Updated: Jun 07, 2025
Location and Projects
Address
P.O. Box 687, Portsmouth, NH, 03802
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Robert C. Hart, Jr Plumber
Their BuildZoom score of 0 does not rank in the top 50% of New Hampshire contractors.
If you are thinking of hiring Robert C. Hart, Jr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Robert C. Hart, Jr Contact Information
Phone Number: (603) 431-8688
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Address: P.O. Box 687, Portsmouth, NH 03802
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Robert C. Hart, Jr Portsmouth
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Robert C. Hart, Jr, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
31 projects
|
2024 |
|
75 projects
|
2023 |
Our building permit records indicate that Robert C. Hart, Jr has worked on at least
107.0 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
|
3 projects
|
Home Additions |
|
103 projects
|
Plumbing projects |
|
7 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Robert C. Hart, Jr mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
72 projects
|
< $5k |
|
33 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $2,500. 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.
Replace existing gas boiler with a lochinvar knight khb155 95% efficient natural gas boiler with all necessary near boiler piping spoke with inspectior ok with existing venting location) reuse existing hot water
Valuation:
$9,500
Permit #:
MECH-24-304
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pipe drainage vents and water to owner supplied sinks and washer box (supplied by hart plumbing) install 50-gallon electric water heatervent dryer to outsidepermits and inspections by city of portsmouthwiring and trenching by others not included this our quote
Valuation:
$10,999
Permit #:
PLMB-24-30
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install lg mini split system to consist of 2-lg lnm079 heads tied into a lg lmu180hhv outdoor condenser in two room unit.install lg mini split to consist of 1-lg lan090 head tied into a lg lau090hyv3 outdoor condenser in one room unit
Valuation:
$17,399
Permit #:
MECH-24-219
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Emergency install replace existing boiler with a weil mclain cga-3 lp gas boiler and all necessary near boiler piping new circulator expansion tank water feeder and air eliminating device included all venting to be replaced per code
Valuation:
$6,500
Permit #:
MECH-24-136
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rough and finish plumbing for bathroom and kitchen renovation including drains vents and water piping. mechanical vents approved by dana for lav's and kitchen sink. water lines approved to be coming through the deck of cabinets
Valuation:
$6,000
Permit #:
PLMB-24-144
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repipe plumbing to addition 2nd toilet in new location to women's room relocate mop sink and accommodate breakroom sink with pump all necessary plumbing per code fixtures includedconcrete cutting and trenching not included
Valuation:
$10,500
Permit #:
PLMB-24-142
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (2) existing hvac unit with first company hydro air unit rheem condenser 13 seer line sets heating and ductwork connections city of portsmouth permits included carpentry repairs not included
Valuation:
$25,500
Permit #:
MECH-24-110
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
134 middle stinstall recirc lineincrease water size hot and cold in basementinstall duel check on water main install 11/4 mixing valve on hot waterinstall laundry set ups with pumpsconnect tub drain in back
Valuation:
$5,000
Permit #:
PLMB-24-160
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-pipe drainage on fist floor level from above into trench and in new wallre-pipe 2” main into warehouse along rear wall to all supplies removing 2” copper from show room area and covering with armoflexinstalling new mop sinkre-pipe condensate from existing furnace to new mop sink
Valuation:
$22,000
Permit #:
PLMB-23-284
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing oil boiler with a lochinvar knight khb155 95% efficiency natural gas boiler complete with new piping to steam radiators to make them hot water with 2nd pipe venting and piping per code.boiler qualifies for nh saves rebate city of portsmouth permits included
Valuation:
$14,000
Permit #:
MECH-23-228
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas boiler with a lochinvar knight khb151 95% efficient gas water boiler with new near boiler piping venting and gas piping per code. 40 gal lochinvar squire stainless indirect included for hot water removal of old boiler included
Valuation:
$15,500
Permit #:
MECH-23-190
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-pipe plumbing to addition 2nd toilet in new location to women's room relocate mop sink and accommodate breakroom sink with pump fixtures includedconcrete cutting and trenching not included
Valuation:
$10,500
Permit #:
PLMB-24-145
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnish and install drains vents and water piping needed to rough in owner supplied fixtures. our proposal includes setting fixtures and city of portsmouth plumbing permit and inspection
Valuation:
$10,500
Permit #:
PLMB-24-39
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Irrigation meter permit. change out main 3/4 shut off valve pipe for new irrigation meter pipe from new meter to outside right side of house picking up (2) exisitng outside faucets backflow o outside and dual check at new meter
Valuation:
$1,425
Permit #:
PLMB-23-235
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Lochinvar gas combo boiler.supply and return piping air scoop and expansion tankboiler piping for 2 zones along with piping to super stor replacing what is already there
Valuation:
$10,000
Permit #:
MECH-24-141
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove all plumbing to existing sinks for new flooringre-pipe hair sinks and addition new sinks to line (existing sinks maybe relocated to accommodate new linere-install all equipment disconnected for flooring
Valuation:
$10,850
Permit #:
PLMB-23-412
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install recirc line increase water size hot and cold in basement install duel check on water main install 1 1/4 mixing valve on hot water install laundry set ups with pumps
Valuation:
$4,000
Permit #:
PLMB-24-159
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas boiler with lochinvar nobel nkc150 95% combi heat/hot water boiler near boiler piping venting and gas piping to code
Valuation:
$11,800
Permit #:
MECH-23-14
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish of existing shower unit installation of new unit. all carpentry and sheet rock to be done by others aker shower base with right hand seat valve and walls (no change in drians)
Valuation:
$3,900
Permit #:
PLMB-23-335
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnish and install new plumbing for all bathrooms including pvc drains vents pex hot and cold fixtures per designer specs
Valuation:
$95,600
Permit #:
PMGC-22-511
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Robert C. Hart, Jr License info
License Not Verified
| License # | MS2561 |
| Status | Active |
| State | Maine |
| Type | Plumber |
- When BuildZoom last verified this license, it had an expiration date of November, 2021. Check the current license status of Robert C. Hart, Jr with the Maine Department of Regulatory Licensing & Permitting
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MBE0002076 |
| Status | Inactive |
| State | New Hampshire |
| Type | Mechanical |
- According to the New Hampshire Joint Board, 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 Robert C. Hart, Jr at the New Hampshire Joint Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Robert C. Hart, Jr, click “This is My Business” to update your information.
245
Permits
- Building permit records show that Robert C. Hart, Jr has worked on 245 permitted projects.