Updated: Jun 26, 2026
Location and Projects
Headquarters Address
Shrewsbury, PA, 17361
Local address
Elkton, MD, 21921
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Christopher A. Coster Electrician
Christopher A. Coster, Elkton, MD (Employees: Dennis M. Waganer and Dennis Michael Waganer) holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 92 ranks in the top 32% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Christopher A. Coster, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Christopher A. Coster Contact Information
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Building Permits by Christopher A. Coster
This is a sample of this contractor's permits. Click here to access their complete permit history.
Lighting & receptacles in pole building (bp <span style="background-color: rgb(229 229 229);">construction of pole barn (used as detached g
Valuation:
N/A
Permit #:
202100121
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Wire new detached garage mini split system. 100 amp subpanel. no low voltage at this time (bp=construction of detached garage with workshop & (1)
Valuation:
N/A
Permit #:
202041682
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Wire new home no low voltage at this time (construction of single family dwelling with unfinished basement with (2) bedrms (3) full bathrms & (1)
Valuation:
N/A
Permit #:
202041681
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
26x38 detached garage with 2nd floor storage/personal use only/no commercial use/no commercial vehicles or equipment
Valuation:
$63,379
Permit #:
ER-007905-2018
Status:
issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
N/A
Wire new inground swimming pool b23000277
Valuation:
N/A
Permit #:
E23000959
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
21x42 inground concrete pool with 4 fence per code/paver deck
Valuation:
$80,000
Permit #:
ER-001922-2018
Status:
Issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
N/A
Installing disconnect for air conditioning unit
Valuation:
N/A
Permit #:
202203401
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Sunroom addition 18x20 with attached 8x16 deck with 4x4 landing
Valuation:
$60,000
Permit #:
ER-017277-2016
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Replace damaged load cables on service at bel air veterinary hospital
Valuation:
N/A
Permit #:
EC-006538-2018
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Remove existing deck and replace with sunroom
Valuation:
$45,000
Permit #:
ER-004610-2018
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Finished basement: rec room powder room laundry room
Valuation:
$35,000
Permit #:
ER-001921-2018
Status:
Issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Wire lights for deck with steps
Valuation:
$24,800
Permit #:
ER-012619-2017
Status:
complete
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
200 amp service upgrade
Valuation:
N/A
Permit #:
202100122
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Install one pole base
Valuation:
N/A
Permit #:
EC-005177-2018
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
41x31 inground pool
Valuation:
$47,256
Permit #:
BP-18-0481A
Status:
issued
Fee:
$325
Permit Type:
N/A
Building Type:
N/A
New service and wiring for 1 story addition with sitting room/relocated bedroom/full bath/laundry/unfinished basement shall not be used as a second dwelling/apartment
Valuation:
$200,000
Permit #:
ER-016119-2016
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
21x42 inground concrete pool with 4 fence per code/paver deck
Valuation:
$80,000
Permit #:
ER-001922-2018
Status:
issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
N/A
Amended off low voltage- homeowner was issued a homeowner permit-single family dwelling with 2 car garage/unfinished basement/14x6 front porch/27x12 rear wood porch
Valuation:
$310,000
Permit #:
ER-015039-2017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel/beam replacement/new exterior door/wing wall removal
Valuation:
$45,300
Permit #:
ER-004029-2017
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Finished basement: rec room, powder room, laundry room
Valuation:
$35,000
Permit #:
ER-001921-2018
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
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Verified License
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Christopher A. Coster License info
Verified License
| License # | 62271 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Christopher A. Coster 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 # | 7849 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Christopher A. Coster 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 # | 72400 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Christopher A. Coster at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
39
Permits
- Building permit records show that Christopher A. Coster has worked on 39 permitted projects.
Christopher A. Coster Employees
CC
Christopher A. Coster
Owner
DW
Dennis M. Waganer
Owner
DW
Dennis Michael Waganer
Owner