away from the wall.
Grade away from the house
Soil should slope away from the foundation, not toward it.
Watch trees
Large trees near the house dry out clay in summer and their roots reach drains.
Fix small cracks early
A $500 crack repair now avoids water damage and bigger structural work later.
Foundation Repair Questions
How do I know if my foundation problem is serious?
Hairline vertical cracks are often shrinkage. Wide, horizontal or stair-step cracks, bowing walls, sticking doors and sloping floors point to movement and should be assessed.
How much does foundation repair cost in Toronto?
Crack injection starts at $500, wall stabilization from $800 per section, piers from $1,500 each and underpinning $300–$600 per linear foot.
Do you repair the foundation and waterproof at the same time?
Yes. Most foundation damage in Toronto is water-related, so we fix both.
Do I need an engineer?
For structural repairs such as reinforcing walls, piers or underpinning, yes. Crack injection and parging usually do not.
Can foundation repair be done from inside?
Many repairs can — crack injection, wall reinforcement and interior drainage. Some need outside excavation.
Is foundation repair covered by home insurance?
Usually not when caused by gradual settling or water; check your policy.
Is there a warranty?
Yes, a written warranty on materials and workmanship.
What happens if I don’t repair my foundation?
Small problems grow: cracks widen, water gets in, and walls can keep moving. Waiting often turns a simple crack repair into structural work or underpinning.
What is the best season for foundation repair?
Interior repairs can be done any time of year. Exterior work is easiest from spring to late fall, though it can be done in winter with extra ground preparation.
Are small foundation cracks normal?
Hairline shrinkage cracks are common in poured concrete and are not structural. They still need sealing if they let water in.
Do you serve all of Toronto, Ontario and the GTA?
Yes. We do foundation repair across Toronto and the GTA, from Etobicoke and North York to Mississauga, Vaughan and Oakville.
Book a Foundation Assessment
Send photos or book a visit. We will tell you what the damage means and how to fix it.
Call now — Mon–Fri 7 AM – 4 PM(416) 992-5858Office: 58 Six Point Rd, Etobicoke, ON M8Z 2X2
Email: info@leaquida.ca
Licence No.: P94 4418977 (licensed contractor)