Updated: Nov 11, 2025
Location and Projects
Address
Rowley, MA, 01969
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Gregory K. Maffeisr Plumber
Gregory K. Maffeisr, Rowley, MA (Employee: Gregory K. Maffeisr.) holds a Sheet Metal license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 95 ranks in the top 22% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gregory K. Maffeisr, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gregory K. Maffeisr Services
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Gregory K. Maffeisr Contact Information
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Gregory K. Maffeisr Rowley
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gregory K. Maffeisr has a BuildZoom score of 95, which places them above 78% of 139,240 contractors in Massachusetts.
Activity
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Gregory K. Maffeisr has worked on at least
5.0 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
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Gregory K. Maffeisr mostly works on
plumbing project
projects.
Pricing
|
4 projects
|
< $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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Water heater fourth floor
Valuation:
N/A
Permit #:
PLUMB22-00055
Status:
issued
Fee:
$65
Permit Type:
Install new
Building Type:
N/A
Replace gas water heater
Valuation:
$2,000
Permit #:
G-24-271
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install customer supplied water heater
Valuation:
$2,000
Permit #:
PLUMB23-00493
Status:
issued
Fee:
$65
Permit Type:
Replacement
Building Type:
N/A
Install cook stove dryer
Valuation:
N/A
Permit #:
GAS21-00097
Status:
issued
Fee:
$65
Permit Type:
Alteration
Building Type:
N/A
Replace water heater
Valuation:
$2,000
Permit #:
PL-24-379
Status:
issued
Fee:
N/A
Permit Type:
New work
Building Type:
N/A
Replace 3 boilers and waterheaters plumbing to 2 kitchens and laundry connections
Valuation:
$30,000
Permit #:
PLUMB21-00796
Status:
final
Fee:
$130
Permit Type:
plumbing/gas repl...
Building Type:
N/A
Replacement of water heater
Valuation:
$3,000
Permit #:
G-23-100
Status:
issued
Fee:
N/A
Permit Type:
Replacement - exi...
Building Type:
Residential
Replace hot water tank
Valuation:
$3,000
Permit #:
P-23-95
Status:
issued
Fee:
N/A
Permit Type:
Replacement - exi...
Building Type:
Residential
Install 3 replacement heating systems 2 new gas stove replacements
Valuation:
N/A
Permit #:
GAS21-00728
Status:
final
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
N/A
Install replacement water heater & cross connection device in basement
Valuation:
N/A
Permit #:
P-18-476
Status:
complete
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
Replace electric water heater
Valuation:
$1,000
Permit #:
PLUMB22-00709
Status:
issued
Fee:
$65
Permit Type:
Install new
Building Type:
N/A
Gas furnace replacement
Valuation:
$8,000
Permit #:
G-19-64
Status:
issued
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
40 gallon natural gas water heater replacement
Valuation:
$1,727
Permit #:
G-18-129
Status:
issued
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
Replacing gas boiler
Valuation:
$26,087
Permit #:
P-18-888
Status:
complete
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
Natural gas water heater replacement
Valuation:
$1,727
Permit #:
P-18-139
Status:
issued
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
Cap of gas line
Valuation:
$1,000
Permit #:
G-22-487
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing water heater
Valuation:
$14,858
Permit #:
P-18-637
Status:
complete
Fee:
$65
Permit Type:
plumbing/gas repl...
Building Type:
One or two-family...
Water heater replacement
Valuation:
$1,831
Permit #:
TP-18-525
Status:
filed
Fee:
$15
Permit Type:
Hot water tank
Building Type:
One or two family...
Boiler replacement
Valuation:
$12,767
Permit #:
P-18-456
Status:
issued
Fee:
$50
Permit Type:
plumbing
Building Type:
One & two family
Replacing gas furnace
Valuation:
$9,785
Permit #:
G-18-216
Status:
issued
Fee:
$50
Permit Type:
Gas
Building Type:
Single family
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Verified License
BuildZoom confirmed this contractor's license
Gregory K. Maffeisr License info
Verified License
| License # | 6822 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Gregory K. Maffeisr at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 10059 |
| Status | Active |
| State | Massachusetts |
| Type | Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2024. Check the current license status of Gregory K. Maffeisr with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 10059 |
| Status | Active |
| State | Massachusetts |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Gregory K. Maffeisr with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 10059 |
| Status | Active |
| State | Massachusetts |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Gregory K. Maffeisr with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 19295 |
| Status | Active |
| State | Massachusetts |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of Gregory K. Maffeisr with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
70
Permits
- Building permit records show that Gregory K. Maffeisr has worked on 70 permitted projects.
Gregory K. Maffeisr Employees
GM
Gregory K. Maffeisr.