Updated: Jun 12, 2026
Location and Projects
Address
1353 Valley Road, Philadelphia, PA, 19019
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Gem Mechanical Services Inc Photos
Gem Mechanical Services Inc
Gem Mechanical Services Inc, 1353 Valley Rd, Philadelphia, PA (Employees: Dba Innovative Service Contractors Llc and Mary E. Gaffney) holds a Sheet Metal Technician license and 5 other licenses according to the Philadelphia license board.
Their BuildZoom score of 103 ranks in the top 10% of 125,106 Pennsylvania licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gem Mechanical Services Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gem Mechanical Services Inc Contact Information
Phone Number: (610) 361-9667
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Address: 1353 Valley Road, Philadelphia, PA 19019
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Gem Mechanical Services Inc Philadelphia
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gem Mechanical Services Inc has a BuildZoom score of 103, which places them above 90% of 125,106 contractors in Pennsylvania.
Activity
|
8 projects
|
2025 |
|
3 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Gem Mechanical Services Inc has worked on at least
17.0 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
|
3 projects
|
Home Additions |
|
5 projects
|
Mechanical projects |
|
3 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Gem Mechanical Services Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
8 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $107,250. 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.
Building Permits by Gem Mechanical Services Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical fuel gas permit for combo cp-2024-003581 for the removal of existing hvac appliances and the installation of new appliances throughout renovated bathrooms as per approved plans and in accordance with 2018 imc. separate permits to be obtained for all other work
Valuation:
$200,000
Permit #:
MP-2024-003443
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For minor construction work at the subject property in accordance with all applicable provisions of the philadelphia code all references codes and standards and the attached ez standard where included. deviation from this standard shall result in permit revocation. a separate permit from the philadelphia department of streets is required for any sidewalk and street closures. all means... see more
Valuation:
$340,000
Permit #:
PP-2023-017439
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
For the installation of registers diffusers and appliances. appliances to be installed in accordance with manufacturer's specifications. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits required for all other work
Valuation:
$168,000
Permit #:
MP-2023-005606
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For alterations to an existing hvac system at the 1st and 2nd floors of an existing school to include installation of new appliances grilles registers diffusers exhausts and associated ductwork. all work to be done per approved plans and in accordance with 2018 imc. appliances to be installed in accordance with manufacturer specifications. separate permits to be obtained for all oth... see more
Valuation:
$218,000
Permit #:
MP-2023-003084
Status:
issued
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For alterations to an existing hvac mechanical system to include removal/replacement of rooftop exhaust fans grilles/registers/diffusers and associated ductwork per plans reviewed by the historical commission. (new rooftop exhaust units to be located at the same place.)
Valuation:
$185,000
Permit #:
997074
Status:
complete
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
No Description Available
Valuation:
$569,000
Permit #:
MECH220831
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$59,475
Permit #:
ELET220830
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For the installation of registers diffusers and appliances with associated ductwork for an existing school. appliances to be installed in accordance with manufacturer's specifications. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits required for all other work; see cp-2021-001300 for building permit
Valuation:
$75,000
Permit #:
MP-2021-003844
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
- relocation of existing water heater to new location and install new expansion tank install new domestic cold water feeds to humidifiers according to the 2018 ppc and per plans
Valuation:
$29,700
Permit #:
PP-2024-007247
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
For minor construction work at the subject property in accordance with all applicable provisions of the philadelphia code all references codes and standards and the attached ez standard where included. deviation from this standard shall result in permit revocation. a separate permit from the philadelphia department of streets is required for any sidewalk and street closures. all means... see more
Valuation:
$108,000
Permit #:
PP-2021-003894
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
For the replacement of existing ductwork to an existing mechanical system for an auditorium in an existing education facility. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits to be obtained for all other work
Valuation:
$55,000
Permit #:
MP-2021-001452
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Replace (1) 2-1/2 & (1) 4 backflow device
Valuation:
$106,500
Permit #:
PP-2024-006901
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Replace (1) 2.5 & (1) 4 backflow device
Valuation:
$108,000
Permit #:
PP-2024-006602
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
For the installation of four (4) exhaust fans (4) air conditioning units to an existing science laboratories in existing educational facility as per approved plans. appliances to be installed in accordance with manufacturer's specifications. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permits require... see more
Valuation:
N/A
Permit #:
964428
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
**asbestos abatement to be completed prior to commencement of workscope.** for alteration to an existing hvac mechanical system to include removal & replacement of diffusers & transfer air grilles insulation of hydronic piping and removal & replacement of how water convector
Valuation:
N/A
Permit #:
944338
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (1) 2.5 & (1) 4 backflow device
Valuation:
$95,000
Permit #:
PP-2024-006599
Status:
issued
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Replace (1) 2.5 & (1) 4 backflow device
Valuation:
$96,500
Permit #:
PP-2024-006597
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Replace (1) 2.5 & (1) 4 backflow device
Valuation:
$100,400
Permit #:
PP-2024-006593
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Replace (1) 2-1/2 & (1) 4 backflow device
Valuation:
$82,000
Permit #:
PP-2024-006907
Status:
complete
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Install indirect waste/hub drain nine kitchen sinks and one automatic hot water return assembly according to the 2018 ppc
Valuation:
N/A
Permit #:
PP-2021-010842
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Gem Mechanical Services Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Gem Mechanical Services Inc License info
Verified License
| HIC # | 30636 |
| Status | Active |
| City | Philadelphia |
| Type | Sheet Metal Technician |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gem Mechanical Services Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | 44217 |
| Status | Active |
| City | Philadelphia |
| Type | Plumber |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gem Mechanical Services Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | 29299 |
| Status | Active |
| City | Philadelphia |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gem Mechanical Services Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | PA012309 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Gem Mechanical Services Inc 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 # | 2013101464 |
| Status | Inactive |
| State | New Castle County |
| Type | Non Resident Contractor |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Gem Mechanical Services Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | 13VH07697200 |
| Status | Inactive |
| State | New Jersey |
| Type | Home Improvement Business Contr |
- According to the New Jersey Department of Law & Public Safety, 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 Gem Mechanical Services Inc at the New Jersey Department of Law & Public Safety.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Harleysville Mutual Insurance Company |
| Insured up to | $1,000,000 |
34
Permits
- Building permit records show that Gem Mechanical Services Inc has worked on 34 permitted projects.
Gem Mechanical Services Inc Employees
DL
Dba Innovative Service Contractors Llc
GI
Gem Mechanical Services Inc
MG
Mary E. Gaffney
President
MG
Michael Gaffney
Secretary