Need basement waterproofing in Maricopa County, AZ? Maricopa County has about 4,673,096 residents (2024 estimate) and 24 incorporated cities and towns. Describe your project once: waterproofing contractors who work in Maricopa County get back to you.
Some cities serving Maricopa County restrict where sump pumps may discharge: ask your contractor.
Services available in Maricopa County
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Interior drain tile and sump pump
Interior perimeter drain, sump pump and vapor barrier to keep water out of the basement.
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Exterior waterproofing
Excavation, membrane and footing drain on the outside of foundation walls.
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Basement crack sealing
Injection or sealing of leaking cracks in poured or block foundation walls.
Frequently asked questions in Maricopa County
Do waterproofing contractors cover the whole of Maricopa County?
Most pros work across the county and neighboring counties. Enter your ZIP code in the form and we match you with pros who serve your exact area.
Basement Waterproofing in Arizona: all counties
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.