Updated: May 20, 2026
Location and Projects
Address
1905 N. Harrison Avenue, Wilmington, DE, 19809
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Silverside Contracting Construction
Silverside Contracting, Inc, 1905 N Harrison Ave, Wilmington, DE (Employees: Dan, Daniel J Hartnett, and Deborah M Hartnett) holds a Resident Contractor license and 3 other licenses according to the New Castle County license board.
Their BuildZoom score of 96 ranks in the top 20% of 8,071 Delaware licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Silverside Contracting, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Silverside Contracting, Inc Services
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Silverside Contracting, Inc Contact Information
Phone Number: (302) 652-7100
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Address: 1905 N. Harrison Avenue, Wilmington, DE 19809
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Building Permits by Silverside Contracting, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovations to detached garage; expand and convert to attached garage and finish second story (rev. 6/13/17: addition engineer-designed retaining wall to foundation plan)(revision 1/29/20 complete list of fixes drawn up by ncc)
Valuation:
N/A
Permit #:
201705811
Status:
final
Fee:
$1,480
Permit Type:
Building renovati...
Building Type:
Residential
131.5 sf partial garage renovation to addition full bathroom and laundry room
Valuation:
N/A
Permit #:
202304133
Status:
final
Fee:
$154
Permit Type:
Building addition
Building Type:
Residential
153 sf addition
Valuation:
N/A
Permit #:
202504374
Status:
final
Fee:
$186
Permit Type:
Building addition
Building Type:
Residential
580 sf finished basement with powder room
Valuation:
N/A
Permit #:
202301005
Status:
final
Fee:
$208
Permit Type:
Building addition
Building Type:
Residential
Porch renovation
Valuation:
N/A
Permit #:
202415533
Status:
final
Fee:
$1,231
Permit Type:
Building addition
Building Type:
Residential
Building new vaulted roof over owner-installed monolithic concrete pad for open porch (pictures attached) - approx 15'-0 x 20'-6
Valuation:
N/A
Permit #:
202000761
Status:
final
Fee:
$163
Permit Type:
Building addition
Building Type:
Residential
Renovate kitchen and mudroom
Valuation:
N/A
Permit #:
202303739
Status:
final
Fee:
$250
Permit Type:
Building addition
Building Type:
Residential
Master bathroom addition
Valuation:
N/A
Permit #:
202115196
Status:
final
Fee:
$196
Permit Type:
Building addition
Building Type:
Residential
Basement renovation & egress window installation
Valuation:
N/A
Permit #:
202100371
Status:
final
Fee:
$158
Permit Type:
Building addition
Building Type:
Residential
Bedroom renovation
Valuation:
N/A
Permit #:
202206881
Status:
final
Fee:
$1,234
Permit Type:
Building addition
Building Type:
Residential
Family room addition
Valuation:
N/A
Permit #:
202106119
Status:
final
Fee:
$715
Permit Type:
Building addition
Building Type:
Residential
Finish basement - bedroom - bathroom - living space (existing egress)
Valuation:
N/A
Permit #:
201915507
Status:
final
Fee:
$194
Permit Type:
Building addition
Building Type:
Residential
350 sf garage conversion to family room
Valuation:
N/A
Permit #:
202308969
Status:
final
Fee:
$200
Permit Type:
Building addition
Building Type:
Residential
Basement renovation
Valuation:
N/A
Permit #:
202104310
Status:
final
Fee:
$209
Permit Type:
Building addition
Building Type:
Residential
Alteration to existing finished basement w the addition of egress window
Valuation:
N/A
Permit #:
201817372
Status:
final
Fee:
$161
Permit Type:
Building renovation
Building Type:
Residential
Kitchen addition - 18'9 x 14'4 on a crawl space foundation
Valuation:
N/A
Permit #:
201817378
Status:
final
Fee:
$264
Permit Type:
Building addition
Building Type:
Residential
Carport renovation
Valuation:
N/A
Permit #:
202309039
Status:
final
Fee:
$313
Permit Type:
Building addition
Building Type:
Residential
Fire restoration (rev 12/3/24: remove header in kitchen and install lvl beam replace soffit framing finish 837 sf of basement area)
Valuation:
N/A
Permit #:
202304777
Status:
final
Fee:
$3,715
Permit Type:
Building addition
Building Type:
Residential
Demolition - rear screen porch
Valuation:
N/A
Permit #:
201817376
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
Residential
Finish basement
Valuation:
N/A
Permit #:
202204354
Status:
final
Fee:
$265
Permit Type:
Building addition
Building Type:
Residential
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126
BZ Score
-
Avg Project
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Projects
License # NAT-51148-3
Wilmington, DE
122
BZ Score
$20K
Avg Project
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Projects
134
BZ Score
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Avg Project
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Silverside Contracting, Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Silverside Contracting, Inc License info
Verified License
| License # | 1989027182 |
| 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 Silverside Contracting, 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 # | PA076899 |
| Status | Active |
| State | Delaware |
| Type | General Contractor |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Silverside Contracting, Inc at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PA076899 |
| Status | Inactive |
| State | Pennsylvania |
- According to the Pennsylvania Office of the Attorney General, 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 Silverside Contracting, Inc at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-46999-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Silverside Contracting, Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Business Insurance Services Inc |
| Insured up to | $100,000 |
95
Permits
- Building permit records show that Silverside Contracting, Inc has worked on 95 permitted projects.
Silverside Contracting, Inc Employees
D
Dan
Hartnet
DH
Daniel J Hartnett
President
DH
Deborah M Hartnett
Secretary