Septic and Outdoor Plumbing Services
Serving the Annapolis & Bowie, MD Area
After-Hours and Weekend Emergency Services
Two-Year Labor Warranty
Same-Day Estimates
Finance Options
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Expert Septic and Outdoor Plumbing Solutions
Outdoor plumbing and septic-connected systems deal with conditions that indoor plumbing never sees — ground movement, root intrusion, freeze-thaw cycles, saltwater exposure, and materials that have been in the ground for decades. When something fails outside the house — a leaking supply line, a compromised waterfront line, or aging polybutylene pipe — the fix usually involves excavation, specialized materials, and a plumber who's done this work before.
James A. Douglas Plumbing provides septic and outdoor plumbing services for homeowners across the Greater Annapolis-Bowie area. That includes outdoor plumbing leak and line repair, pier and dock water line installation for waterfront properties, and polybutylene pipe replacement for homes still running on pipe material that's known to fail. We're licensed by the State of Maryland and back our labor with a two-year warranty. Contact us today!
Why Choose James A. Douglas Plumbing & Gas Fitting
After-Hours and Weekend Emergency Services
One-Year Labor Warranty
Financing Available
Over 17 Years of Experience
Same-Day Availability for Urgent Matters
Same-Day Estimates May Be Available

Why Choose James A. Douglas for Septic & Outdoor Plumbing
After-Hours and Weekend Emergency Services
Two-Year Labor Warranty
Financing Available
Over 17 Years of Experience
Same-Day Availability for Urgent Matters
Same-Day Estimates May Be Available
Military/First Responder Discounts

Outdoor Plumbing Leak and Line Repair
Buried supply lines, irrigation connections, outdoor faucets, and underground pipe runs are all exposed to conditions that cause leaks and failures over time. Ground shifting, root intrusion, corrosion, and freeze damage are the usual culprits. James A. Douglas Plumbing locates and repairs outdoor plumbing leaks and damaged lines, including excavation and replacement when a repair isn't enough.
Pier and Dock Water Line Installation
Waterfront properties in the Annapolis-Bowie area often need water lines run to piers, docks, and boathouses — and that means working with materials and methods built to handle marine exposure, tidal conditions, and local code requirements. James A. Douglas Plumbing installs pier and dock water lines using marine-grade materials designed to hold up in waterfront environments.
Polybutylene Pipe Replacement
Polybutylene piping was installed in millions of homes from the late 1970s through the mid-1990s, and it's known to deteriorate from the inside out — often failing without warning. If your home was built during that era and still has gray, blue, or black poly pipe in the walls or underground, replacement isn't a matter of if but when. James A. Douglas Plumbing replaces polybutylene pipe with modern, code-compliant materials throughout the home.
Senior Discount
Military/First Responder Discount
Contact us today for your military/first responder discount!
Here's what our satisfied customers are saying...
At James A. Douglas Plumbing & Gas Fitting LLC, we take pride in providing exceptional plumbing services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of James A. Douglas Plumbing & Gas Fitting LLC and let others know what you think.
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Senior Discount
Military/First Responder Discount
Contact us today for your military/first responder discount!
Recent Septic and Outdoor Plumbing Projects






