Updated: Apr 01, 2026
Location and Projects
Address
10 WINDSOR VIEW CT., Potomac, MD, 20854
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John Norwood Singleton Electrician
John Norwood Singleton at 10 WINDSOR VIEW CT., Potomac, MD 20854, held a Electrician license (#2302) with the Maryland contractors license board with an expiration date of 06-15-2021. We last verified the license was expired on 03-31-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 58,058 Maryland contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
John Norwood Singleton Contact Information
Phone Number: (301) 258-2600
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Address: 10 WINDSOR VIEW CT., Potomac, MD 20854
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John Norwood Singleton Potomac
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are John Norwood Singleton, click “This is My Business” to update your information.
Activity
|
5 projects
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that John Norwood Singleton has worked on at least
7.0 projects over the past 3 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
|
5 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that John Norwood Singleton mostly works on
electrical project
projects.
Pricing
|
1 project
|
< $5k |
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.
Building Permits by John Norwood Singleton
This is a sample of this contractor's permits. Click here to access their complete permit history.
Electrical permit - commercial
5310 Hawthorne Rd Building 19 Reactor Tanks Nos 1 5 South Blower, Building Unit, La Plata, MD, 20646
2025-01-05
*electrical upgrades only* - building 19: reactor tanks nos. 1-5 south blower building installing (1) new transformer as well as (3) panelboard and (5) disconnects. as well as (94) control circuits and (15) power conduit and associated electric circuitry for each pair of equipment
Valuation:
N/A
Permit #:
ELEC-240040
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical permit - commercial
2025-01-05
*electrical upgrades only* - building 21 primary lane tunnel entrance provide and install (1) ats (2) enclosed circuit breakers and (1) new panelboard. as well as (16) new control circuits as well as (1) new power conduit with associated new electric circuitry for each pair of equipment
Valuation:
N/A
Permit #:
ELEC-240038
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - building 16 secondary pumping station no.1 - installing (41) new control circuits (4) new power conduit relocating (1) mcc-18b and (5) disconnect switches. with associated circuitry for new equipment
Valuation:
N/A
Permit #:
ELEC-240043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - building 9 maintenance building provide and install 3 new panelboards one lv transformer one ats 2 enclosed circuit breakers as well as new electrical circuity for every piece of equipment
Valuation:
N/A
Permit #:
ELEC-240034
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical permit - commercial
2025-01-05
*electrical upgrades only* - building 17: secondary pumping station no. 2 installing (20) new control circuits and (3) new power conduit. with associated new electric circuitry for each pair of equipment
Valuation:
N/A
Permit #:
ELEC-240039
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical permit - commercial
2025-01-05
*electrical upgrades only* - building 14: filter complex. installing new transformer-1 6 30a disconnect switches and new panelboard-1 as well as new conduit and circuitry for associated equipment
Valuation:
N/A
Permit #:
ELEC-240037
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
56 x 11 9 temporary office trailer for electrical contractor for the mattawoman wastewater treatment plant improvements *trailer to be on property for 4 years for the duration of improvements to property*
Valuation:
$2,000
Permit #:
MIC-230065
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* secondary clarifier no. 5 & no. 6 - installing (1) new power conduit and (1) new control circuit. with associated circuitry for new equipment
Valuation:
N/A
Permit #:
ELEC-240049
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - secondary clarifier no. 7 & 8 - installing (1) new power conduit and (1) new control circuit. with associated circuitry for new equipment
Valuation:
N/A
Permit #:
ELEC-240048
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - secondary clarifier no. 1-4 - installing (4) new power conduit and associated circuitry for new equipment
Valuation:
N/A
Permit #:
ELEC-240050
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - building 13: septage receiving building - install new power -2 circuitry - 6 conduit and wire
Valuation:
N/A
Permit #:
ELEC-240036
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hoco water reclamation plant addition & interior alterations to existing chemical handling building 4000 amp service (4) 800 amp & (1) 200 amp subpanels; (2) 13-2kv gear; 130 fire alarm devices 120 lights 102 motors 49 switches 46 receptacles 34 emergency lights 19 exit lights 18 smoke detectors 6 automatic transfer switches 3 pole lights 3 transformers & 2 vav's 3012582600 b18001192
Valuation:
N/A
Permit #:
E19003590
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - building 18: secondary pumping station no. 3
Valuation:
N/A
Permit #:
ELEC-240042
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary power to office trailer. - building permit #:mic-240097
Valuation:
N/A
Permit #:
ELEC-240840
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ho. co water reclamation plant pre-engineered building for temporary class b lime stabilization facilities (capital project #s-6295). wire temporary trailers 80amp service 3012582600 b18000845
Valuation:
N/A
Permit #:
E18001240
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*electrical upgrades only* - building 7 main pumping station - install (2) new panelboards and disconnects as well as new circuitry to associated equipment
Valuation:
N/A
Permit #:
ELEC-232537
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical upgrades only - building 6 panda building - no new devices being installed all existing circuits - 6
Valuation:
N/A
Permit #:
ELEC-232536
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary power to construction trailer/mic-230065
Valuation:
$2,000
Permit #:
ELEC-232099
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Howard county savage wastewater treatment plant digester equipment building (series 320) per capital project #s-6295 install 18 fire alarm devices
Valuation:
N/A
Permit #:
E18001797
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wiring and service to new dwelling
Valuation:
N/A
Permit #:
ELR-21-1220
Status:
approved
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
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John Norwood Singleton Reviews
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John Norwood Singleton License info
Inactive License
| License # | 2302 |
| Status | Inactive |
| State | Maryland |
| Type | Electricians |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 John Norwood Singleton at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are John Norwood Singleton, click “This is My Business” to update your information.
18
Permits
- Building permit records show that John Norwood Singleton has worked on 18 permitted projects.
John Norwood Singleton Employees
JS
John Norwood Singleton
Owner