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Welcome to 1855slabjack


1855slabjack is a family owned and operated company with locations in Spokane and Wenatchee Washington.

Founded in 2011 by Jerald and Jared Sargent, 1855slabjack is a full service slabjacking / concrete raising, foundation repair and concrete crack repair company.

Jerald brings over thirty years of successful business ownership and problem solving to the company and is the managing partner for residential services in Central Washington. Jerald also manages all commercial, industrial and municipal services across Washington and Idaho.

Jared, a military veteran, has been with the company since its inception and is the managing partner for Eastern Washington and Northern Idaho.

1855slabjack provides commercial, industrial and municipal services to all of Washington State and Idaho.

1855slabjack provides residential services to all of Central Washington, Eastern Washington and Northern Idaho.

1855slabjack is fully licensed, bonded and insured.


1855slabjack is the most experienced concrete
raising company in the markets we serve utilizing the advanced Geo-polymer injection method.

1855slabjack provides free on-site estimates for residential concrete repair of driveways, patios, sidewalks, porches, entryways, pool decks, garage floors, basement floors and other residential services.

We also provide slabjacking services for Commercial and Industrial facilities as well as Municipal projects such as swimming pools and infrastructure rehabilitation. We have raised thousands of slabs all across Washington and Northern Idaho, from Walla Walla to Wenatchee, to Spokane and Couer d'alene.


1855slabjack utilizes cutting edge technology and D.O.T. approved
polymers that are manufactured with up to 50% recycled materials, a first in our industry.

When compared to replacement, 1855slabjack will provide savings of 40 to 80% and compared to other methods of concrete leveling we offer superior aesthetics, quieter operations, less mess, a quicker process. The best part is you can use your driveway, sidewalk, patio or whatever concrete slab we repair the second we leave.

For more information about Geo-polymer injection slabjacking vs. mudjacking, visit our Geo-Polymer Information Page.