Updated: May 28, 2026
Location and Projects
Address
821 Franklin Ave., Thornwood, NY, 10594
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Estates Developers Inc Dba Hahn Contracting Construction
Estates Developers Inc Dba Hahn Contracting, 821 Franklin Ave, Putnam County, NY (Owned by: John J. Hahn) holds a Painting Gen Carpentry(no Roofing) license and 6 other licenses according to the Putnam County license board.
Their BuildZoom score of 91 ranks in the top 37% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Estates Developers Inc Dba Hahn Contracting, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Estates Developers Inc Dba Hahn Contracting Services
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Estates Developers Inc Dba Hahn Contracting Contact Information
Phone Number: (914) 773-6500
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Address: 821 Franklin Ave., Putnam County, NY 10594
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Building Permits by Estates Developers Inc Dba Hahn Contracting
This is a sample of this contractor's permits. Click here to access their complete permit history.
Alteration type 2 - construction replace/reconstruct aviary structure usi ng non-combustible chain-link material and metal supports, and remove e cb violation #34109853m. no change to use zoing occupancy fireprotection or egress
Valuation:
$1,000,000
Permit #:
200354589-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Q1-outdoor recreatio
Alteration type 2 - mech/hvac install fixtures & equipment for deli/fo od store (ug-6)including new p mbing, partitions, hung ceiling, fooor & wa ll covering as shown on plan.no change in use, egress or occupancy
Valuation:
$15,000
Permit #:
100215009-01-EW-MH
Status:
issued
Fee:
$235
Permit Type:
N/A
Building Type:
T9-transportation fa
Alteration type 2 - gen const install roof mounted package air conditi oning unit, gas fired duct heate and gas fired hw heaters for exists.beau ty parlor as shown on plan. no change in use, occupancy or egress
Valuation:
$10,000
Permit #:
300173069-01-EW-OT
Status:
issued
Fee:
$185
Permit Type:
N/A
Building Type:
S2-residence-multi-u
Alteration type 2 - mech/hvac install roof mounted package air conditi oning unit, gas fired duct heate and gas fired hw heaters for exists.beau ty parlor as shown on plan. no change in use, occupancy or egress
Valuation:
$10,000
Permit #:
300173069-01-EW-MH
Status:
issued
Fee:
$185
Permit Type:
N/A
Building Type:
S2-residence-multi-u
Alteration type 2 - fire suppression erect partition install kitchen equipmen ts at the first floor install p umbing fixtures exhaust hood and fire suppression system no change in use egre ss or occupancy
Valuation:
$13,200
Permit #:
300462979-01-EW-FP
Status:
issued
Fee:
$233
Permit Type:
N/A
Building Type:
S2-residence-multi-u
Alteration type 2 - fire suppression renovation of an existing kitchen, instal l plumbing install fire suppr sion. (no change of use egress or occup ancy). change drawing to show seating arrange- ment
Valuation:
$5,000
Permit #:
300195401-01-EW-FP
Status:
issued
Fee:
$135
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - construction equipment - fence install new storefront; wall and floor c overing; hung ceiling; gas fire unit heaters for existing stores on 1st as shown on plan
Valuation:
$37,000
Permit #:
200165935-01-EQ-FN
Status:
issued
Fee:
$585
Permit Type:
N/A
Building Type:
K1-store building
No Description Available
Valuation:
N/A
Permit #:
100145567-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 2 - fuel burning install oil-fired steam boiler/burner a- nd fuel storage tank including boiler room enclosure in cellar as sho- wn on plan. no change in use occupancy or egress
Valuation:
$1,000
Permit #:
200052496-01-EW-FB-OIL
Status:
issued
Fee:
$110
Permit Type:
N/A
Building Type:
C7-walk-up apartment
Alteration type 2 - mech/hvac replace on first floor existing dry cle- aning machine in an existing dr cleaning establish. (u.g.-6) with a new machine. no change in use egress or o- ccupancy
Valuation:
$4,000
Permit #:
200080063-01-EW-MH
Status:
issued
Fee:
$115
Permit Type:
N/A
Building Type:
K2-store building
Alteration type 2 - mech/hvac legelize existing air conditioning unit in existing store(ug-6) on first floor. no change in use. occupancy or egress/structural stability will not be affected
Valuation:
$4,000
Permit #:
400049700-01-EW-MH
Status:
issued
Fee:
$170
Permit Type:
N/A
Building Type:
K6-store building
Alteration type 2 - gen const install cooking equipment exhaust syste m and sink in existing deli/fo d store (ug-6) on 1st floor as shown on plan. no change in use occupancy or egress
Valuation:
$8,000
Permit #:
300166950-01-EW-OT
Status:
issued
Fee:
$165
Permit Type:
N/A
Building Type:
K4-store building
Alteration type 2 - mech/hvac install cooking equipment exhaust syste m and sink in existing deli/fo d store (ug-6) on 1st floor as shown on plan. no change in use occupancy or egress
Valuation:
$8,000
Permit #:
300166950-01-EW-MH
Status:
issued
Fee:
$165
Permit Type:
N/A
Building Type:
K4-store building
Alteration type 2 - const. replace existing dry cleaning machine in an existing dry cleaning establishment (ug-6) on the first floor as shown on the plans.no change in use occupancy or egress/structural stabili- ty will not be affected
Valuation:
$4,000
Permit #:
200029101-01-EW-OT
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
K1-store building
Alteration type 2 - fire suppression install rangehood fire suppression syste m as shown on plan. (plumbing or gas valve under separate application) no change in use occupancy or egress
Valuation:
$2,000
Permit #:
300254123-01-EW-FP
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
K5-store building
Alteration type 2 - fire suppression install rangehood fire suppression syste m as shown on plan. (plumbing or gas valve under separats application) no change in use occupancy or egress
Valuation:
$2,000
Permit #:
300254105-01-EW-FP
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
K5-store building
Alteration type 2 - fire suppression install rangehood fire suppression syste m as shown on plan. (plumbing or gas valve under separate application) no change in use occupancy or egress
Valuation:
$2,000
Permit #:
300253927-01-EW-FP
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
K5-store building
No Description Available
Valuation:
N/A
Permit #:
300465351-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300465351-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 2 - construction install new storefront; wall and floor c overing; hung ceiling; gas fire unit heaters for existing stores on 1st as shown on plan
Valuation:
$37,000
Permit #:
200165935-01-EW-OT
Status:
issued
Fee:
$585
Permit Type:
N/A
Building Type:
K1-store building
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Verified License
BuildZoom confirmed this contractor's license
Estates Developers Inc Dba Hahn Contracting License info
Verified License
| Status | Active |
| County | Putnam County |
| Type | Painting Gen Carpentry(no Roofing) |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Westchester County |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0561554 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Estates Developers Inc Dba Hahn Contracting at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MCO.0901056 |
| Status | Active |
| State | Connecticut |
| Type | Mechanical Corporation |
| Date Issued | 07-01-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Estates Developers Inc Dba Hahn Contracting at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 13VH03126000 |
| Status | Active |
| State | New Jersey |
| Type | Home Improvement Business Contr |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Estates Developers Inc Dba Hahn Contracting at the New Jersey Department of Law & Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Westchester County |
| Type | Home Improvement Contractor |
- According to the Consumer Westchester County, NY, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PC2708-A |
| Status | Inactive |
| County | Putnam County |
| Type | General Carpentry |
- According to the Putnam County Department of Consumer Affairs, 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 Estates Developers Inc Dba Hahn Contracting at the Putnam County Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
131
Permits
- Building permit records show that Estates Developers Inc Dba Hahn Contracting has worked on 131 permitted projects.
Estates Developers Inc Dba Hahn Contracting Employees
HJ
Hahn John J. Jr.
HJ
Hahn John Joseph
JH
John Hahn
JH
John J. Hahn
Owner