Foundation repair guide

How to Choose a Foundation Repair Contractor in Chicago

Foundation work is sold on a wall you cannot see behind and a soil condition you cannot measure yourself. The only defense a homeowner has is documents, and the good news is that documents are easy to check.

  • Written measured scope within 48 hours
  • No commissioned salespeople, no same-day pricing
  • 20+ in business, 1,500+ Chicago area homes
A contractor holding a clipboard with a basement diagram, walking a homeowner couple through the written diagnosis in their unfinished basement. Own crews, published pricing, $2,000,000 general liability

The short answer

Judge a foundation repair contractor on four things: a written scope with real measurements and quantities, a price you can check against published ranges, a warranty that transfers to the next owner with its exclusions spelled out, and crews the company employs. On any large proposal, including ours, pay a structural engineer for an independent second opinion.

Foundation repair sits in an awkward spot. The diagnosis takes measurement and experience, the failure mode is slow, and a bad repair can look identical to a good one for years. That combination is what makes the industry uneven. It also means the usual homeowner instincts, gut feel about the person at the door and a comparison of three bottom-line numbers, are close to worthless here. What works instead is boring: read the paperwork, check the arithmetic, and refuse to decide in one sitting.

In this market the pressure is seasonal. Cracks show up during spring thaw and after the summer storms that soak our clay, phones ring, calendars fill, and that is exactly when a homeowner is most likely to sign something on the spot. Chicago also has enough century-old block and enough newer subdivision settlement that a company can stay busy selling one method to everybody. Use the checks below on us and on everyone else, then read the foundation repair overview to see how the methods differ.

What should a foundation repair quote actually include?

A real proposal is a set of measurements with prices attached. If you cannot rebuild the total from the numbers on the page, you are looking at a sales document, not a scope.

Read any proposal you receive against these five things, in this order.

  1. Measurements, taken in front of you

    Wall lean in inches, crack widths, floor elevation differences across the room. A proposal that states a condition without a number behind it cannot be checked later, and it cannot be compared against a second company's findings.

  2. Quantities and locations

    Nine piers is not a scope. Nine piers with a sketch showing where they land along which wall is. The same goes for strap spacing, beam count and the linear footage of any drainage included in the price.

  3. Unit pricing, not one number

    You want the price per pier, per strap, per beam, per crack, so the arithmetic is visible. Unit pricing is also what lets you cut scope honestly if the budget is tight, instead of renegotiating a mystery lump sum.

  4. What is excluded

    Restoration of landscaping, interior finish repair, concrete replacement, permit fees where a village requires them. Exclusions decide your real cost. A contractor who lists them plainly is telling you they have done this before.

  5. The warranty document itself

    Not the brochure line, the actual terms. Read what triggers it, whether annual inspections are required to keep it alive, what it excludes, and whether it survives a sale. Ask for it before you sign, not after.

How saturated clay bows a block basement wall Cross-section of a concrete block basement wall. Saturated clay on the outside pushes sideways against the wall. The wall bows inward, and a horizontal crack opens along a mortar joint about a third of the way down from the top. Frost line · 42 in. Basement Saturated clay pushes sideways Wall bows in Horizontal crack, about a third down
A block wall bowing inward under lateral pressure from saturated clay, showing the mid-height horizontal crack and corner stair-stepping that a proposal should quantify in inches rather than describe as severe.

Signs of a scope you can act on

  • Numbers you could verify yourself with a tape and a level
  • A drawing or photo marking each repair location
  • Prices that line up with published ranges for this market
  • Named exclusions and a stated restoration boundary
  • A warranty document handed over before the deposit

Signs to slow down

  • A single total with no line items behind it
  • A discount that expires when the estimator leaves your driveway
  • The same method recommended regardless of what the wall is doing
  • A large deposit requested before any schedule exists

How do I know the diagnosis is right?

Most bad foundation jobs are not bad workmanship. They are correct repairs installed for the wrong reason, on a wall that was moving for a cause nobody looked into.

Five checks that separate a diagnosis from a product recommendation.

  1. Ask what is driving it

    Every real diagnosis names a cause: clay pressure from saturated soil, footing settlement into soft fill, a tree drawing moisture out during drought, frost heave at a shallow footing. No cause means no diagnosis.

  2. Check whether water was addressed

    On a bowing block wall, hydrostatic pressure is usually part of the story. A proposal that braces the wall and ignores the downspout dumping at that corner has treated the symptom and left the load in place.

  3. Make them explain the alternative

    Ask why straps instead of anchors, why push piers instead of helical, why bracing instead of rebuilding. A contractor who can argue the other side accurately understands the problem. One who cannot is selling one thing.

  4. Ask what happens if you wait

    Some conditions are genuinely urgent and some can be monitored through a season with a crack gauge. Honest answers include both. Every crack being an emergency is a sales posture, not an engineering finding.

  5. Buy a structural engineer for the big ones

    On any large proposal, ours included, a licensed structural engineer costs a fraction of the job and has no stake in the outcome. Their independent opinion is the single best money a homeowner can spend here.

How water reaches a Chicago-area footing Cross-section of a house foundation. Rain falls at the surface, runs down through the loose backfill ring beside the foundation wall, and collects at the footing, where it pushes against the basement wall. The undisturbed clay beyond the backfill drains far more slowly. Basement Undisturbed clay drains slowly Backfill ring drains fast Footing Water collects and pushes on the wall
How roof and surface water runs along the grade, soaks down through loose backfill and saturates the soil against the wall and footing, the driver a foundation diagnosis should either confirm or rule out before any repair is priced.

What a second opinion is worth

  • An engineer works for you, not for a repair method
  • Their report gives you language to compare bids against
  • It often narrows the scope and lowers the total
  • It becomes a document you keep for a future sale

Answers that should worry you

  • Discouraging you from getting another opinion
  • Refusing to explain why a cheaper method was ruled out
  • A diagnosis reached without measuring anything
  • Urgency language with no measurement supporting it

How do I compare two foundation repair bids?

Two proposals for the same wall can differ by thousands and both be honest. Line them up on these rows and the difference usually turns out to be scope, not price.

A bid you can verify A bid to question
How the problem is described Measured: lean in inches, crack width, elevation change Adjectives: severe, failing, urgent
Pricing format Per pier, per strap, per beam, per crack One lump sum with no breakdown
Price sanity check Lands inside published market ranges Far outside them in either direction
Who does the work Employees of the company, on their own trucks Unnamed subcontractors assigned later
Warranty A document you can read, transferable to the next owner A verbal lifetime claim with no paper
Warranty conditions Exclusions and inspection requirements stated Fine print you receive after the deposit
Pricing pressure The number is the same next week A discount that expires today
Second opinions Encouraged, engineer report welcomed Discouraged or dismissed
Insurance Certificate provided on request, naming coverage Vague assurance that they are covered

A very low bid is as informative as a very high one. It usually means the scope is smaller than you think, so read what is missing rather than assuming you found a deal. Our ranges are published in full on the pricing page so you have a baseline before anyone visits.

Holding a proposal you are not sure about? We will measure the same wall and put our own scope in writing, free within 48 hours, with no obligation attached.

What a good contractor should say about your house

Era tells an experienced estimator where to look before they walk downstairs. Listen for whether the person in your basement knows the local housing stock or is reciting a script.

A row of 1920s brick bungalows on a Chicago residential street with mature parkway trees on an overcast day.

Pre-war bungalows and two-flats

They should ask about the original clay tile drain, check the mortar joints and mention the four-foot gangway before proposing anything that needs a machine. Access shapes the honest answer on these lots.

Access first, method second
A concrete block basement wall bowing inward with a horizontal crack along a mortar joint, shown by a level held against it.

Post-war block ranches

Block walls bow under clay pressure, so a straight answer covers both the bracing and where the water is coming from. Straps, beams and anchors all fit different amounts of movement.

Ask why this method
An interior door visibly out of square with its frame, with a gap at the top corner above a subtly sloping wood floor.

1980s and 90s poured walls

Most findings here are single cracks or minor settlement at an addition. If a poured wall in this era gets quoted a full perimeter structural scope, ask exactly what measurement led there.

Question a big scope
A 1990s subdivision street of two-story colonial homes with attached garages and young parkway trees on flat lawns after rain.

Newer subdivision homes

Settlement into backfilled or compacted fill is common, and so is grading that dropped after a few winters. A good estimator checks the grade and the downspouts before pricing piers.

Grade before piers

What should foundation repair cost around Chicago?

We publish our ranges so you have something to check any proposal against. Carbon fiber straps run $600 to $1,000 per strap, steel I-beams $900 to $1,500 per beam, and piers $1,600 to $3,000 each.

WorkRangeWhat moves the number
Urethane crack injectionper crack $450–$900 Crack length and width, access to the full height
Carbon fiber strapsper strap $600–$1,000 Wall height, spacing the deflection requires
Steel I-beam wall bracingper beam $900–$1,500 Ceiling height, footing condition at the base
Push or helical piersper pier $1,600–$3,000 Depth to load-bearing strata, access for equipment
0% for 12 months financing available on approval

Multiply the unit price by the quantity on the proposal in front of you. If the total does not come close, the difference is either scope you did not notice or margin nobody explained. Every range we quote from lives on the pricing page.

When you should not hire a foundation contractor at all

Plenty of the calls we take do not need a foundation company. Saying so costs us a job and saves the homeowner a five-figure decision.

You need an engineer, not a bid

When three companies give you three different methods, stop collecting quotes. A licensed structural engineer is independent, charges a small fraction of the repair, and their report tells you which of the three is right.

Buy the opinion first

The crack has not moved

A $20 crack gauge and readings across one freeze and one thaw is real data. Many hairline cracks in poured walls never change. The crack width guide shows where monitoring ends and repair begins.

Wait a season

It is water, not structure

A wall that seeps but is straight and stable does not need bracing or piers. That is a drainage problem, and the fix may be $600 to $2,500 of downspout and grading work outside. Start at the grade.

Cheaper elsewhere

The house is still under builder warranty

Newer subdivision homes often carry structural coverage from the builder. Call them before you hire anyone, because paying for a repair yourself can complicate what you are owed under that coverage.

Not our work

Questions homeowners ask before hiring

How many foundation repair quotes should I get?

Two or three is plenty, and the value is in comparing scopes rather than totals. Give every company the same information and ask each for measurements and unit pricing. If the recommended methods disagree, that is your signal to bring in an independent structural engineer instead of collecting a fourth bid and picking the middle number. Beyond three visits you are mostly gathering sales pitches, and the pitches start to blur together in a way that makes a worse decision, not a better one.

Should I hire a structural engineer before signing anything?

On a large proposal, yes, including one of ours. An engineer is paid for an opinion rather than a repair, so nothing about their recommendation depends on which method you choose. They give you a scope written by someone with no financial interest, and that report keeps working for you later during a home sale or an insurance conversation. It also frequently narrows the scope. We have had engineer reports cut our own proposals down, and that is the system working exactly as it should.

Does it matter if a company uses subcontractors?

It matters for accountability. In-house crews mean the people in your basement answer to the company holding your warranty, and training stays consistent from job to job. Subcontracted work can be fine, but ask who is actually coming, who supervises them on site, and who you call in three years if something moves again. We run our own crews on every job, which is also why our schedule is a real date rather than a placeholder.

What should I do about a discount that expires today?

Decline it. A price that only exists while someone is standing in your kitchen is a pressure tactic, not a promotion, and it is the clearest warning sign in this trade. Real pricing survives a week of thinking. We publish ranges, quote from them, and the number is the same whether you sign on the visit or a month later. Nobody who inspects your foundation works on commission, so nobody in your basement has a reason to rush you.

What questions should I ask about the warranty?

Ask four things: does it transfer to the next owner, does it cost anything to transfer, does it require paid annual inspections to stay valid, and what specifically is excluded. Then ask for the document itself before you put money down, because a warranty you read after the deposit is not a warranty you chose. Our foundation work carries a 25-year transferable warranty, injection carries a 10-year warranty, and the full terms sit on our <a href="/warranty/">warranty page</a>.

How do I check that a contractor is licensed and insured?

Ask for a certificate of insurance sent directly from their agent rather than a photocopy, and check licensing requirements with your own village, since they vary across the counties we serve. Also ask what coverage limits they carry for a job of your size, since excavation next to a neighbor's property raises the stakes. We hold $2,000,000 general liability in general liability and send the certificate on request, before any work is scheduled.

What our own process looks like on paper

The fairest thing we can do is show you exactly what we hand a homeowner, so you can hold every other proposal against it. A measured inspection, a written diagnosis naming the cause, quantities with unit pricing, stated exclusions and a warranty document you get before any deposit. If someone beats that on paper, hire them.

See our inspection and quoting process
A clipboard with a hand-drawn basement inspection sketch and measurements beside a tape measure and flashlight.

Get a scope you can check line by line

Free measured inspection within 48 hours, published unit pricing, own crews, and $2,000,000 general liability behind every job.

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