Editorial summary
Groundworks is listed in Sioux City at 507 7th St Ste 228-29, with a phone number, website, and a 4.9 Google rating from 68 reviews. The listing also shows free inspection and financing availability, which may matter to homeowners comparing larger repair companies. The service list is broad and squarely in crawl-space and foundation work: crawl space encapsulation, crawl space repair, crawl space waterproofing, foundation repair, mold remediation, vapor barrier installation, drainage systems, sump pump services, and crawl space dehumidifiers. That gives this entry strong topical coverage for common home-moisture problems, especially if the concern is standing water under the house, excess humidity, or sagging floors tied to crawl-space conditions. The source data does not provide a usable service-area description, so the Sioux City address is the only confirmed local location in the record. The website field is present, but the supplied URL points to a sitemap rather than a clean local landing page, so it should be treated simply as evidence of an online presence, not as a content-rich location page. Overall, the profile is well supported by review volume, a full service set, and clear crawl-space specialization.