Updated: Apr 22, 2026
Location and Projects
Address
Hagerstown, MD, 21740
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Tristate Plumbing & Heating Inc
Tristate Plumbing & Heating Inc, Hagerstown, MD (Owned by: Douglas Charles Mcallister Ii) holds a Plumbers license and 1 other license according to the Maryland license board.
Their BuildZoom score of 95 ranks in the top 22% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tristate Plumbing & Heating Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Tristate Plumbing & Heating Inc Services
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Tristate Plumbing & Heating Inc Contact Information
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Building Permits by Tristate Plumbing & Heating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace fixtures in 2nd floor bathrooms due to tree falling on house. replaced 2 toilets. 2 lav. sinks. 1 tub & shower unit. 1 shower
Valuation:
N/A
Permit #:
494688
Status:
complete
Fee:
$190
Permit Type:
Plumbperm
Building Type:
N/A
<div>renovate home due to fire damage replacing fixtures gas line waste & vent water pipe.</div>
Valuation:
N/A
Permit #:
473266
Status:
complete
Fee:
$413
Permit Type:
Plumbperm
Building Type:
N/A
Fire damage repair. replace or repair fixtures. relocate water heater<div>
Valuation:
N/A
Permit #:
374903
Status:
complete
Fee:
$302
Permit Type:
Plumbperm
Building Type:
N/A
Restoration work to dwg due to house fire on 9/29/17. no changes to layout; wall replacement between living room and kitchen and in rec room. new drywall w/insulation and flooring throughout. new electrical, plumb.&hvac
Valuation:
$73,358
Permit #:
169831
Status:
Permit Issued
Fee:
$151
Permit Type:
Alteration
Building Type:
Single family dwe...
Replace 40 gallon power vent natural gas water heater
Valuation:
N/A
Permit #:
P-20221396
Status:
complete
Fee:
N/A
Permit Type:
plumbing commercial
Building Type:
N/A
Addition 2nd floor 1/2 bathroom. 1-toilet & 1-lav sink
Valuation:
N/A
Permit #:
P-20211252
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Replace water heater & therm exp tank (electric)
Valuation:
N/A
Permit #:
P-20213375
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water heater & expansion tankl (electric)
Valuation:
N/A
Permit #:
P-20212828
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Disconnect & reconnect fixtures due to fire damage piping for fixtures addition 1st floor bathroom water heater
Valuation:
N/A
Permit #:
P-20192469
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Replace nat gas standard vent water heater
Valuation:
N/A
Permit #:
P-20211061
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel home - 2nd floor bathroom kitchen basement bathroom and basement
Valuation:
N/A
Permit #:
P-20203772
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace nat-gas water heater and install thermal exp. tank exp. tank
Valuation:
N/A
Permit #:
P-20203214
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel: fixtures. install gas line from new meter to new furnace tub/shower
Valuation:
N/A
Permit #:
P-20192519
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Kitchen sink and faucet replacement
Valuation:
N/A
Permit #:
P-20212277
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace electric water heater
Valuation:
N/A
Permit #:
P-20213265
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater kitchen faucet gas stove, dryer/washer hoop up and main valve
Valuation:
N/A
Permit #:
P-20191777
Status:
complete
Fee:
$115
Permit Type:
plumbing residential
Building Type:
N/A
Repair frozen pipes in house. disconnect hot water heat system. replace rear lawn faucet
Valuation:
N/A
Permit #:
P-20191031
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Remodel bathroom washer hook up expansion tank and lawn faucet addition kitchen sink
Valuation:
N/A
Permit #:
P-20190028
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Replace gas water heater kitchen faucet gas stove dryer/washer hoop up and main valve
Valuation:
N/A
Permit #:
P-20191777
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
Addition sink on 2nd floor
Valuation:
N/A
Permit #:
P-20213400
Status:
complete
Fee:
N/A
Permit Type:
plumbing residential
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Tristate Plumbing & Heating Inc License info
Verified License
| License # | 8373 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Tristate Plumbing & Heating Inc at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | WV010499 |
| Status | Active |
| State | West Virginia |
| Type | Plumbing |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Tristate Plumbing & Heating Inc at the West Virginia Contractor Licensing Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
228
Permits
- Building permit records show that Tristate Plumbing & Heating Inc has worked on 228 permitted projects.
Tristate Plumbing & Heating Inc Employees
DI
Douglas Charles Mcallister Ii
Owner