Maryland plumbing market report
A snapshot of the plumbing market in Maryland: who's licensed, where they work, climate context, and what homeowners typically pay. All data from official US public sources cited below.
State overview
Maryland has approximately 2,273k households (US Census ACS 2022) and is in a mixed-humid climate zone (DOE/NOAA classification). The state employs roughly 7,270 plumbers, pipefitters, and steamfitters per the BLS Occupational Employment Statistics for code 47-2152, or about 3.2 pros per 1,000 households.
Licensing
Plumbing pros in Maryland are typically regulated by the Maryland Board of Plumbing. Before hiring, verify the contractor's license number, that the license is active and in good standing, and that the licensee is bonded and insured to operate in Maryland. License lookup is typically free at the board's public website.
Top 5 cities by listed pros
- Baltimore — 26 listed
- Silver Spring — 8 listed
- Bethesda — 6 listed
- Columbia — 6 listed
- Rockville — 5 listed
Seasonal demand pattern
Steady year-round with modest winter spike.
Typical cost range in Maryland
Based on national HomeAdvisor and Angi 2024-2026 averages adjusted to Maryland cost-of-living, a typical water heater install/replace in Maryland runs around $1,620. See the full cost calculator suite for service-by-service ranges. Always get a written quote before committing to work.
Find a verified pro in Maryland
Browse our Maryland state hub or jump to a city: Baltimore, Silver Spring, Bethesda.
See all Maryland plumbing pros →Data sources. Employment: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2023 (bls.gov/oes), occupation code 47-2152 (Plumbers, Pipefitters, and Steamfitters). Households: U.S. Census Bureau American Community Survey 2022 1-year estimates (census.gov/acs). Climate zone: U.S. Department of Energy Building America Climate Zones (energy.gov) / NOAA National Centers for Environmental Information (noaa.gov). Licensing: Maryland Board of Plumbing. Cost ranges: HomeAdvisor 2024 True Cost Reports (homeadvisor.com), Angi 2024 cost guides (angi.com). All figures are estimates; verify before relying on for any decision.