St. Mary's County, Maryland · septic · last verified 2026-09-07
00867
Larry Hills & Sons Excavating
Larry Hills & Sons Excavating Inc
File
- Street
- 20531 Point Lookout Road
- City / town
- Great Mills
- County
- St. Mary's
- State
- MD
- ZIP
- 20634
- Phone
- 301-994-9700
- Website
- —
- License number
- 00867
- Board
- Maryland Department of the Environment / MD State Board of On-Site Wastewater Professionals (OSDS Registered Individuals); St. Mary's County Health Department Environmental Health Division (county septic contractor license required — county installer/scavenger street roster not published online)
- Status
- Named with a St. Mary's County street on the MDE On-Site Wastewater Professionals / OSDS Registered Individuals list (List Updated September 2, 2026; pdfinfo CreationDate/ModDate Wed Sep 2 2026 UTC). Registration number printed on that roster. St. Mary's County also requires a county septic contractor license (SOP Jan 8, 2019 / updated through Jan 30, 2025; annual renewal on state fiscal year) and MDE registration for onsite wastewater services; Perc Test FAQs and Bay Restoration Fund pages state the licensed-contractor list is available upon request (301-475-4321 / [email protected]) and do not publish a fetchable street roster online this pass — county scavenger/installer numbers are not invented. Seeded rows claim septic_install from the printed MDE registration; county scavenger (pumping) numbers are not invented.
- Expires
- 2026-12-31
- License contact
- Mark C. Bowes
- Last verified
- 2026-09-07
- COI on file
- no
Services claimed from opened sources
- septic install (septic_install)
Sources opened
- https://mde.maryland.gov/programs/water/BayRestorationFund/OnsiteDisposalSystems/Documents/Onsite%20Systems/OSDS-Registered-Individuals.pdf
- https://smchd.org/environmental/on-site-septic-systems/
- https://smchd.org/wp-content/uploads/Septic-Contractor-Requirements.docx.pdf
- https://smchd.org/wp-content/uploads/Perc-Test-FAQs.docx.pdf
- https://smchd.org/environmental/bay-restoration-fund/
File notes
MDE OSDS Registered Individuals (List Updated September 2, 2026): registration 00867, Bowes Mark C, 20531 Pt. Lookout Rd, Great Mills MD 20634, [email protected], 301-994-9700, Larry Hills & Sons Excavating Inc; expires 12/31/2026. Related roster rows 01922 Quade III Benjamin F (Larry Hills and Sons Excavating, Inc.) and 01841 Scott Matthew J (Larry Hils & Sons Excavating, Inc. — roster spelling) at same Point Lookout Road street. U.S. Census geocoder matched 20531 Point Lookout Road, Great Mills to St. Mary's County ZIP 20634. Street spelling normalized from roster Pt. Lookout Rd → Point Lookout Road.