Updated: Apr 06, 2026
Location and Projects
Address
418 S. Stone Ridge Drive, Lansdale, PA, 19446
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Williamson Electric
Williamson Electric, 418 S Stone Ridge Dr, Lansdale, PA (Owned by: George Williamson) holds a license and 4 other licenses according to the Pennsylvania license board.
Their BuildZoom score of 94 ranks in the top 24% of 125,106 Pennsylvania licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Williamson Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Williamson Electric Contact Information
Phone Number: (717) 761-1848
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Address: 418 S. Stone Ridge Drive, Lansdale, PA 19446
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Williamson Electric Lansdale
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Williamson Electric has a BuildZoom score of 94, which places them above 76% of 125,106 contractors in Pennsylvania.
Activity
|
1 project
|
2026 |
|
4 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Williamson Electric has worked on at least
6.0 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
|
6 projects
|
Home Additions |
|
6 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Williamson Electric mostly works on
electrical project
and home addition
projects.
Pricing
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $13,687. This graph shows the distribution of these job values.
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.
1- remove the existing 100 amp over service equipment including the basement panels (2) and replace with all 200 amp listed equipment along the below qualifying list. 2- new service panels to be relocated to the right side the back basement door an interior wall. - service cable drop (2) - service meter cabinet - 200 amp weather rated disconnect switch - 200 amp 40 circuit electrical ... see more
Valuation:
$6,750
Permit #:
EP-2025-004633
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Replace all the knob and tube wiring with romex for all the existing outlets switching and lighting throughout the house. remove the existing 100 amp service and replace with a 200 amp service. excludes existing hvac systems wiring
Valuation:
$24,652
Permit #:
EP-2024-007828
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Replace knob and tube wiring with a new grounded romex new fixtures devices and circuit breakers install a new 200amp meter and panel as per code
Valuation:
$24,000
Permit #:
EP-2021-009924
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Install 200amp service relocate from front of house to side of house remove all existing existing knob and tube wiring and circuits rewire as pe r2008 nec (cc district)
Valuation:
$6,000
Permit #:
554756
Status:
complete
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
1-replace light fixtures 2-add new circuits for new outlets and equipment as per attached drawings as per 2017 nec (norht dist)
Valuation:
N/A
Permit #:
989115
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wire and install a 3 phase 200amp sub panel to the 2nd floor green house classroom as per 2008 nec (north district)
Valuation:
N/A
Permit #:
898773
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wire and install two 24watt led path light fixtures. wire and install two 24 watt led parking lot poles/fixtures @ 10. wire and install one 100amp single phase meter and weather rated panel for the above lighting per 2008 nec (house of worship)north district
Valuation:
N/A
Permit #:
677159
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wire and install 4 new counter top outlets, 2 circuits, 1 microwave outlet and circuits, 1 dishwasher outlet and circuit, 1 ceiling light and switch, 3 under cabinet lights and switch per 2008 nec (sfd)north district
Valuation:
N/A
Permit #:
721275
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
P22100072
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wire and install new emergency light fixtures fishing of new wiring & install new surface mounted conduits in order to addition new new lights fixtures as per nec 2008 north district
Valuation:
N/A
Permit #:
785142
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wire & install & relocate electrical line outlets & switches addition hi-hats lighting reconnect dishwasher & garbage disposal in kitchen wire & install new switch outlet light & exhaust fan in powder room as per nec 2008 (sfd)
Valuation:
N/A
Permit #:
497812
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing fire alarm system with 1-fire alarm control panel, 2-manual pull stations, 4-smokes, 1-strobe, 2-horn/strobes, 1-relay and new fire plenum wire as per nfpa72
Valuation:
N/A
Permit #:
864247
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 remote emergency head at side door 1 combo exit & emergency light at side door 1 combo exit & emergency light in boys locker room 1 emergency light at exterior entrance door per 2008 nec ( school)
Valuation:
N/A
Permit #:
446075
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen-rewired kitchen outlets lights & switches replaced knob & tube wiring, powder rm-wire & install new light switch gfic outlet exhaust fan & circuit as per 2008 nec(duplex)
Valuation:
N/A
Permit #:
423931
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing knob and tube wiring with romex. fishing new wire. replace 100amp breaker with new 100amp main breaker panel as per 2008 nec
Valuation:
N/A
Permit #:
958644
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition additional smoke alams and strobes only to an existing system as per nfpa 72
Valuation:
N/A
Permit #:
808295
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
36 remote heads for the exterior entrance and exit doors 4 exit and emergency combination light fixtures 1 emergency light in basement per 2008 nec (commercial)
Valuation:
N/A
Permit #:
446076
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new fire alarm equipment as per nfpa 72 north district
Valuation:
N/A
Permit #:
784491
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 100a panel with new rewire throughout replace outlets switches lights and addition 2 battery backup hard wired smokes as per 2008 nec(sfd)(north dist)
Valuation:
N/A
Permit #:
401817
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace knob & tub wiring in attic as per nec 2008 (sfd) north district
Valuation:
N/A
Permit #:
583037
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Williamson Electric Reviews
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Verified License
BuildZoom confirmed this contractor's license
Williamson Electric License info
Verified License
| HIC # | PA055551 |
| Status | Active |
| State | Pennsylvania |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for Williamson Electric at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | PA055763 |
| Status | Active |
| State | Pennsylvania |
| Type | Residential Electrical Service - Semi-Retired Electrician, Reasonable Rates - Wiring, Rewiring, Service Upgrades, Ceiling Fans, Electric Heat, Tv Cable, Phone, Etc. Small Jobs Welcome. |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Williamson Electric with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | PA055551 |
| Status | Active |
| State | Pennsylvania |
| Type | Small Electricial Contractor Providing Residentrial Repairs, New Lighting, Outlets And The Same For Commerical. |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Williamson Electric with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | PA055763 |
| Status | Inactive |
| State | Pennsylvania |
- According to the Pennsylvania Office of the Attorney General, 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 Williamson Electric at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | 37875 |
| Status | Inactive |
| City | Philadelphia |
| Type | Electrical Contractor |
- According to the City of Philadelphia Licensed Contractors, 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 Williamson Electric at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Westfield Insurance Group |
| Insured up to | $1,000,000 |
27
Permits
- Building permit records show that Williamson Electric has worked on 27 permitted projects.
Williamson Electric Employees
GW
George Williamson
Owner
RW
Robert B. Williamson
Owner
WI
Williamson Electric Inc