Updated: Jun 26, 2026
Location and Projects
Address
9121 Simms Ave, Parkville, MD, 21234
Use our bidding system to
request a quote
David W. Arnold Electrician
David W. Arnold, 9121 Simms Ave, Parkville, MD (Employee: Allen H Mushinsky) holds a Electricians license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 105 ranks in the top 8% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring David W. Arnold, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
David W. Arnold Contact Information
Phone Number: (443) 253-7201
Address: 9121 Simms Ave, Parkville, MD 21234
David W. Arnold Parkville
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
David W. Arnold has a BuildZoom score of 105, which places them above 92% of 58,058 contractors in Maryland.
Activity
|
21 projects
|
2025 |
|
5 projects
|
2024 |
Our building permit records indicate that David W. Arnold has worked on at least
26.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
26 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that David W. Arnold mostly works on
electrical project
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Rough in outlets switches and lighting to code at new rear addition. rewire existing kitchen. bring smoke/co2 detectors up to code. install 90 amp sub-panel at new addition. install circuit and disconnect for mini-split unit
Valuation:
N/A
Permit #:
E02413240
Status:
filed
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Disconnect existing hvac equipment and repurposing those circuits for new mini ductless systems(one on left side & one on right side of the home) and a geothermal heat pump located in the basement
Valuation:
N/A
Permit #:
E02409814
Status:
complete
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Deleting an existing 2 pole 60 amp circuit that use to feed a 10 kw heat strip & air handler with a 1 single pole 15 amp circuit to power new gas furnace. work to be preformed in the basement
Valuation:
N/A
Permit #:
E02410261
Status:
complete
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Install 100 amp sub-panel for new addition. rough wire for new laundry area (basement level) kitchen (lower level) walk-in closet (upper level) and new elevator
Valuation:
N/A
Permit #:
E02412633
Status:
complete
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Increase service to 150 amps. rough wire and installation of 60 devices/fixtures. install 13 new circuits. interconnected smoke/co2 detectors as per code
Valuation:
N/A
Permit #:
BRCM-25-002984
Status:
expired
Fee:
$176
Permit Type:
Interior trades only
Building Type:
N/A
Increase service to 150 amps. rewire an existing single family dwelling to code. install up to 14 new circuits 60 fixtures and smoke/co2 as per code
Valuation:
N/A
Permit #:
BRCM-25-005700
Status:
complete
Fee:
$182
Permit Type:
Interior trades only
Building Type:
N/A
Upgrade service to 150 amps. rough wire and installation of 65 devices/fixtures. install 13 new circuits. install interconnected smoke/co2's as per code
Valuation:
N/A
Permit #:
BRCM-25-002979
Status:
expired
Fee:
$176
Permit Type:
Interior trades only
Building Type:
N/A
Install (2) 240v circuits (1) to feed geothermal auxiliary heat package & (1) circuit for new steam humidifier
Valuation:
N/A
Permit #:
E25001758
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replace line side 100-amp service cable. install surge protector at existing panel as per code. update all grounds to existing 100-amp service as per code
Valuation:
N/A
Permit #:
BRCM-25-017103
Status:
complete
Fee:
$52
Permit Type:
Interior trades only
Building Type:
N/A
Install new 7-series geothermal heat pump water heater and all needed electrical circuits ( 4 - 2pole )
Valuation:
N/A
Permit #:
BRCM-25-006829
Status:
complete
Fee:
$104
Permit Type:
Interior trades only
Building Type:
N/A
Residential electrical addition alteration permit
2024-08-01
Install (1) dedicated 30 amp & (1) 20 amp circuits & disconnect switches for elevator equipment; install switch light & receptacle in machine room; install phone line from interface to machine room
Valuation:
N/A
Permit #:
E24004352
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Rewire the kitchen damaged by fire. lighting power and two kitchen panels. hvac connections
Valuation:
N/A
Permit #:
E02410988
Status:
filed
Fee:
$371
Permit Type:
N/A
Building Type:
N/A
Residential electrical addition alteration permit
2024-06-17
Rough wire for new addition including breakfast room great room, & bathroom; install interconnected smoke detectors as per code; total of (35) devices
Valuation:
N/A
Permit #:
E24003325
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Installation of 2 - 60 amp 240v circuits - heat strips 1 - 50 amp 240v circuits - compressor 1 - 30 amp 240 v circuit - heat strip 1 - 40 amp 240 v
Valuation:
N/A
Permit #:
202203669
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Rough in new kitchenette. install alter up to 6 circuits. demolish relocate existing outlets
Valuation:
N/A
Permit #:
BRCM-25-012007
Status:
complete
Fee:
$90
Permit Type:
Interior trades only
Building Type:
N/A
Install new 240v circuit to feed geothermal compressor and re-use existing circuits to power 15 kw heat package
Valuation:
N/A
Permit #:
E02408634
Status:
complete
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Residential electrical addition alteration permit
2020-02-24
Single family dwelling (addition) - 60 amp subpanel; 15 led lights 15 receptacles 9 switches 2 appliances 2 smoke detectors air conditioner & cable jack 443253720 b19003509
Valuation:
N/A
Permit #:
E20000901
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Install exterior gfci outlet on a switch at front of home
Valuation:
$400
Permit #:
BRCM-25-019853
Status:
complete
Fee:
$52
Permit Type:
Trade work only
Building Type:
N/A
Residential electrical addition alteration permit
2024-08-16
Install customer's ev charger in attached garage between the 2 overhead doors
Valuation:
N/A
Permit #:
E24004689
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Installing wiring for geothermal heat pump (water furnace model nvv036 36k btu). to install one 40amp circuit and one 60amp circuit. interior work only. 443253720
Valuation:
N/A
Permit #:
E19000541
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
David W. Arnold Reviews
BuildZoom hasn't received any reviews for David W. Arnold. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
David W. Arnold License info
Verified License
| License # | 10229 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for David W. Arnold 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 # | 3317 |
| Status | Active |
| City | Annapolis |
| Type | Electrical Cont, Master |
- BuildZoom has not verified this license since March, 2017.
Verify this license's status for David W. Arnold at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-3317 |
| Status | Inactive |
| City | Annapolis |
| Type | Electrical 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.
Check this license's status for David W. Arnold at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Frederick Mutual |
233
Permits
- Building permit records show that David W. Arnold has worked on 233 permitted projects.
David W. Arnold Employees
AM
Allen H Mushinsky
Owner
DA
David W. Arnold
Owner