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Foundation Repair

Foundation Repair in the Seattle Area, WA.

A cracked or settling foundation does not stay a foundation problem. It becomes sticking doors, separated trim, a leaning chimney and a wet crawl space. We diagnose what is actually moving before anyone pours a thing.

Why Foundations Fail Here

Pacific Northwest Soil Is the Real Opponent

Western Washington sits on glacial till, silt and clay that swell when saturated and shrink when they finally dry. Add an eight-month wet season and water that is never routed away from the footing, and the soil beside your foundation spends most of the year pushing. That pressure is what opens vertical cracks, bows basement walls inward and drops one corner of a house while the rest stays put.

Not every crack is structural. Hairline shrinkage cracks appear in almost every poured wall within the first year and mean nothing. A crack that is wider at one end, one that runs on a diagonal from a corner, a horizontal crack across a block wall, or any crack that has moved since you first noticed it is a different conversation. So is a floor that slopes, a door that has started to bind, or a gap opening between the chimney and the siding.

We read the whole picture before recommending a repair: the crack pattern, the grade around the house, where the downspouts discharge, the condition of the footing drain, and whether the crawl space is carrying standing water. Repairing the concrete without fixing the water that caused it is how homeowners end up paying twice.

How We Work

How We Approach a Foundation Repair

A structural repair is only as good as the diagnosis behind it, so we work in a fixed order and document every stage.

Full system inspection

We measure, we do not estimate. Crack width and direction, floor level across the span, exterior grade, downspout discharge and the state of the footing drain all get recorded before any repair is specified.

01

Define the Scope

You get a written scope that separates the structural repair from the drainage work, with the reasoning for each. No subcontractors handed your project and no line items that appear halfway through the job.

02

Execute the Repair

Depending on the diagnosis this means epoxy or polyurethane injection, carbon fiber or steel reinforcement for a bowing wall, underpinning for genuine settlement, or rebuilding a failed section of wall.

03

Verify & Document

We re-measure the same reference points, confirm the water is now leaving the structure, and hand over before-and-after photographs so you have a record of exactly what was done and why.

04

Our Projects

Real WORK. REAL Results.

Standing Seam Metal Roof Replacement & Structural Integration in Seattle, WA

Seattle, WA

Structural Chimney Rebuild & Masonry Restoration in Sammamish, WA

Sammamish, WA

Freestanding Gas Fireplace Installation in Mercer Island, WA

Mercer Island, WA

Why Chimneyz

Why a Chimney Company Is the Right Call for Your Foundation

Chimneys are the hardest structural masonry in a house: a tall, slender, unreinforced column that has to survive heat from inside and Pacific Northwest weather from outside. Every Chimneyz mason works to that standard. We also spend our working lives following water through buildings, which is what a foundation problem almost always turns out to be. One licensed team diagnoses the structure, the masonry and the drainage together.

GAF Certified Contractor

Factory-certified roofing installer with access to enhanced warranty coverage and proven materials.

BBB Accredited

Better Business Bureau accreditation with a commitment to ethical practices and customer satisfaction.

READY TO SOLVE THE FULL PROBLEM?

Get a Clear Inspection and the Right Repair Plan.

From chimney leaks and failing masonry to roofline issues and interior damage, Chimneyz helps homeowners identify the real source of the problem and fix it with one coordinated solution.

CLIENT REVIEWS

Trusted by Homeowners the Pacific Northwest.

See how Chimneyz solves complex chimney, roofline, masonry, and restoration issues with clear scopes and high-quality execution.

FAQ

Foundation Repair FAQ

Foundation work is the repair homeowners most want a straight answer about. Here are the questions we are asked most.

How do I know if a foundation crack is serious?

Width, direction and movement. Vertical hairline cracks are usually harmless shrinkage. Diagonal cracks from a corner, horizontal cracks, cracks wider than a quarter inch, or any crack that has grown since you noticed it need an assessment.

Will fixing the crack solve the problem?

Only if the water that opened it has somewhere else to go. Sealing concrete while the soil beside the footing stays saturated buys a season or two. We address the structure and the drainage as one job, which is why the repair holds.

How long does a foundation repair take?

A localized crack repair is often a single day. Reinforcing a bowing wall usually runs two to four days. Underpinning for genuine settlement takes longer and depends on access and soil conditions, which we confirm during the inspection.

Can you tell whether the house is still moving?

Yes. We take level readings and record crack width at fixed reference points, so a follow-up measurement shows whether the structure has stabilized or is still settling. Guessing from photographs alone is not an assessment.

My chimney is pulling away from the house. Is that the foundation?

Often, yes. A chimney carries its own footing, and when that footing settles the stack leans and a gap opens at the siding. Because we work on both, we can tell you whether the problem is the chimney, the foundation, or both.