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TRUSTED BY SEBASTOPOL, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon68
    Verified house leveling services reviews

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Avatar for JMW Builders Inc
JMW Builders Inc
4.5(
12
)
Find a Custom Home Builder

Serving Sebastopol, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Customers say: Quality work

"We had a very good experience with JMW Builders INC. Jim finished my kitchen remodeling in 3 weeks and 3 days. My kitchen looks great with new cabinets, counter top and under cabinet lights. Jim was quick, organized and decisive. We'll definitely hire him again for future projects and recommend him to our friends"
My jobs
My jobs
My jobs
My jobs
My jobs

+1

Response time3 hrs
Response rate85%
15 neighbors recently requested a quote
Avatar for Silver Lining Construction
Silver Lining Construction
4.1(
7
)
Find a Custom Home Builder

Serving Sebastopol, CA and surrounding areas

Approved

In business since 1998

Free estimates

Offers commercial services

"Jim was extremely professional and his communication was excellent. He walked me through the process and gave me options. Jim amd his team gave me 5 star service on the 2,840 sq ft house they built for me. From the floors to the doors Jim helped me pick out everything came out great. I am so glad he was recommended to me by my neighbor Jared."
Front view
Front porch
Entry
Backyard
Kitchen

+10

Response time2 days
22 neighbors recently requested a quote
Recommended by42%of homeowners
Avatar for Atrisco Construction
Atrisco Construction
4.8(
4
)
Find a Custom Home Builder

Serving Sebastopol, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"They made an appointment the next day, showed up on time, clean and professional. After finishing he leveled my dishwasher, at no additional charge, which had been bothering me for years. All very friendly at a fair price."
Full Kitchen Remodel
Full Kitchen Remodel
Full Kitchen Remodel
Full Kitchen Remodel
Full kitchen remodel

+21

Recommended by75%of homeowners
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House Leveling questions, answered by experts

Trenching and boring are two distinct methods for installing underground utilities. Trenching involves digging a channel using equipment like an excavator, trencher, backhoe, or shovel. While it is a simpler process, it causes significant disruption to the surface, landscaping, and surrounding ecosystems.

Boring, also known as directional boring, is a less invasive alternative that uses a drill to create a tunnel for utility lines without disturbing the surface. This method is more precise and is ideal for installations that need to go underneath buildings, roads, or bodies of water. Although boring is less disruptive, it is generally more expensive than trenching.

On average, a mudjacking repair lasts between five and 10 years, though it can sometimes last for well beyond a decade under ideal conditions. Its longevity depends heavily on several factors, including the condition of the underlying soil, environmental conditions like freeze/thaw cycles and erosion, and whether the root cause of the sinking, such as drainage issues, is resolved. Because it doesn't always fix the underlying problem of loose soil, mudjacking is often considered a temporary solution. Proper maintenance and evaluation can help extend its lifespan.

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. 

The Sebastopol, CA homeowners’ guide to house leveling services

From average costs to expert advice, get all the answers you need to get your job done.