Updated: Apr 06, 2026
Location and Projects
Address
62 Southgate Blvd., New Castle, DE, 19720
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Cooper Bros Plumber
Cooper Bros Inc, 62 Southgate Blvd, New Castle, DE (Employees: Walter Cooper and Walter D. Cooper) holds a Resident Contractor license and 2 other licenses according to the New Castle County license board.
Their BuildZoom score of 0 does not rank in the top 50% of Delaware contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cooper Bros Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cooper Bros Inc Services
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Cooper Bros Inc Contact Information
Phone Number: (302) 323-0717
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Address: 62 Southgate Blvd., New Castle, DE 19720
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Inside plumbing for fit-out *(rev.4/18/18: original scope of plumbing work was for (2) future tenant shell units. now combining both units for new tenant.)*
Valuation:
N/A
Permit #:
201717389
Status:
final
Fee:
$149
Permit Type:
N/A
Building Type:
Commercial
Exterior gas piping for 6 rooftop units for commercial building (phase ii) exterior renovation-installation of (2) door entrances with (2) ramps locat
Valuation:
N/A
Permit #:
201831759
Status:
issued
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
Plumbing for labcorp fit-out remodel of existing interior space
Valuation:
N/A
Permit #:
201800726
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
Commercial
Cap sewer and water for demolition
Valuation:
N/A
Permit #:
201800786
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Residential
Underground plumbing for future tenants of 17, 600 sf shell building to include two grease interceptors and gas piping. *(rev. 05/25/2017: eliminate exterior grease interceptors - installed by others. eliminate all underground piping other than the future stub up's as per revised plan.)* (*rev.8/11/17: revised to include additional underground plumbing.)*
Valuation:
N/A
Permit #:
201704331
Status:
final
Fee:
$334
Permit Type:
N/A
Building Type:
Commercial
Plumbing for residential remodel to include repiping water lines and redoing drains and vents above slab for one toilet; one tub; one lav; one kitchen sink; one dishwasher and supplying installing new 50 gallon electrical. hot water heater
Valuation:
N/A
Permit #:
201803096
Status:
final
Fee:
$365
Permit Type:
N/A
Building Type:
Residential
Renovations/alterations for new tenant fit-out in existing building. work to include the addition of a laundry tub water cooker and kitchen sink using existing plumbing and updating fixtures to existing bathrooms to be ada compliant
Valuation:
N/A
Permit #:
201612436
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
Industrial
Plumbing to include replacement of water piping using pex pipe and fittings; re-rough and install owner's new fixtures in master bath; hall bath; powder room and kitchen; also run gas line for fireplace (lp)
Valuation:
N/A
Permit #:
201802783
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Residential
Plumbing for new tenant fit-out serenity spa to include rough-in and final of a bathroom drinking fountain and mop sink with 12-gallon electric water heater and rough-in only to (2) future salon sinks
Valuation:
N/A
Permit #:
201716919
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing work for medical office fit-out: demolish (2) baths & (4) sinks; cap off above-ceiling & below floor; rough-in (4) new bar sinks and (1) drinking fountain; run copper water lines from ceiling down to new sinks from existing water line and utilize existing drains for new bar sinks
Valuation:
N/A
Permit #:
201808507
Status:
final
Fee:
$84
Permit Type:
N/A
Building Type:
Commercial
Adding a new meter pit and water service to suite #9a which is currently sharing a service with suite #9b. suite #9b will continue to be tied into the existing water service previously shared with #9a
Valuation:
N/A
Permit #:
201801861
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing work for commercial tenant fit-out to include (3) bathrooms (1 toilet and 1 sink in each); water cooler; mop sink; kitchenette and hosebib at front of building
Valuation:
N/A
Permit #:
201802785
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
Industrial
Plumbing for new tenant fit-out 9 round fitness to include rough-in and final of a bathroom drinking fountain and mop sink with 12 gallon electric hot water heater
Valuation:
N/A
Permit #:
201716858
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing to finish off basement bathroom consisting of shower toilet sink and pump. (previous underground and pump crock by others at time of new construction.)
Valuation:
N/A
Permit #:
201802393
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Residential
Adding a hi/low water cooler to fit-out space. location to be on outside wall of existing bathroom. tying into existing plumbing from that bathroom
Valuation:
N/A
Permit #:
201804139
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Industrial
Plumbing for blythe clothing boutique. fit-out to include a new ada bathroom ada water cooler and a mop sink in place of existing kitchen sink
Valuation:
N/A
Permit #:
201806991
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing renovations to (3) bathrooms and (1) breakroom - all existing (no location changes)dismantle remove and re install
Valuation:
N/A
Permit #:
201712871
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing work for residential kitchen addition and 2nd floor master bathroom (*note: master bathroom is rough-in only.*)
Valuation:
N/A
Permit #:
201709972
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Residential
Plumbing for renovation of existing labcorp tenant space to include new mop sink and bar sink replacing bathroom fixtures
Valuation:
N/A
Permit #:
201706644
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Commercial
Plumbing for 2 story medical office building recovery innovations'*(rev. 6/24/16 revisedd permit to addition 6 sewer and 2 water laterals)*
Valuation:
N/A
Permit #:
201517132
Status:
final
Fee:
$495
Permit Type:
N/A
Building Type:
Residential
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Verified License
BuildZoom confirmed this contractor's license
Cooper Bros Inc License info
Verified License
| License # | 1989012247 |
| Status | Active |
| State | New Castle County |
| Type | Resident Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Cooper Bros Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA093038 |
| Status | Active |
| State | Delaware |
| Type | Plumbing Contractors |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Cooper Bros Inc with the State of Delaware
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA093038 |
| Status | Active |
| State | Pennsylvania |
| Type | Plumbing And Heating Contractor, Residential And Commercial Work. |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cooper Bros Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Cooper Bros Inc, click “This is My Business” to update your information.
Insured
| Insurer | Donegal Mutual Insurance Co. |
| Insured up to | $7,000,000 |
750
Permits
- Building permit records show that Cooper Bros Inc has worked on 750 permitted projects.
Cooper Bros Inc Employees
WC
Walter Cooper
President
WC
Walter D. Cooper
President/Owner