Duncans Septic ServiceSeptic service company in Pasadena, MD

Duncans Septic Service is ranked #15 of 65 septic service companies in Pasadena by CR Score, with 57 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Serves Pasadena and 11 towns within 25 miles: Lake Shore, Cape Saint Claire, Riviera Beach, Severna Park, Green Haven, Arnold, South Gate, Annapolis, Parole, Glen Burnie and Edgemere. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

Duncans Septic Service has a rating of 4.7 from 18 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Duncans Septic Service on (410) 647-5608. The business is at 4729 Mountain Rd, Pasadena, MD 21122. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.