Derk Harmsen Construction Co., Inc.

Derk Harmsen Construction Co., Inc. (DHC) has been in business since 1979 under its present name and has been involved in the construction industry serving the Houston Area as a general contractor. Quality is priority at Derk Harmsen Construction Co., Inc. Our professionals execute cost effective labor in a timely manner. To ensure your satisfaction, all work is fully warrantable. Please review the information in this section while considering our company. Here you will find letters from our banking, bonding, and insurance companies, as well as references from some of our satisfied customers.

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Ed T.

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The quality of Window World was beyond compare. We received 5 bids for our 22 new windows and each bid was at least 50% higher than Window World. We have already recommended them to several of our friends and we recommend them to anyone reading this review.

We live in Columbus Ohio. Do I need a concrete base for a hot tub? The tub will be7'x7'. How important is it to have 220v. ?
If you are installing a Hot Tub you will need a Concrete base or a solid base of Pavers or Stone, it must be level to distribute weight evenly. This ensures no water damadge to the bottom of the unit ... read more
Last edited Mar 31, 2015 11:38am

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