Completely
Spotless

Providing unsurpassed residential and commercial cleaning services.

What We Do



Rather than talk about our team of experts, it is our quality service that defines DeMark’s Building Maintenance Solutions. For over 10 years we have served residential and commercial customers in Madison and the greater Milwaukee area. We pride ourselves on innovative, cutting edge technologies and products which produce superior results.

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What Our Customers Are Saying

Liz D

"They did a fabulous job of getting my aluminum siding looking like new. The gentleman who performed the work was easy going, took his time in doing a fabulous job. I’ll be calling Demarks in the Spring to have them powerwash my concrete patio!"

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