Updated: Jul 06, 2026
Location and Projects
Address
Dover, DE, 19901
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Diamond Electric Inc
Diamond Electric Inc, Dover, DE holds a Resident Contractor license and 1 other license according to the New Castle County license board.
Their BuildZoom score of 91 ranks in the top 37% of 8,071 Delaware licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Diamond Electric Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Diamond Electric Inc Contact Information
Phone Number: (302) 697-3296
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement plumbing inside underground plumbing gas test 9 fixtures: demolish of all existing plumbing piping install new plumbing pipe per new design and installation of new plumbing fixtures. installation of new gas piping. (rev 5/3/19: pipe size change on gas piping from 1 1/2 to 1 also moved 3 gas line serving the 3 prep booths)
Valuation:
N/A
Permit #:
201816483
Status:
final
Fee:
$288
Permit Type:
Replacement
Building Type:
Commercial
New system hvac unit(s) duct work refrigeration: installation of new mini split system in the board room. *(rev.4/16/19 : the original specified equipment size was increased to 24, 000 btu from 18, 000 to better match loads)*
Valuation:
N/A
Permit #:
201903227
Status:
final
Fee:
$90
Permit Type:
New construction
Building Type:
Industrial
Replacement plumbing inside underground plumbing gas test 11 fixtures 1 water heater(s): demolish of selected plumbing fixtures installation of new plumbing fixture and associated piping including natural gas piping
Valuation:
N/A
Permit #:
201814305
Status:
final
Fee:
$221
Permit Type:
Replacement
Building Type:
Exempt commercial
New plumbing inside underground plumbing 4 fixtures 1 water heater(s): install new underground plumbing install new domestic sanitary and storm aboveground. installation of new plumbing fixtures
Valuation:
N/A
Permit #:
201817104
Status:
final
Fee:
$242
Permit Type:
New construction
Building Type:
Exempt commercial
Replacement plumbing inside underground plumbing gas test 12 fixtures: demolish existing plumbing fixtures installation of new pipe ug and aboveground for new restroom. install oil/water separator
Valuation:
N/A
Permit #:
201816538
Status:
final
Fee:
$147
Permit Type:
Replacement
Building Type:
Commercial
New system hvac unit(s) duct work refrigeration furnish and install new split heat pump system and associated piping. furnish and install reconfigured ductwork to existing rtu's
Valuation:
N/A
Permit #:
201908063
Status:
final
Fee:
$410
Permit Type:
New construction
Building Type:
Commercial
Replacement hvac unit(s) duct work refrigeration: demolish of existing hvac system installation of new hvac system to include ductwork and two paint booth heaters
Valuation:
N/A
Permit #:
201816488
Status:
final
Fee:
$391
Permit Type:
Replacement
Building Type:
Commercial
Phase 2: new plumbing 3 fixtures: pipe and install floor sink and hand sink - domestic and sanitary piping
Valuation:
N/A
Permit #:
201815401
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Exempt commercial
Replacement hvac unit(s) refrigeration: demolish of existing heater and installation of new heaters
Valuation:
N/A
Permit #:
201816543
Status:
final
Fee:
$210
Permit Type:
Replacement
Building Type:
Commercial
Building #13 ups system replacement structural notes and details(add beam to reinforce floor under new ups batteries)
Valuation:
N/A
Permit #:
201804107
Status:
final
Fee:
$504
Permit Type:
Tenant fitout
Building Type:
Exempt commercial
Replacement plumbing grease trap: remove and replace grease trap
Valuation:
N/A
Permit #:
201814642
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Exempt commercial
Replacement hvac unit(s): remove and replace existing rooftop unit with new
Valuation:
N/A
Permit #:
201814843
Status:
final
Fee:
$111
Permit Type:
Replacement
Building Type:
Exempt residential
Furnish and install csst flexible gas line to customer supplied heater
Valuation:
N/A
Permit #:
201802608
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
Residential
Replacement plumbing inside underground plumbing gas test 12 fixtures: water heater replacement and renovation to the existing sanitary and domestic water piping system. installation of additional new fixtures. *(rev. 9/4/18: revise gas drawings.)*
Valuation:
N/A
Permit #:
201806134
Status:
final
Fee:
$655
Permit Type:
Replacement
Building Type:
Exempt commercial
New system hvac unit(s) gas test: installation of new mechanical equip- 3 unit heaters 1 ptac 2 exhaust fans 1 louver and install owner existing 4 ductless split
Valuation:
N/A
Permit #:
201802758
Status:
final
Fee:
$205
Permit Type:
New construction
Building Type:
Exempt commercial
Replacement plumbing inside underground plumbing 6 fixtures 1 water heater(s): installation of new plumbing piping and fixtures (including water heater) for tenant fit out of existing building
Valuation:
N/A
Permit #:
201906362
Status:
final
Fee:
$210
Permit Type:
Replacement
Building Type:
Commercial
New plumbing 1 fixtures new plumbing 1 fixtures 1 water service: installation of domestic cold water piping 1 hose bibb and gas piping
Valuation:
N/A
Permit #:
201802760
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Exempt commercial
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Diamond Electric Inc License info
Verified License
| License # | 2017606064 |
| Status | Active |
| State | New Castle County |
| Type | Resident Contractor |
| Date Issued | 01-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Diamond Electric 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.
Verified License
| License # | 1989013686 |
| Status | Active |
| State | New Castle County |
| Type | Resident Contractor |
| Date Issued | 01-01-2026 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Diamond Electric 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.
91
BuildZoom Score
10
Permits
- Building permit records show that Diamond Electric Inc has worked on 10 permitted projects.