Updated: Apr 21, 2026
Location and Projects
Address
Mount Airy, MD, 21771
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Mark Alan Johnson Plumber
Mark Alan Johnson, Mt. Airy, MD holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 93 ranks in the top 27% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Alan Johnson, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Alan Johnson Services
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Mark Alan Johnson Contact Information
Phone Number: (301) 748-9103
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential plumbing addition alteration permit
2023-02-17
Single family dwelling replace existing plumbing & gas fixtures rework pipe and waste - 1-bathtub 1-shower 3-lavs 3-water closets 1-kitchen sink 1-washing machine conn 1-dishwasher 1-laundry tray 1-disposal 2-sill cocks 1 electric water heater **gas** - 1-range 1-gas water heater
Valuation:
N/A
Permit #:
P23000791
Status:
complete
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Tenant fit out in #104b of core building will occupy as auto repair facility; building out of offices and restroom along with shop area. revision-9/5/18-aw-revising to remove shower and addition water fountain core building permit #158172 revision-7/27/2018-aw-submitting new plans per life safety review comments
Valuation:
$50,000
Permit #:
181733
Status:
complete
Fee:
N/A
Permit Type:
Plumbperm
Building Type:
N/A
Residential plumbing addition alteration permit
2020-02-26
Single family dwelling install basement bathroom 1-shower/1-lav/1-water closet/1-bar sink
Valuation:
N/A
Permit #:
P20000823
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2019-05-08
Single family dwelling install basement bathroom on existing ground work 1-bathtub/1-lav/1-water closet
Valuation:
N/A
Permit #:
P19002033
Status:
complete
Fee:
$89
Permit Type:
N/A
Building Type:
N/A
Single family dwelling re-water pipe (1) gas water heater & (1) laundry standpipe
Valuation:
N/A
Permit #:
P19001538
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Plumbing permit
Set fixtures on exisitng ri||basement alteration to include; rec room; wet bar; full bath; office and storage
Valuation:
$10,000
Permit #:
173419
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
No Description Available
Valuation:
N/A
Permit #:
PLR-20-0567
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Change of use- physical therapy rehab 2 perform
Valuation:
$142,020
Permit #:
BP-19-0315A
Status:
issued
Fee:
$1,545
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2020-03-12
[none] - 6 montgomery village ave
Valuation:
N/A
Permit #:
PFG-1289238-2020
Status:
final
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2020-03-10
Inka granite - 9103 gaither rd
Valuation:
N/A
Permit #:
PFG-1292227-2020
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2020-01-13
[none] - 6 montg village ave
Valuation:
N/A
Permit #:
PFG-1282716-2019
Status:
final
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2020-01-13
[none] - 6 montg village ave
Valuation:
N/A
Permit #:
PFG-1282714-2019
Status:
final
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1295124-2020
Status:
final
Fee:
$2,953
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1307922-2020
Status:
final
Fee:
$1,371
Permit Type:
N/A
Building Type:
N/A
Gas cooking appliance
Valuation:
N/A
Permit #:
SFP-1288805-2020
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Strochak - 9201 bulls run pkw
Valuation:
N/A
Permit #:
PFG-1222474-2018
Status:
final
Fee:
$1,109
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1308132-2020
Status:
final
Fee:
$1,212
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1307920-2020
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1289721-2020
Status:
final
Fee:
$1,014
Permit Type:
N/A
Building Type:
N/A
Guthrie - 4423 brookfield dr
Valuation:
N/A
Permit #:
PFG-1210430-2018
Status:
final
Fee:
$293
Permit Type:
N/A
Building Type:
N/A
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120
BZ Score
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Projects
120
BZ Score
$1.5K
Avg Project
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Projects
120
BZ Score
$1.5K
Avg Project
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Projects
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Verified License
BuildZoom confirmed this contractor's license
Mark Alan Johnson License info
Verified License
| License # | 83550 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mark Alan Johnson at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2741 |
| Status | Active |
| City | Annapolis |
| Type | Plumbing Cont, Mpgf |
- When BuildZoom last verified this license, it had an expiration date of January, 2017. Check the current license status of Mark Alan Johnson with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-2741 |
| Status | Inactive |
| City | Annapolis |
| Type | Plumbing Cont |
- According to the The City of Annapolis, MD, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mark Alan Johnson at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Insured
| Insurer | Liberty Mutual |
146
Permits
- Building permit records show that Mark Alan Johnson has worked on 146 permitted projects.
Mark Alan Johnson Employees
MJ
Mark Alan Johnson
Owner