Foundation repair, concrete repair and crawl space repair in Flagstaff, AZ
Snowmelt, monsoons, and expansive clay. Flagstaff asks a lot of a foundation.
Flagstaff layers challenges most of Arizona never sees: expansive clay that USDA data rates at a moderate expansion risk, monsoon rain, and snow that melts into the same poorly drained ground. The data also flags carbonate bedrock in the area, so conditions can change lot to lot. Our Flagstaff office reads each property on its own terms.
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.
Flagstaff office
13 N San Francisco St #9
Flagstaff, AZ 86001
Phone
(877) 360-9227Hours
Monday to Friday, 7:00 AM to 6:30 PM
About Flagstaff
What Flagstaff looks like from the truck
Coconino County holds Flagstaff, in Arizona. About 76,177 people live here, across roughly 27,062 households. 43 percent of occupied homes are owner occupied, and 13,838 of them are detached single family houses.
Our office is in the town itself, so the crew starts the day here. Coconino County carries 41,433 detached single family homes in total, 59 percent owner occupied. That is about 39 percent of every housing unit in Coconino County. The county around it counts about 144,643 residents across 69,907 housing units. The median home was finished in 1991, with more of the stock built in the 1990s than in any other decade, 6,461 homes. Survey figures show a median home value of $466,600 and a median household income of $65,652. The split is 11,668 owner occupied to 15,394 rented. About 8,847 homes, 33 percent of the stock, predate 1980 and the drainage standards that came with it.
Population and housing figures: American Community Survey, by way of the Signature Media market data set.
What we fix
Foundation problems we see in Flagstaff
Stair Step Cracks
Soil sampled inside Flagstaff carries a moderate shrink swell rating, which means it can swell when it is wet and shrink when it dries.
What this looks likeCracked Bricks
The pre 1980 stock in Flagstaff runs to 8,847 homes, which is where we most often find drainage that was never engineered.
What this looks likeSinking Foundation
The typical Flagstaff house dates to 1991, old enough that the ground under it has been through every wet spring and dry summer since.
What this looks likeLocal conditions
Why foundations move in Flagstaff
What is under the ground here
The survey inside the city limits reads as urban fill rather than a natural series, which is normal for ground this built up, so for the soil series the county survey is the reading: across Coconino County the USDA survey is Unnamed soils at about 10 percent of the survey, with Rock outcrop and Winona alongside it. The texture split is 14 percent clay and 22 percent sand. For swelling and shrinking, the city sample is the more specific reading. Inside the Flagstaff city limits it gives a weighted linear extensibility of 5.1 percent, which USDA reads as moderate shrink swell potential. Karst features are mapped in this area, so voids and sinkhole risk are part of the evaluation.
The housing stock
Most of what we walk into here was built in the 1990s, 6,461 homes, around a median build year of 1991. 8,847 of those homes predate 1980, which is where we most often find footing drains that were never installed and backfill that was never compacted. 34 percent of the housing here, 9,307 units, sits in buildings of five or more, so a fair share of local work is on shared structures rather than single family homes. Mortgages sit on 65 percent of the owner occupied homes in Flagstaff.
Soil survey: USDA NRCS Soil Data Access (SSURGO), sdmdataaccess.nrcs.usda.gov.
Where we work
Neighborhoods we serve in Flagstaff
Inside the city boundary you will find Cherry Hill, Cheshire, Coyote Springs, East Flagstaff and Lynwood, and every one of them is covered by the Flagstaff crew on the same terms.
Around Flagstaff: Inside the city limits you will find Buffalo Park, Bushmaster Park, Coconino Community College, Downtown Flagstaff and Foxglenn Park. They sit between 0 and 3 miles from our Flagstaff office.
ZIP codes inside Flagstaff: 86001, 86004, 86005.
Services available
Foundation repair near you in Flagstaff
Foundation Repair in Flagstaff
Flagstaff clay swells with snowmelt and monsoon moisture, then shrinks through dry spells. Piers seated below the active layer end the ride.
Concrete Repair in Flagstaff
Freeze and thaw plus clay movement is brutal on Flagstaff concrete. We repair spalling, lift settled slabs, and seal cracks against the next winter.
Crawl Space Repair in Flagstaff
Snowmelt finds its way under Flagstaff homes. We repair moisture damaged supports and level floors over crawl spaces built for mountain conditions.
One visit covers all of it: floor elevation measurements, clear findings, a written estimate.
The crew
Some of the crew members who work on jobs like yours
The same company schedules the evaluation, runs the install, and answers a warranty call later.
Flagstaff office
Where the crew comes from
Our office at 13 N San Francisco St #9, Flagstaff, AZ 86001 is right downtown, so local scheduling is quick. Book a free evaluation and a specialist will measure your home before anyone proposes a fix.
- 13 N San Francisco St #9, Flagstaff, AZ 86001
- (877) 360-9227
- Monday to Friday, 7:00 AM to 6:30 PM
What Flagstaff homeowners ask
Don't see your question here? Our team is happy to help. Reach out anytime.
Water arrives twice: monsoon rain in summer and snowmelt in spring, and both soak into clay that USDA data rates at a moderate expansion risk. The repeated wetting and drying moves foundations more often than the desert cities see, and pooled water damages the concrete itself.
Get a free evaluation. We will come and look.
A Dalinghaus specialist evaluates your foundation in Flagstaff, takes floor elevation measurements, walks you through what they found, and sends a clear itemized repair estimate. No pressure.
Care and expertise from a team that's been doing this since 2011.
Dalinghaus Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, concrete, and crawl space work across California, Arizona, and Nevada.
Foundation repair, concrete leveling, and crawl space repair are our entire focus. Not a sideline.
More than 2,000 projects on the clay and desert soils of California, Arizona, and Nevada since 2011.
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.
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.
Take the first step toward a healthy home.
A straightforward path from free evaluation to completed repairs.
Schedule your free evaluation.
A local specialist visits your home, evaluates the foundation, and answers your questions on site. No cost, no obligation.
Receive an estimate based on your needs.
We provide a clear, written estimate with a scope of work tailored to your home's specific issues.
Get your repairs.
Our crews complete the work on schedule, with the findings and scope in writing from the first visit.
More than 1,000 Google reviews across our offices, averaging 4.9 stars.
A 4.9-star average across Google, with verified reviews from the homeowners we work for.
Start with a free evaluation.
Share a few details and a local specialist will follow up as soon as possible to set your evaluation.
- A local foundation specialist on site
- A complete walk-through of the findings
- A clear written estimate at no cost
- No obligation, no pressure
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.