Foundation Inspection project photo
Foundation Repair · Since 2011

Know what is happening under your home before it spreads.

Cracks and sticking doors have innocent explanations and expensive ones. A measured foundation inspection tells you which you have, in writing, with no pressure attached.

Southern California · Arizona · Nevada Since 2011

Let's take the first step toward solid ground.

A local specialist will evaluate your foundation, walk you through the findings, and send a clear estimate. No cost, no pressure.

Licensed Contractor
1,000+ Google Reviews
CA Lic. #983851 · AZ ROC #330307 · NV Lic. #0089738

Diagnosis First

Which situation brings you here?

Different questions call for different inspections. Pick the one closest to yours and see what the measured answer looks like.

Symptoms appearing or worsening in one part of the homeNew cracks, sticking doors, or a slope

Clustered, progressing symptoms are the classic reason to measure. The elevation survey shows whether the foundation under them has actually moved, and the written findings either name the repair or clear the house.

A ground moving event, symptoms or notAfter an earthquake, flood, or major leak

Ground moving events rearrange soil support, and the structural symptoms often lag by weeks or months. A post event survey catches erosion, softened soil, and new movement early, when the repairs are still the small versions.

Escrow timeline, inspection report flagged the foundationBuying or selling a home

Transactions need answers on a deadline, and our real estate inspection service is built for that: the same measured survey, reported in language buyers, sellers, and agents can act on. Book it as early in escrow as you can.

Never inspected, planning a remodel, peace of mindNo symptoms, just want a baseline

A baseline survey on a healthy home is the cheapest insurance in this industry. The numbers go on file, and any future question about your foundation becomes a comparison instead of a guess. Many baseline inspections end with exactly nothing recommended.

Watch

Foundation Inspection: see how we actually do it.

Foundation problems rarely announce themselves. They show up as small things: a door that starts sticking, a crack above a window, a floor that feels slightly off. Each has innocent explanations and expensive ones, and the difference is impossible to judge by eye. A foundation inspection replaces that guesswork with measurement, so you can decide what to do, or confirm you need to do nothing, based on how your home actually sits.

How We Inspect a Home's Foundation. Video preview.
DALINGHAUS · SINCE 2011

How We Inspect a Home's Foundation

DALINGHAUS FOUNDATION REPAIR

In Depth

What the full guide covers

Everything a homeowner should understand about this repair, written by the people who do it.

Read the full guideHide the full guide
CH 01

What a measured inspection actually covers

The inspection usually takes 1 to 2 hours and works from the outside in. It starts with your observations, because the person who lives in the house has data no instrument collects. Then a specialist walks the exterior, reading stem walls, stucco, brick, grading, and drainage; walks the interior, checking floors, walls, ceilings, and how every door and window operates; and enters the crawl space if you have one, examining posts, pads, girders, moisture, and wood condition directly. Everything notable is photographed and documented, and a sketch of the home is drawn to organize the readings.

None of that is a glance and a guess. It is the evidence gathering that makes the elevation survey, the centerpiece of the visit, mean something when the numbers land on the sketch.

CH 02

The floor elevation survey, explained

Settlement hides from the eye. A floor can be well over an inch out of level before most people feel it, and carpet, furniture, and gradual change hide the rest. The survey defeats that by measurement: using a manometer, the specialist records the relative height of point after point across the home, building a map accurate to fractions of an inch. Low zones, high zones, and the steepness of the change all land on the sketch of your floor plan.

The pattern is the diagnosis. A tilted plane sloping toward one corner reads as perimeter settlement. A dip between supports reads as a framing problem. A high zone over a wet area reads as heave. The same cracks that prompted the call could accompany any of the three, which is why the numbers, not the cracks, drive the conclusion.

CH 03

Settlement, heave, or framing: why the difference matters

The three big diagnoses need three different responses, and two of them are easy to confuse. Settlement, the foundation dropping as soil compresses or shrinks away, calls for soil stabilization, sometimes with steel piers. Heave, the slab rising as wet clay swells beneath it, calls for finding and cutting off the moisture source, and piers aimed at a heaved zone would make it worse. Framing problems, sagging girders and failing posts under a raised floor, are a crawl space repair that has nothing to do with the footings.

An eye level look at a crack cannot reliably tell these apart. An elevation map can, which is the practical reason this inspection is built around one.

CH 04

The inspections that end with good news

A meaningful share of our inspections end with no repair recommended, and we count those as successes. Stable hairline cracks, a slight tilt that has clearly been there since the house was young, seasonal movement within the normal range for clay country: all of these earn a written all clear, a baseline set of measurements, and a suggestion to recheck in a year or after the next wet winter.

That baseline has real value. Foundations move slowly, and the difference between a stable home and a moving one is exactly what two surveys a year apart prove. Buying peace of mind with an afternoon and zero dollars of repair is the best transaction in this industry.

CH 05

Why homes here deserve a baseline at all

The soil across our service area guarantees some movement. Inland valleys sit on clay that swells every wet season and shrinks every dry one. Desert and coastal sands hold still until water moves them. Foothill lots mix shallow rock with graded fill. Add the region's seismic reality, flash flood drainage patterns, and decades old grading on many lots, and a house that has never been measured is a house running without a reference point.

An inspection does not manufacture a problem out of any of that. It simply tells you, in numbers, whether your home is riding the regional cycle safely, and it costs you an hour and a half to find out.

CH 06

After the inspection: what happens with the findings

You receive the written findings promptly, usually within a day: the elevation map, the photos, and the plain language conclusion. If repairs are warranted, the report lays out the options with scope and costs, ranked honestly, including the do nothing and monitor option whenever the measurements permit it. Nobody calls you nightly. Scare tactics have no place in a company built on referrals, and the report is designed to be shown to other contractors for competing bids, which we genuinely encourage.

If you proceed, the same measurements steer the repair, and a final survey afterward verifies what changed. If you file the report in a drawer, it quietly becomes the baseline that makes every future foundation repair question about your home cheaper to answer.

Regional Context

Why foundations fail differently in California, Arizona, and Nevada

Most of our service area sits on expansive clay: soil that swells when it rains and shrinks through the long dry season, cycling foundations up and down a little more every year. Desert markets add a second pattern of dry, undercompacted fills that settle the first time irrigation or a plumbing leak finally wets them. A diagnosis that ignores which soil your home sits on is a guess, which is why every evaluation starts with floor elevation measurements, not assumptions.

2,000+
Foundation repair projects completed
Across CA, AZ, and NV since 2011
4.9
Average Google rating
Across 1,000+ reviews at our offices
8
Local offices
Southern California and Arizona
2011
Serving the Southwest since
Founded in Lake Elsinore, CA

Expansive clay drives the wet and dry cycle

Clay soil acts like a sponge under the house. Winter rain swells it and lifts the foundation unevenly; the dry months shrink it and let sections settle back down. Each cycle concentrates stress in the slab, the stem walls, and the framing above them, which is why cracks here tend to reopen after cosmetic patching.

Hillside neighborhoods add cut-and-fill lots: part of the home rests on native soil and part on placed fill, and the fill side almost always moves more. The wall between the two zones is usually where the first cracks appear.

Desert soils settle when water finally arrives

Arizona and Nevada homes often sit on dry soils that were never a problem until landscape irrigation, a broken pipe, or a monsoon season wet them for the first time. Those soils compress quickly once saturated, and the settlement shows up as sticking doors, drywall cracks, and sloping floors.

The fix has to match the mechanism. Steel piers carry the home past the unstable layer to load-bearing strata and prove their capacity as they install, instead of betting on the surface soil behaving next season.

Project Photos

Foundation Inspection on our job sites.

Photos from our own crews and projects. Swipe or use the arrows to see more.

Why Choose Dalinghaus

Care and expertise from a team that's been doing this since 2011.

Work like foundation inspection is not a sideline for us. Dalinghaus crews handle foundation repair and related structural work across California, Arizona, and Nevada, and nothing else.

01
Specialized expertise.

Foundation repair, concrete leveling, and crawl space repair are our entire focus. Not a sideline.

02
Locally owned since 2011.

More than 2,000 projects on the clay and desert soils of California, Arizona, and Nevada since 2011.

03
Licensed in California, Arizona and Nevada.

CSLB License #983851 in California, ROC #330307 in Arizona, and License #0089738 in Nevada. Look us up with the state before we ever set foot on your property.

04
Warrantied solutions.

Warranty terms come in writing with every proposal, and the terms that apply to your job are stated in that job's paperwork. Ask your project specialist during the free evaluation.

Brian Dalinghaus, co-founder of Dalinghaus Foundation Repair
Brian Dalinghaus CO-FOUNDER · SINCE 2011
Brad Dalinghaus, co-founder of Dalinghaus Foundation Repair
Brad Dalinghaus CO-FOUNDER · SINCE 2011
Recent work

Projects from your neighborhood

[ 01/05 ]
Commercial Helical Piles
Helical pile foundation for a solar canopy in Southern California
Southern California

Helical pile foundation for a solar canopy in Southern California

Helical PilesPull Testing

Dalinghaus installed the helical pile foundation and erected the structure for a solar canopy over a staff parking lot in Southern California, working in four phases so the lot stayed open.

Show project
Foundation Repair
Lifting a settled Irvine home 3 inches with helical piers
Irvine, CA

Lifting a settled Irvine home 3 inches with helical piers

Helical PiersHydraulic Lift

The back of an Irvine home had settled about 3 inches over roughly ten years. Ten helical piers went in over two days, and a 30 minute lift brought the back half of the home up 3 inches.

Show project
Foundation Repair
Helical piers to bedrock under a Rancho Palos Verdes home caught in a landslide
Rancho Palos Verdes, CA

Helical piers to bedrock under a Rancho Palos Verdes home caught in a landslide

Helical Piers

A hillside home in Rancho Palos Verdes split in half as the ground slid toward the slope. Dalinghaus installed helical piers about 30 feet down to competent strata or bedrock beneath it.

Show project
Foundation Repair
Steel piers for a Rancho Palos Verdes home that settled 16 inches
Rancho Palos Verdes, CA

Steel piers for a Rancho Palos Verdes home that settled 16 inches

Steel PiersFoundation Stabilization

A beachside home in Rancho Palos Verdes settled 16 inches in a couple of months. Steel piers were driven to load bearing soil or bedrock at each excavated location, with a lift planned once they were in.

Show project
Foundation Repair
Lifting a San Clemente hillside home that settled 2 inches
San Clemente, CA

Lifting a San Clemente hillside home that settled 2 inches

Helical PiersHelical Tieback Anchors

A San Clemente hillside home had settled about 2 inches and was moving toward the slope behind it. Vertical helical piers and helical tieback anchors stabilized the home and recovered part of the drop.

Show project
Frequently Asked Questions

Answers to common questions about Foundation Inspection.

Don't see your question here? Our team is happy to help. Reach out anytime.

A specialist listens to your concerns, examines the foundation inside and out, checks the crawl space for moisture and support problems if you have one, evaluates grading and drainage, and takes floor elevation readings with a zip level that map exactly how your home is sitting. You receive the findings in a written report with recommendations, or with confirmation that none are needed.

Pricing & Scope

Honest pricing & honest limits

Every home is different, so every estimate is written for the home in front of us. A free on site evaluation gives you a written estimate that reflects your specific scope, access, and conditions.

How pricing works

The evaluation is free, including the floor elevation readings and the written findings. If repairs are warranted, the report lays out options with costs in writing before you commit to anything.

When this isn't the right fix

A meaningful share of our inspections end with no repair recommended at all: a written all clear, a measured baseline, and a recheck suggested after the next wet season. We count those as successes.

Why our estimates are honest

Licensed contractor serving California, Arizona, and Nevada.

What to Expect

What to Expect From Your Free Evaluation

Letting someone into your home to look at the foundation takes trust. Here is how the visit works, from the first email to your written proposal.

Step 01

Before We Arrive

After you confirm, we email a calendar invite and a short bio and photo of the specialist who will visit. Before the day, we check that the time still works and send a few resources on how foundation repair works.

Step 02

The Walkthrough

We call about an hour before we arrive. Your specialist asks what you have noticed, then walks the home inside and out and points out what they see. With your permission, we photograph what we find for your file.

Step 03

The Measurements

We sketch your home's floor plan, then measure the floors with a zip level to within a tenth of an inch. The readings show how the home is really sitting. Most visits take 1 to 2 hours.

Step 04

Your Proposal and Portal

If repairs are needed, we email your proposal with the repair plan and the elevation readings, and you can approve it online. Your documents, daily job logs, photos and invoices then stay in that portal to download at any time, even years later.

Customer Reviews

More than 1,000 Google reviews across our offices, averaging 4.9 stars.

Before you choose a foundation repair contractor for foundation inspection, read how homeowners across California and Arizona rate our work.

Free Evaluation

Start with a free evaluation.

Share a few details and a local specialist will follow up as soon as possible to set your evaluation.

What to expect
  • A local foundation specialist on site
  • A complete walk-through of the findings
  • A clear written estimate at no cost
  • No obligation, no pressure
Prefer to call
877-360-9227
Southern California · Arizona · NevadaSince 2011
Dalinghaus Foundation Repair

Let's take the first step toward solid ground.

A local specialist will evaluate your foundation, walk you through the findings, and send a clear estimate. No cost, no pressure.

Licensed Contractor
1,000+ Google Reviews
CA Lic. #983851 · AZ ROC #330307 · NV Lic. #0089738

Not sure your home needs foundation inspection?

A free evaluation answers every foundation repair question: one visit, clear findings, written estimate.