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About Watertight
A Louisville crew that fixes what is under your house, properly
17 years of crawl spaces and basements. Owner-led, locally staffed, rated 5.0 from 331 Google reviews.


Who we are
Crawl space reconditioning is the heart of the business. Everything else grew around it.
Watertight Waterproofing is owned and run by Zach Roberson. The core of the business is crawl space reconditioning, which is all of the moisture control, insulation and repair work that makes the space under a house dry and healthy again. Around it sit basement waterproofing, mold remediation and joist and beam repair, because homeowners want one crew that can handle all of it.
The technician who inspects your house is the one who explains the plan. Our people work in protective suits and respirators when the job calls for it, and they leave the site clean. And when you call, someone answers.
- Google Verified through Google Local Services
- IICRC certified for mold and water damage remediation
- Insured, and we manage insurance claims when water damage is covered
- 17 years in business, 331 Google reviews at 5.0 stars
How we work
Four things you can hold us to
We show you, we do not tell you
Photos and video of what we find under the house, before you decide anything.
One number, in writing
A scope and a price you can read. Options where there are real options. No surprises on the invoice.
A lifetime transferable warranty
On our work. It stays with the house, which is worth real money when you sell.
Fair on price
We will beat any reputable company's price on the same scope. We would rather do the job well than pad it.
The crew, at work
Not a marketing shoot. This is what a week looks like.









Where we work
Louisville first, and a long way past it
Home base is southwest Jefferson County. We work every neighborhood in Louisville, plus Oldham, Bullitt, Shelby, Spencer, Nelson, Hardin and Meade counties, and southern Indiana across the bridges: Jeffersonville, New Albany, Clarksville and Sellersburg. If you are anywhere in that footprint, or near it, call us and ask.
Ready when you are
Call (502) 701-7882 or request a free estimate online. A technician comes out, looks, and puts the plan in writing.


