Diversified Services LLC

Report card

• Licence activeTSBPE #M-16290, Responsible Master Plumber CALVIN MOORE. Issued 18 Nov 1986, expires 30 Sep 2027.
• Licensed 40 yrsSince 18 Nov 1986.
• Liability insuredMaxum Indemnity Company, valid to 26 Jun 2027.
• On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
• 1 building permit since 2020Naming this business as the contractor (City of Dallas), most recently 15 Aug 2025.

Checked against the Texas State Board of Plumbing Examiners (TSBPE) register on 4 Nov 2026.

Recent permits

Building permits pulled under licence #M-16290, from City of Dallas open data, which names contractors up to 2 Nov 2026. Locations are shown to ZIP code only.

• 15 Aug 2025 · Commercial Alteration Addition Permit · ZIP 75220MCR Construct 1, 3-5/8" X 9' metal stud free standing wall with wall supports bolted to concrete floor across back area of lease space with open ceiling, 1...

Why it ranks #125 of 301 plumbers in Houston

Score 46.2 / 100. Claiming this listing or using Theo never changes it. How we rank