Updated: Dec 06, 2025
Location and Projects
Address
22 marys lane, Southampton, NY, 11968
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William T Mahoney Plumbing & Heating Architect
William T Mahoney Plumbing & Heating Inc, 22 Marys Ln, Southampton, NY (Owned by: William Mahoney Jr) holds a Architect license and 2 other licenses according to the New York license board.
Their BuildZoom score of 107 ranks in the top 6% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William T Mahoney Plumbing & Heating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William T Mahoney Plumbing & Heating Inc Services
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William T Mahoney Plumbing & Heating Inc Contact Information
Phone Number: (631) 283-2225
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Address: 22 marys lane, Southampton, NY 11968
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William T Mahoney Plumbing & Heating Inc Southampton
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William T Mahoney Plumbing & Heating Inc has a BuildZoom score of 107, which places them above 94% of 77,888 contractors in New York.
Activity
|
32 projects
|
2025 |
Our building permit records indicate that William T Mahoney Plumbing & Heating Inc has worked on at least
32.0 projects over the past year.
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
|
25 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that William T Mahoney Plumbing & Heating Inc mostly works on
new construction
projects.
Pricing
|
25 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
4 projects
|
$1mil+ |
The typical size of their permits is approximately $350,000. 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.
Building Permits by William T Mahoney Plumbing & Heating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovation of the existing two-story theatre including but not limited to construction of ada restrooms relocation of box office bar/lounge reconstruction to be implemented into new two-story atrium space roof replacement and hvac plumbing and electrical upgrades. <div>*** all plumbing electrical & hvac work to be completed under separate permits by licensed contractors *** *** any ne... see more
Valuation:
$5,000,000
Permit #:
GC25-9634919
Status:
complete
Fee:
$8,926
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 10 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626781
Status:
issued
Fee:
$875
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626378
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626160
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626159
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site ***<div>
Valuation:
$350,000
Permit #:
GC24-9626158
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626153
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626150
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9625754
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning..*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9625705
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning
Valuation:
$350,000
Permit #:
GC24-9625702
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning
Valuation:
$350,000
Permit #:
GC24-9625690
Status:
issued
Fee:
$950
Permit Type:
Gc
Building Type:
N/A
Construction of a two-story single family residential structure by the united house of prayer for all people which will be located next door to their existing church at 60 howard street and is intended to be used as a pastor's parsonage to provide housing for clergy.<div>
Valuation:
$650,000
Permit #:
GC25-9648111
Status:
issued
Fee:
$995
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 10 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div><div>
Valuation:
$350,000
Permit #:
GC24-9626782
Status:
issued
Fee:
$825
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626386
Status:
issued
Fee:
$900
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626371
Status:
issued
Fee:
$800
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 10 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626358
Status:
issued
Fee:
$800
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626357
Status:
issued
Fee:
$800
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 10 duplicates to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning.*** minor site *** <div>
Valuation:
$350,000
Permit #:
GC24-9626162
Status:
issued
Fee:
$800
Permit Type:
Gc
Building Type:
N/A
Construction of new prototypical wood-framed slab on grade 2-story house for sale on vacant (former single-family house) site. this albright house is one of 22 duplicates (some mirrored) to be placed on other vacant single-family sites within other neighborhoods within the city. see plans for site geometry & zoning
Valuation:
$350,000
Permit #:
GC24-9626145
Status:
issued
Fee:
$900
Permit Type:
Gc
Building Type:
N/A
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William T Mahoney Plumbing & Heating Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
William T Mahoney Plumbing & Heating Inc License info
Verified License
| License # | 035878 |
| Status | Active |
| State | New York |
| Type | Architect |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for William T Mahoney Plumbing & Heating Inc at the New York Office of the Professions.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2814 |
| Status | Active |
| County | Suffolk County |
| Type | Mp N/A |
- When BuildZoom last verified this license, it had an expiration date of March, 2014. Check the current license status of William T Mahoney Plumbing & Heating Inc with the Suffolk County Department of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RP60055 |
| Status | Inactive |
| Town | Town Of Southampton |
- According to the Town of Southampton Department of Land Management, 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 T Mahoney Plumbing & Heating Inc at the Town of Southampton Department of Land Management.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
33
Permits
- Building permit records show that William T Mahoney Plumbing & Heating Inc has worked on 33 permitted projects.
William T Mahoney Plumbing & Heating Inc Employees
MW
Mahoney Frederick William
Owner
WJ
William Mahoney Jr
Owner
WM
William T Mahoney
Licensee