A Family Owned Pool Construction & Maintenance Company

Baltimore | Carroll | Harford

Our passion is pools! Whether you're looking for pool cleaning, maintenance, new construction, or other swimming pool service, Lothorian Pools treats every customer with an earnest desire to exceed the expected and deliver the exceptional for pool owners in the Baltimore, Carroll and Harford County region. Our professional pool builders ensure that you receive a luxurious and perfectly constructed swimming pool that will stand the test of time.

Matthew and Bob Thompson, owners of Lothorian Pools, have earned a reputation based upon integrity and trust. From our reliable customer service team to the certified pool service technicians who come to your door, you can depend on Lothorian Pools to make your pool experience the best.

"We started by wanting a beautiful pool, we ended up with a change in lifestyle"

Dan Booth, Monkton, Maryland

We offer a full range of pool services

  • Pool and Spa Opening
  • Pool and Spa Closing
  • Weekly and Bi-weekly Maintenance
  • Winterization of Pool House and Outdoor Kitchen
  • Pool Inspections for Home Buyers
  • Pool and Spa Renovation
  • Winter Cover Sales and Repair
  • Automatic Cover Sales and Repair

Affiliations and Memberships

  • National Plasterers Council
  • American Concrete Institute
  • American National Standards Institute
  • American Society of Landscape Architects
  • Association of Pool and Spa Professionals
  • Board Member Maryland State Department of Health and Mental Hygiene Sub Committee of Commercial Pool Standards
  • Board Member Baltimore County Department of Health and Mental Hygiene Sub Committee of Commercial Pool Standards


  • APSP Certified Service Technicians
  • Red Cross Certified
  • SCUBA Certified
  • Certified Pool Operator


  • General Contractor MHIC #10595
  • Certified Structural Engineer #11658
  • Registered Master Plumber/Gas Fitter
  • State of Maryland #17783