Anne Arundel County · Annapolis, MD
Plumbers in Annapolis, MD
Annapolis is in Anne Arundel County, Maryland. About 95,000 people live in the 8 ZIP codes we cover here, in roughly 43,000 homes, 52% of them single-family detached houses. The biggest share of the housing was built between 1980 and 1999 (34%), and that age decides most of what goes wrong with the plumbing.
- Same-day service when a plumber is available
- 8 ZIP codes covered
ZIP codes we cover in Annapolis
21401, 21402, 21403, 21404, 21405, 21409, 21411, 21412
Annapolis homes and their plumbing
Here is how Annapolis's homes break down by year built, based on Census estimates for the covered ZIP codes: before 1940 9%, 1940–1959 10%, 1960–1979 28%, 1980–1999 34%, 2000 or later 19%. Most homes are old enough that original pipe, valves and water heaters are wearing out, but young enough that full repipes are a case-by-case call.
| Year built | Share of homes |
|---|---|
| Before 1940 | 9% |
| 1940–1959 | 10% |
| 1960–1979 | 28% |
| 1980–1999 | 34% |
| 2000 or later | 19% |
Share of housing units in the covered ZIP codes. Census ACS 2023 5-year estimates.
- Residents in covered ZIPs
- 94,866
- Housing units
- 43,050
- Single-family detached
- 52%
- Owner-occupied
- 70%
- Heated with utility gas
- 33%
- Heated with electricity
- 54%
- Heated with fuel oil
- 8%
What goes wrong in Annapolis homes
1980s and 90s construction and polybutylene
34% of homes were built between 1980 and 1999. Polybutylene supply pipe was installed widely in US homes from about 1978 to 1995, so houses from these years are worth checking for gray plastic pipe stamped PB2110, usually visible at the water heater or under sinks. Insurers and buyers often ask about it. See polybutylene replacement.
Oil-heated homes
8% of occupied homes here heat with fuel oil, far above the national norm. Many of them make hot water with a tankless coil inside the boiler, which runs the boiler all summer. Plumbers often replace the coil with an indirect tank or a standalone water heater when the boiler is serviced or replaced.
Winter freezes
47% of homes here were built before 1980, when pipes were more often run through exterior walls and uninsulated crawl spaces. In a cold Maryland winter those are the lines that freeze and split. See frozen and burst pipe repair.
Common calls in Annapolis
- Polybutylene Pipe Replacement
- Water Heater Replacement
- Frozen & Burst Pipe Repair in Annapolis, MD
- Drain Cleaning
- Main Water Line Repair
- Sewer Line Repair
Also available in Annapolis: emergency plumbing and every plumbing service.
Annapolis at a glance
- County
- Anne Arundel County
- ZIP codes
- 21401, 21402, 21403, 21404, 21405, 21409, 21411, 21412
Annapolis plumbing FAQ
How old are the homes in Annapolis?
In the ZIP codes we cover around Annapolis, Census estimates put 20% of homes as built before 1960, 28% from 1960 to 1979, 34% from 1980 to 1999 and 19% in 2000 or later. The largest group is 1980–1999 (34%).
Who licenses plumbers in Annapolis, MD?
The Maryland State Board of Plumbing licenses plumbers and gas fitters; check a license through the Maryland Department of Labor.
Are water heaters in Annapolis usually gas or electric?
Census data for the area show 33% of homes heating with utility gas, 54% with electricity, 8% with fuel oil. Water heaters often use the same fuel as the home's heat, so electricity is the most common here, but check the label on your tank before you shop for a replacement.
Guides for Annapolis homeowners
Nearby areas
Also covered nearby: Edgewater (4 mi), Arnold (5 mi), Davidsonville (5 mi), Mayo (5 mi), Riva (5 mi), Crownsville (6 mi), Severna Park (9 mi), Shady Side (10 mi).
Housing, heating and population figures are US Census Bureau American Community Survey 2023 5-year estimates for the ZIP code areas we cover in Annapolis, so they may include neighboring communities that share those ZIP codes.
Need a plumber in Annapolis?
Same-day service when a plumber is available. One call connects you with a licensed plumber who serves your ZIP.