Updated: Apr 20, 2026
Location and Projects
Address
70 East Main StreetSuite 101, Oyster Bay, NY, 11771
Use our bidding system to
request a quote
Buildco Construction
Buildco Corp, 70 E Main St, Oyster Bay, NY (Employee: William B Clarke) holds a Home Improvement Contractors license and 2 other licenses according to the Nassau County license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Buildco Corp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Buildco Corp Services
Start a project today:
Buildco Corp Contact Information
Phone Number: (718) 517-0603
Edit
Address: 70 East Main StreetSuite 101, Oyster Bay, NY 11771
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
$2,393,851
Permit #:
123047354-01-AL
Status:
issued
Fee:
$24,927
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - proposed to change the use from casket factory storage and casket show room to a community facility (church) including a complete renovation of the existing building and file new certificate of occupancy and public assembly application and permit. all as per plans filed herewith
Valuation:
$600,000
Permit #:
220143271-01-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - herewith in filing the conversion of an existing multi-family to a single-family dwelling. rooftop penthouse addition and general renovation included. structural plumbing and mechanical plans filed under subsequent documents
Valuation:
$240,000
Permit #:
123397886-01-AL
Status:
issued
Fee:
$781
Permit Type:
N/A
Building Type:
C2-walk-up apartment
Alteration type 1 - propose to renovate existing one story community facility building addition a one story rear extension and obtain a new certificate of occupancy
Valuation:
$80,000
Permit #:
421662506-01-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - application filed to legalize rooftop addition and installation of plumbing fixtures
Valuation:
$82,650
Permit #:
123154665-01-AL
Status:
issued
Fee:
$1,104
Permit Type:
N/A
Building Type:
N/A
Alteration type 2 - structural structural work in conjunction with alt-1 #121233147. no change in use egress or occupancy
Valuation:
$100,000
Permit #:
123424623-01-EW-OT
Status:
issued
Fee:
$1,224
Permit Type:
N/A
Building Type:
N/A
Alteration type 2 - sheet'g/shoring sheeting and shoring of existing retaining wall in preparation of repair work. no change in occupancy use or egress
Valuation:
$15,000
Permit #:
123513769-01-EW-OT
Status:
issued
Fee:
$349
Permit Type:
N/A
Building Type:
C1-walk-up apartment
New building - foundation/earthwork new seven (7) story mixed use building
Valuation:
N/A
Permit #:
121189579-01-FO
Status:
issued
Fee:
$19,379
Permit Type:
N/A
Building Type:
N/A
New building - earthwork new seven (7) story mixed use building
Valuation:
N/A
Permit #:
121189579-01-FO-EA
Status:
issued
Fee:
$19,379
Permit Type:
N/A
Building Type:
N/A
New building - new seven (7) story mixed use building
Valuation:
N/A
Permit #:
121189579-01-NB
Status:
issued
Fee:
$19,379
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - proposed 4th floor addition including general construction plumbing and structural work as indicated on plans submitted herewith; amended certificate of occupancy required
Valuation:
$300,000
Permit #:
123758004-01-AL
Status:
issued
Fee:
$937
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - combine 2 apartments on the 2nd and 3rd floor to make 1 duplex apartment with a rear 2nd floor terrace. sunken garden in rear yard counts as additional far. existing 1st floor ug8 commercial garage with existing curb cut to remain. see section 24
Valuation:
$250,000
Permit #:
123151908-01-AL
Status:
issued
Fee:
$807
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - herewith file plans to addition a bulkhead on the roof of this existing two family residence general construction to include interior layout changes. obtain amended certificate of occupancy. note: pl mh and spr work types to be filed through dob now._str #m00314675. foundation plans to be filed separate through dob bis #12787508
Valuation:
$111,125
Permit #:
123725647-01-AL
Status:
issued
Fee:
$448
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - interior renovation at cellar thru 4th floor new two story rear addition new rooftop addition new storefront as per plans submitted herewith
Valuation:
$543,780
Permit #:
121233147-01-AL
Status:
issued
Fee:
$5,872
Permit Type:
N/A
Building Type:
S5-residence-multi-u
Alteration type 1 required to meet new building requirements (28-101.4.5) 2 story vertical enlargement and horizontal extention of existing 2 story residential building
Valuation:
$1,527,000
Permit #:
321725022-01-AL
Status:
issued
Fee:
$15,977
Permit Type:
N/A
Building Type:
B1-2 family dwelling
No Description Available
Valuation:
N/A
Permit #:
123165476-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
210180025-01-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 2 - gen. constr. herewith in filing a proposed one story rear extension sunroom. no change to use egress or occupancy
Valuation:
$78,000
Permit #:
421692608-01-EW-OT
Status:
issued
Fee:
$320
Permit Type:
N/A
Building Type:
A1-1 family dwelling
No Description Available
Valuation:
N/A
Permit #:
300446747-01-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
123165476-02-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
184
BZ Score
$39K
Avg Project
-
Projects
220
BZ Score
$37.5K
Avg Project
-
Projects
162
BZ Score
$170
Avg Project
-
Projects
Buildco Corp Reviews
BuildZoom hasn't received any reviews for Buildco Corp. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Buildco Corp License info
Verified License
| License # | 204344 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Buildco Corp at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 025231 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
| Date Issued | 04-04-2026 |
- According to the New York City Department of Buildings, 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 Buildco Corp at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 025232 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Buildco Corp at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
17
Permits
- Building permit records show that Buildco Corp has worked on 17 permitted projects.
Buildco Corp Employees
WC
William B Clarke
President