SiteCity Business Directory

Private Investigation

Houston

76 businesses listed, showing 1–40. How we order them.

Houston has 76 private investigation listings on this page. The busiest zip codes are 77002, 77056, and 77069, each with 3 entries, while 77027, 77058, 77070, 77092, and 77096 each carry 3. If you're near one of those clusters, pull up two or three names and compare them before calling, since being close by won't tell you who handles the type of case you need. Every listing includes a phone number, and 71 of the 76 link out to a website, so you'll usually have more than one way to check a firm first.

More about private investigation in Houston ↓

None of these listings carry a Sponsored tag, because paid placement for this category hasn't been switched on in Houston, so the order you see reflects standard directory sequencing rather than payment. If you run one of these agencies and notice a missing website or an outdated phone number, you can claim the listing and update it, which gives someone searching near 77069 or 77002 accurate details instead of a dead end.

Private Investigation in Houston by the numbers

SiteCity lists 76 businesses under Private Investigation in Houston, TX, as of November 4, 2026. 74 list a phone number and 71 list a website.

Most-listed ZIP codes: 77002 (6), 77056 (4) and 77058 (4).

Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.

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