Updated: Jul 13, 2026
Location and Projects
Address
16 RESERVOIR RD, Bethel, CT, 06801
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Mark P Diot Plumber
Mark P Diot, 16 Reservoir Rd, Bethel, CT (Employee: Mark Diot) holds a Plumbing & Piping Unlimited Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 102 ranks in the top 11% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark P Diot, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mark P Diot Services
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Mark P Diot Contact Information
Address: 16 RESERVOIR RD, Bethel, CT 06801
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Mark P Diot Bethel
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mark P Diot has a BuildZoom score of 102, which places them above 89% of 12,093 contractors in Connecticut.
Activity
|
4 projects
|
2025 |
|
12 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Mark P Diot has worked on at least
23.0 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 |
|
16 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Mark P Diot mostly works on
plumbing project
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
5 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $102,500. 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.
One story addition for mud room 2nd story addition with 1st floor dining room 2nd fl office covered patio w/deck above. new front portico pergola reframe roof major interior renovations. **upgrade to construct accessory dwelling unit.**
Valuation:
$850,000
Permit #:
BLD-2022-03607
Status:
complete
Fee:
$8,721
Permit Type:
N/A
Building Type:
N/A
New 2 story single family residence with 5 bedrooms and finished basement. retaining walls
Valuation:
$1,500,000
Permit #:
BLD-2024-01063
Status:
issued
Fee:
$15,390
Permit Type:
N/A
Building Type:
N/A
Two-story addition on crawl space with 1st floor family room & second floor master bedroom suite remodel kitchen & misc. interior renovations
Valuation:
$380,000
Permit #:
BLD-2023-01499
Status:
complete
Fee:
$3,899
Permit Type:
N/A
Building Type:
N/A
Install heating system to supply domestic hot water and floor warming. gas pipe boiler to exerior generator fire pit and grill
Valuation:
N/A
Permit #:
BLD-2025-00382
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove right portion of existing single family house and construct 2 story addition with garage addition (need pe stamp)
Valuation:
$390,000
Permit #:
BLD-2023-02463
Status:
issued
Fee:
$4,001
Permit Type:
N/A
Building Type:
N/A
1 story addition for mud room 2nd floor addition for m.br suite 2nd floor addition for br and bathroom new covered front porch remodel kitchen& misc. interior renovations. needs concrete supplier and installer
Valuation:
$500,000
Permit #:
BLD-2020-01947
Status:
complete
Fee:
$5,130
Permit Type:
N/A
Building Type:
N/A
Finish attic above garage for gym and bathroom. construct vestibule in garage
Valuation:
$70,000
Permit #:
BLD-2025-00462
Status:
complete
Fee:
$718
Permit Type:
N/A
Building Type:
N/A
Existing auditorium to be split into two classrooms with two bathrooms. existing kitchenette to remain with cabinet reconfiguration
Valuation:
$140,000
Permit #:
BLD-2024-01896
Status:
complete
Fee:
$2,276
Permit Type:
N/A
Building Type:
N/A
10 x 40 inground pool to meet ct state building code power safety cover pool alarm
Valuation:
$80,000
Permit #:
BLD-2024-02023
Status:
issued
Fee:
$821
Permit Type:
N/A
Building Type:
N/A
Interior renovation for kitchen bathroom miscellaneous interior renovations
Valuation:
$95,000
Permit #:
BLD-2025-01979
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Construct 16 x 32 6 - pool house with portico
Valuation:
$400,000
Permit #:
BLD-2022-02168
Status:
complete
Fee:
$4,104
Permit Type:
N/A
Building Type:
N/A
Two-story addition for bedroom with study above (on piers)
Valuation:
$267,000
Permit #:
BLD-2024-01961
Status:
complete
Fee:
$2,739
Permit Type:
N/A
Building Type:
N/A
Two-story addition for pool room with bedroom suite above with unfinished attic
Valuation:
$375,000
Permit #:
BLD-2021-01813
Status:
issued
Fee:
$3,848
Permit Type:
N/A
Building Type:
N/A
Interior kitchen remodel. install header in block wall for new opening
Valuation:
$110,000
Permit #:
BLD-2024-01009
Status:
issued
Fee:
$1,129
Permit Type:
N/A
Building Type:
N/A
New toilet shower and sink over garage
Valuation:
N/A
Permit #:
BLD-2025-00612
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Generator being moved 5 feet. reusing line
Valuation:
N/A
Permit #:
BLD-2025-00376
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rough in waste water and vent lines to fixtures and set fixtures for 3 baths consisting of shower toilet and sink
Valuation:
N/A
Permit #:
BLD-2024-02024
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing a 32kw and moving location (note original generator was never installed)
Valuation:
$58,000
Permit #:
BLD-2023-01714
Status:
complete
Fee:
$595
Permit Type:
N/A
Building Type:
N/A
Replacing oil heating system with high efficiency propane. propane is currently in home used for water heater and stove
Valuation:
$8,300
Permit #:
M-22-56
Status:
complete
Fee:
N/A
Permit Type:
Boiler/furnace re...
Building Type:
Single family
Brush him waste water and that lines to the following fixtures.first floor shower toilet sinkfirst floor kitchen sink dishwasher icemakersecond-floor master bathroom tub toilet shower and double vanity.laundry washing machine and emergency floor drain. second-floor hall bathroom tub toilet and sink.set customer/fixtures.install wall hung water heater. gas pipe two furnaces water heate... see more
Valuation:
$25,000
Permit #:
P-20-697
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
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Verified License
BuildZoom confirmed this contractor's license
Mark P Diot License info
Verified License
| License # | PLM.0204460-P1 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Unlimited Contractor |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Mark P Diot at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HTG.0308805-S7 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Mark P Diot at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
125
Permits
- Building permit records show that Mark P Diot has worked on 125 permitted projects.
Mark P Diot Employees
MD
Mark Diot