Updated: Dec 31, 2025
Location and Projects
Address
193 CHARLES ST, Stoneham, MA, 02180
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Johnny A Diaz Plumber
Their BuildZoom score of 108 ranks in the top 5% of 139,240 Massachusetts licensed contractors.
If you are thinking of hiring Johnny A Diaz, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Johnny A Diaz Services
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Johnny A Diaz Contact Information
Phone Number: (781) 786-1800
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Address: 193 CHARLES ST, Stoneham, MA 02180
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Johnny A Diaz Stoneham
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Johnny A Diaz has a BuildZoom score of 108, which places them above 95% of 139,240 contractors in Massachusetts.
Activity
|
17 projects
|
2025 |
|
49 projects
|
2024 |
|
44 projects
|
2023 |
Our building permit records indicate that Johnny A Diaz has worked on at least
110.0 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
|
4 projects
|
New Constructions |
|
107 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Johnny A Diaz mostly works on
plumbing project
and new construction
projects.
Pricing
|
39 projects
|
< $5k |
|
35 projects
|
$5k-$20k |
|
10 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $5,000. 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) kitchen sink floor 1; (1) dishwasher floor 1; (1) food disposer floor 1; (1) washing machine connection floor 1; new plumbing for a kitchen sink and a washer machine connection
Valuation:
N/A
Permit #:
BLDP250203
Status:
complete
Fee:
$68
Permit Type:
N/A
Building Type:
N/A
New plumbing for 2 half bathrooms 2 mop sinks dipper well soda/ice dispenser prep sink beverage table glass washer ice machine 2 hand sinks glass storage ice bin under bar sink 3bay sink dishwasher floor drain 8 floor sinks and a back flow preventer
Valuation:
$30,000
Permit #:
PL1612708
Status:
filed
Fee:
$430
Permit Type:
N/A
Building Type:
Commercial
(1) kitchen sink floor 1; (1) dishwasher floor 1; (1) food disposer floor 1; (1) washing machine connection floor 1; (3) lavatory floor 1; (1) bathtub floor 1; (1) shower stall floor 1; (2) toilet floor 1; new plumbing for 2 full bathrooms kitchen sink and washer machine connection
Valuation:
N/A
Permit #:
BLDP241081
Status:
issued
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
New plumbing for 6 bathrooms 3 kitchen sinks 3 washer machine connections and 5 electric hot water heaters
Valuation:
$40,000
Permit #:
PP-2025-000329
Status:
issued
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
New plumbing for 2 bathrooms kitchen sink washer machine connection and electric hot water heater
Valuation:
$16,000
Permit #:
P-25-0166
Status:
final
Fee:
$90
Permit Type:
Renovation
Building Type:
N/A
Remodel 1 kitchen sink 1 half bathroom and 1 full bathroom. install new electric hot water heater
Valuation:
$8,000
Permit #:
P-25-0169
Status:
final
Fee:
$90
Permit Type:
Renovation
Building Type:
N/A
638 bennington st new plumbing for a 2 hand sinks a half bathroom a 3bay sink with a grease trap 3bay sink glass washer a prepare sink a floor drain and a tankless water heater
Valuation:
$15,000
Permit #:
PL1561036
Status:
filed
Fee:
$340
Permit Type:
N/A
Building Type:
Commercial
New plumbing for 2 full bathrooms 2 kitchen sinks and 2 washer machine connections
Valuation:
$16,000
Permit #:
PP-2025-1016
Status:
complete
Fee:
$239
Permit Type:
Renovation
Building Type:
N/A
New plumbing for 2 hand sinks vegetable sink prep sink dishwasher back flow preventer glass washer mop sink coffee station ice bin lavatory and toilet
Valuation:
$15,000
Permit #:
PL1634179
Status:
filed
Fee:
$75
Permit Type:
N/A
Building Type:
Commercial
Install 2 stock pot range 2 fryers a 6 burner range 3 gas griddles a char broiler a salamander gas grill vertical broiler 2 make up air
Valuation:
$30,000
Permit #:
G1612719
Status:
filed
Fee:
$103
Permit Type:
N/A
Building Type:
Commercial
New plumbing for 3 full bathrooms 3 half bathrooms 3 kitchen sinks 3 washer machine connections and 3 electric hot water heaters
Valuation:
$25,000
Permit #:
PL1587746
Status:
filed
Fee:
$420
Permit Type:
N/A
Building Type:
1-3fam
-new plumbing for 3 bathrooms and 2 washer machine connections. -install 3 tubs and 3 shower valves. -replace fixtures only for 3 bathrooms and 3 kitchen sinks
Valuation:
$6,000
Permit #:
PL1386119
Status:
filed
Fee:
$135
Permit Type:
N/A
Building Type:
1-3fam
New plumbing for 2 bathrooms and kitchen sink
Valuation:
$12,000
Permit #:
PP-2025-000141
Status:
complete
Fee:
$240
Permit Type:
N/A
Building Type:
N/A
Install a new combination boiler for heat and domestic hot water. install a new back flow preventer for a boiler
Valuation:
$5,000
Permit #:
PL1468487
Status:
complete
Fee:
$30
Permit Type:
N/A
Building Type:
1-2fam
New plumbing for 3 commercial half bathrooms mop sink kitchen sink electric water heater backflow preventer and prv valve
Valuation:
$12,000
Permit #:
PP-2024-000853
Status:
issued
Fee:
$240
Permit Type:
N/A
Building Type:
N/A
New plumbing for 6 bathrooms 3 kitchen sinks 3 washer machine connections and 3 power vent water heaters
Valuation:
$40,000
Permit #:
PL1648753
Status:
filed
Fee:
$165
Permit Type:
N/A
Building Type:
1-3fam
Install 3 gas stoves and 3 gas fireplaces
Valuation:
$6,000
Permit #:
GP-2025-000198
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
(1) lavatory floor bsm; (1) shower stall floor bsm; (1) toilet floor bsm; new plumbing for a full bathroom in the basement
Valuation:
N/A
Permit #:
BLDP241078
Status:
issued
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
New plumbing for 3 washer machine connections 2 kitchen sinks 2 lavatories replace 2 shower valves and replace 2 toilets
Valuation:
$1,000
Permit #:
PP-2024-000773
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
New plumbing for 4 bathrooms 2 kitchen sinks 2 washer machine connections and 2 electric hot water heaters
Valuation:
$25,000
Permit #:
P-24-86
Status:
issued
Fee:
N/A
Permit Type:
Residential renov...
Building Type:
Two family
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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Projects
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Johnny A Diaz License info
License Not Verified
| License # | 16872 |
| Status | Active |
| State | Massachusetts |
| Type | Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Johnny A Diaz with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 31328 |
| Status | Inactive |
| City | Newton |
| Type | Plumbing Contractor |
- According to the City of Newton Massachusetts, 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 Johnny A Diaz at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 31328 |
| Status | Inactive |
| City | Newton |
| Type | Heater Contractor |
- According to the City of Newton Massachusetts, 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 Johnny A Diaz at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
336
Permits
- Building permit records show that Johnny A Diaz has worked on 336 permitted projects.
Johnny A Diaz Employees
JD
Johnny A Diaz
Owner