Updated: Jun 28, 2026
Location and Projects
Address
Braintree, MA, 02184
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William o'neill Plumber
William o'neill, Braintree, MA holds a license and 1 other license according to the Massachusetts license board.
Their BuildZoom score of 103 ranks in the top 10% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William o'neill, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William o'neill Services
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William o'neill Contact Information
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William o'neill Braintree
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William o'neill has a BuildZoom score of 103, which places them above 90% of 139,240 contractors in Massachusetts.
Activity
|
6 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that William o'neill has worked on at least
16.0 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
|
Home Additions |
|
15 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that William o'neill mostly works on
plumbing project
and home addition
projects.
Pricing
|
13 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
The typical size of their permits is approximately $3,250. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new gas dryer in first floor addition and new gas dryer in second floor of main house; install gas fireplace on first floor living room
Valuation:
$2,000
Permit #:
G1448492
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
1-2fam
Bathroom and kitchen renovation
Valuation:
$15,000
Permit #:
PL1447453
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
1-2fam
Replacement of gas stove
Valuation:
$15,000
Permit #:
G1447452
Status:
filed
Fee:
$25
Permit Type:
N/A
Building Type:
1-2fam
Renovation for second floor bathroom
Valuation:
$2,000
Permit #:
PL1438601
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
1-2fam
Replace heating boiler and install one gas stove
Valuation:
$12,000
Permit #:
G1428125
Status:
complete
Fee:
$34
Permit Type:
N/A
Building Type:
1-2fam
Install gas line for kitchen stove and basement dryer
Valuation:
$1,000
Permit #:
G1655462
Status:
filed
Fee:
$30
Permit Type:
N/A
Building Type:
1-2fam
Install indirect water heater and backflow preventor
Valuation:
$2,000
Permit #:
PL1392889
Status:
complete
Fee:
$30
Permit Type:
N/A
Building Type:
1-2fam
Backflow preventor and tankless water heater
Valuation:
$200
Permit #:
PL1428128
Status:
complete
Fee:
$30
Permit Type:
N/A
Building Type:
1-2fam
Kitchen and bathroom renovation on first floor
Valuation:
$5,000
Permit #:
PL1655461
Status:
filed
Fee:
$50
Permit Type:
N/A
Building Type:
1-2fam
Backflow preventor
Valuation:
$3,000
Permit #:
PL1441512
Status:
complete
Fee:
$25
Permit Type:
N/A
Building Type:
1-2fam
Install two new bathrooms and one laundry in new addition
Valuation:
$18,000
Permit #:
PL1448494
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
1-2fam
Bathroom and laundry renovation on 2nd floor
Valuation:
$3,000
Permit #:
PL1567646
Status:
filed
Fee:
$40
Permit Type:
N/A
Building Type:
1-2fam
Replace gas water heater and retest
Valuation:
$400
Permit #:
G1368394
Status:
filed
Fee:
$30
Permit Type:
N/A
Building Type:
1-2fam
Addition half bathroom to first floor and renovate kitchen
Valuation:
$3,000
Permit #:
PL1543113
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
1-2fam
Gas retest
Valuation:
$500
Permit #:
G1426114
Status:
complete
Fee:
$25
Permit Type:
N/A
Building Type:
Commercial
Installation of new bathroom on 3r
Valuation:
$5,000
Permit #:
PL1561661
Status:
complete
Fee:
$40
Permit Type:
N/A
Building Type:
1-2fam
Replacement of gas water heater
Valuation:
$200
Permit #:
PL1368396
Status:
filed
Fee:
$25
Permit Type:
N/A
Building Type:
1-2fam
Renovate kitchen and addition bathroom to first floor
Valuation:
$4,000
Permit #:
PL1502497
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
1-2fam
Electrical work supporting rear addition repairs previous work from prior owners
Valuation:
$500
Permit #:
E-20-0075
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Renovation for first floor kitchen and half bathroom
Valuation:
$3,700
Permit #:
PL1225863
Status:
filed
Fee:
$50
Permit Type:
N/A
Building Type:
1-2fam
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BZ Score
$5K
Avg Project
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Projects
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BZ Score
$3.3K
Avg Project
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BZ Score
$2K
Avg Project
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Projects
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William o'neill License info
License Not Required
| Status | Not Required |
- BuildZoom verified in July, 2019 that this contractor does not need a license to be a plumber in Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CS-095892 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- According to the Massachusetts Department of 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 William o'neill at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
53
Permits
- Building permit records show that William o'neill has worked on 53 permitted projects.