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Note: The Real Property Tax Division is the taxing authority at the County level.  Municipalities also have a taxing authority, the Assessor.  An explanation of these levels of property taxation may be found at the NY State ORPS.
  
To keep this page's download time short, only those Municipal Assessors with online data are linked.  However, contact information for all municipal assessors may be obtained by clicking the links below marked "Municipal Assessors".

Search by County:

Albany
Allegany
Bronx
Brooklyn
Broome
Cattaraugus
Cayuga
Chautauqua
Chemung
Chenango
Clinton

Columbia
Cortland
Delaware
Dutchess
Erie
Essex
Franklin
Fulton
Genesee
Greene
Hamilton

Herkimer
Jefferson
Kings
Lewis
Livingston
Madison
Monroe
Montgomery
Nassau
New York

Niagara
Oneida
Onondaga
Ontario
Orange
Orleans

Oswego
Otsego
Putnam
Queens
Rensselaer
Richmond
Rockland
Saratoga
Schenectady
Schoharie
Schuyler
Seneca
Saint Lawrence

Steuben

Suffolk
Sullivan
Tioga

Tompkins
Ulster
Warren
Washington
Wayne
Westchester
Wyoming
Yates

Albany

Real Property Tax Svce.
County Clerk
Vital Records

City of Albany Assessor
Town of Guilderland Assessor
Municipal Assessors

518-447-7050
518-487-5100
518-436-3663

518-434-5155
518-356-1980

No Online Information
Home Page
Genealogy Data Online

By Subscription Only
Go to Data Online!

Document Images AvailableProperty Detail Report Available
Allegany

Real Property Tax Svce.
County Clerk
Municipal Assessors

585-268-9381
585-268-9270

Home Page Only
Home Page Only

 Property Detail Report Available
Bronx

Dept of Finance
City Register

718-579-6879
718-579-6825

Go to Data Online!
Go to Data Online!

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

Broome

Real Property Tax Svce.
County Clerk

Town of Chenango Assessor
Town of Kirkwood Assessor
Town of Maine Assessor
Town of Vestal Assessor
Municipal Assessors

607-778-2124
607-778-2451

607-723-8302
607-775-4493
607-862-3334
607-754-3314

No Online Information
Home Page Only

Go to Data Online!
Go to Data Online!

Go to Data Online!
Go to Data Online!

 Property Detail Report Available
Cattaraugus

Real Property Tax Svce.
County Clerk
Mapping / GIS
Olean Assessor
Municipal Assessors

716-938-9111x2330
716-938-9111x297

716-376-5631

Home Page Only
Home Page Only
Go to Data Online!
Go to Data Online!

 Property Detail Report Available
Cayuga

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-253-1270
315-253-1271

Home Page Only
Home Page Only

 Property Detail Report Available
Chautauqua

Real Property Tax Svce.
County Clerk
Municipal Assessors

716-753-4221
716-753-4331

Home Page Only
Home Page Only

 Property Detail Report Available
Chemung

Treasurer
County Clerk
Municipal Assessors

607-737-2988
607-737-2920

Home Page Only
Home Page Only

 Property Detail Report Available
Chenango

Real Property Tax Svce.
County Clerk
Municipal Assessors

607-337-1493
607-337-1452

No Online Information
Home Page Only

 Property Detail Report Available
Clinton

County Clerk
Treasurer
Municipal Assessors

518-565-4700
518-565-4730

Home Page Only
Home Page Only

 Property Detail Report Available
Columbia

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-828-7334
518-828-3339

No Online Information
Home Page Only

 Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Cortland

Real Property Tax Svce.
Treasurer
County Clerk
Municipal Assessors

607-753-5040
607-753-5070
607-753-5021

No Online Information
Home Page Only

Home Page Only

 Property Detail Report Available
Delaware

Real Property Tax Svce.
County Clerk
Municipal Assessors

607-746-3747
607-746-2123

Home Page Only
Home Page Only

 Property Detail Report Available
Dutchess

Real Property Tax Svce.
County Clerk
Municipal Assessors

845-486-2140
845-486-2120

Home Page Only
Home Page Only

 Property Detail Report Available
Erie 

Real Property Tax Svce.
County Clerk
Tax Mapping
Buffalo Assessor
Buffalo GIS
Municipal Assessors

716-858-8333
716-858-8785
716-858-6405
716-851-5733
716-851-5733

Home Page Only
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!

Property Detail Report Available

Essex 

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-873-3390
518-873-3600

No Online Information
Home Page Only

 Property Detail Report Available
Franklin

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-481-1502
518-481-1681

No Online Information
Home Page Only

 Property Detail Report Available
Fulton

Real Property Tax Svce.

County Clerk
Municipal Assessors

518-736-5510

518-762-0555

Data By Subscription
Home Page
Home Page Only

 Property Detail Report Available
Genesee

Real Property Tax Svce.
County Clerk
Treasurer
Municipal Assessors

585-344-2550
585-344-2580x2242
585-344-2580x2210

Home Page Only
Home Page Only
Home Page Only

 Property Detail Report Available
Greene

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-943-6977
518-943-2050

Home Page Only
Home Page Only

 Property Detail Report Available
Hamilton

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-548-5531
518-548-7111

By Subscription Only
Home Page Only

 Property Detail Report Available
Herkimer

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-867-1153
315-867-1137

No Online Information
Home Page Only

 Property Detail Report Available
Jefferson

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-785-3074
315-785-3081

No Online Information
No Online Information

 Property Detail Report Available
Kings (Brookyn)

Dept of Finance
City Register

718-802-3560
718-802-3590

Go to Data Online!
Go to Data Online!

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

Lewis

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-376-5336
315-376-5333

No Online Information
Home Page Only

 Property Detail Report Available
Livingston

Real Property Tax Svce.
County Clerk
Municipal Assessors

585-243-7192
585-243-7010

Home Page Only
Home Page Only

 Property Detail Report Available
Madison

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-366-2346
315-366-2262

Home Page Only
Home Page Only

 Property Detail Report Available
Monroe

Real Property Tax Svce.
County Clerk

Town of Greece Assessor
Town of Penfield Assessor
Municipal Assessors

585-428-7221
585-428-5151

585-723-3611
585-340-8611

No Online Information
Go to Data Online!

Go to Data Online!
Go to Data Online!

Document Images AvailableProperty Detail Report Available

Montgomery

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-853-3996
518-853-8115

By Subscription Only
Home Page Only

Property Detail Report Available
Nassau

Real Property Tax Svce.
County Clerk
Municipal Assessors

516-571-1500
516-571-2667

Go to Data Online!
Home Page Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

New York

NYC Tax Commission
NYC Register
NYC Finance Dept.

212-669-4410
212-361-7550
718-935-6000

Go to Data Online!
Go to Data Online!
Go to Data Online!

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

Niagara

Real Property Tax Svce.
County Clerk
Municipal Assessors

716-439-7077
716-439-7029

Home Page Only
Home Page Only

Property Detail Report Available
Oneida

Finance
County Clerk
Municipal Assessors

315-798-5750
315-798-5792

Home Page Only
Home Page Only

Property Detail Report Available
Onondaga

Finance Department
County Clerk
Syracuse Assessor
Municipal Assessors

315-435-2426
315-435-8250
315-448-8280

Go to Data Online!
Home Page Only

Go to Data Online!

Property Detail Report Available
Ontario

Real Property Tax Svce.
County Clerk
Municipal Assessors

585-396-4382
585-393-2952

Home Page Only
Home Page Only

Property Detail Report Available
Orange

Department of Finance
County Clerk
Municipal Assessors

845-291-2485
845-291-2690

Home Page Only
Home Page Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Orleans

Real Property Tax Svce.
County Clerk
Municipal Assessors

585-589-5400
585-589-5334

Home Page Only
Home Page Only

Property Detail Report Available
Oswego

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-349-8315
315-349-8385

Home Page Only
Home Page Only

Property Detail Report Available
Otsego

Real Property Tax Svce.
County Clerk
Municipal Assessors

607-547-4220
607-547-4278

Home Page Only
Home Page Only

Property Detail Report Available
Putnam

Real Property Tax Svce.
County Clerk
Municipal Assessors

845-225-3848
845-225-3641

Home Page Only
Home Page Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Queens

Dept of Finance
City Register

718-298-7099
718-298-7200

Go to Data Online!
Go to Data Online!

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

Rensselaer

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-270-2780
518-270-4080

Home Page Only
Home Page Only

Property Detail Report Available
Richmond

Dept of Finance
City Register

718-935-9500
718-390-5386

No Online Information
No Online Information

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available

Rockland  

Real Property Tax Svce.
Mapping / GIS
County Clerk
Municipal Assessors

845-639-2031
845-364-3434
845-638-5354

Home Page Only
Go to Data Online!

By Subscription Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Saratoga

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-885-2219
518-885-2213

By Subscription Only
Home Page Only

Property Detail Report Available
Schenectady

Real Property Tax Svce.
County Clerk
City Assessor
Glenville Assessor
Scotia Assessor
Niskayuna Assessor
Municipal Assessors

518-388-4246
518-388-4220
518-382-5075
518-384-0093
518-384-0093
518-386-4550

By Subscription Only
Home Page Only
Go to Data Online!

Go to Data Online!
Go to Data Online!
Go to Data Online!

Property Detail Report Available
Schoharie

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-295-8332
518-295-8316

By Subscription Only
Home Page Only

Property Detail Report Available
Schuyler

Real Property Tax Svce.
County Clerk
Municipal Assessors

607-535-8118
607-535-8133

Home Page Only
Home Page Only

Property Detail Report Available
Seneca
Real Property Tax Svce.
County Clerk
Municipal Assessors

315-539-1720
315-539-1771

Home Page Only
Home Page Only

Property Detail Report Available
Saint Lawrence

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-379-2272
315-379-2237

Home Page Only
Home Page Only

Property Detail Report Available
Steuben

Real Property Tax Svce.
County Clerk
Town of Erwin
Municipal Assessors

607-776-9631x2373
607-776-9631x3210
607-936-8913

Home Page Only
Home Page Only
Go to Data Online!

Property Detail Report Available
Suffolk

Real Property Tax Svce.
County Clerk
Treasurer
Municipal Assessors

631-852-1550
631-852-2040
631-852-1500

Home Page Only
Go to Data Online!
Home Page Only

Document Images AvailableComparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Sullivan

Real Property Tax Svce.
County Clerk

Town of Bethel Assessor
Town of Callicoon Assessor
Town of Delaware Assessor
Town of Fallsburg Assessor
Town of Forestburgh Assessor
Town of Fremont Assessor
Town of Highland Assessor
Town of Lumberland Assessor
Town of Mamakating Assessor
Town of Rockland Assessor
Town of Tusten Assessor

Municipal Assessors

845-794-3000
845-794-3000x3152

845-583-4713
845-482-5390
845-887-5250
845-434-8814
845-794-0611
845-887-4286
845-557-6563
845-858-0968
845-888-3015
845-439-3730
845-252-3310

Home Page Only
Home Page Only

Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!
Go to Data Online!

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Tioga

Real Property Tax Svce.
County Clerk
Municipal Assessors

607-687-8661
607-687-8660

No Online Information
Home Page Only

Property Detail Report Available
Tompkins

Real Property Tax Svce.
County Clerk

607-274-5517
607-274-5432

Go to Data Online!
Home Page Only

Property Detail Report Available
Ulster

Real Property Tax Svce.
County Clerk
Municipal Assessors

845-340-3490
845-340-3288

Home Page Only
Home Page Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Warren

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-761-6464
518-761-6426

By Subscription Only
Home Page Only

Property Detail Report Available
Washington

Real Property Tax Svce.
County Clerk
Municipal Assessors

518-746-2130
518-746-2170

By Subscription Only
Home Page Only

Property Detail Report Available
Wayne

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-946-5916
315-946-5971

No Online Information
Home Page Only

Property Detail Report Available
Westchester

Real Property Tax Svce.
Mapping / GIS
County Clerk
Municipal Assessors

914-995-4325
888-416-1623
914-995-3080

Home Page Only
Go to Data Online!
Home Page Only

Comparable Properties Report AvailableProperty Detail Report AvailableTransfer Detail Report Available
Wyoming

Real Property Tax Svce.
County Clerk
Municipal Assessors

585-786-8828
585-786-8810

Home Page Only
Go to Data Online!

Property Detail Report Available
Yates

Real Property Tax Svce.
County Clerk
Municipal Assessors

315-536-5165
315-536-5120

No Online Information
Home Page Only

Property Detail Report Available

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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