Nassau County » 11735 » Conklin Ave » 689 Conklin Ave

689 Conklin Avenue, Farmingdale, NY Property Information

Q: How many residential units does this building have?

This building has 5 residential units and 0 commercial spaces.

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Address

Primary address	689 Conklin Avenue, Farmingdale
Zip code	11735
County	Nassau

Town/City	Oyster Bay
Village (swiss code)	Farmingdale
Parcel ID	49-85-68

Sales & Tax Overview for 689 Conklin Avenue, Farmingdale

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date	10/15/2020
Sale price	$792,500

Arm's length	Register
Current property tax	$20,187

Lot & Building Information for 689 Conklin Avenue, Farmingdale

Building sqft	4,171
Building class	4-6 Family Apartments (411.22)
Land	Primary site
Topography	Level

Acreage	0.187
Buildings on lot	1
Year built	1901
Stories	1

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Register (See more on map)
Capitalization rate	Register

Street	Paved
Traffic	Heavy
Area type	Neighborhood or spot
School district	Farmingdale UFSD

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Commercial Buildings

Square footage	Structure	Grade	Year built	Stories
4,171	Apartments-4 to 6 units	C	1901	1

Floor Distribution

Floors	Square footage	Use	Construction	Condition	Exterior wall	Heating	Plumbing
B1-B1	1,301	Support area	Register	Register	Register	Register	Register
01-01	1,948	Apt 4 to 6 units	Register	Register	Register	Register	Register
02-02	1,573	Apt 4 to 6 units	Register	Register	Register	Register	Register
03-03	650	Apt 4 to 6 units	Register	Register	Register	Register	Register

Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.

Apartment Mix

See the number of units in the building and the rent per apartment.

Income and Expenses

Check out a breakdown by type of rentable square feet and the rent charged for each, including detailed info on expenses, gross/net income, income and expense rate.

Other Property Data for 689 Conklin Avenue, Farmingdale

Property reports include comprehensive occupancy, improvement and development information (where available).
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• Improvements for 689 Conklin Avenue, Farmingdale , including their type, square footage, grade and when they were built.

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About 689 Conklin Avenue, Farmingdale

What is the year built & the total sq. ft. for 689 Conklin Avenue, Farmingdale, NY?

689 Conklin Avenue, Farmingdale, NY was built in 1901 and has a total of 4,171 square feet.

What is the assessed value of 689 Conklin Avenue, Farmingdale, NY and the property tax paid?

Assessed at $4,403, the tax amount paid for 689 Conklin Avenue, Farmingdale, NY is $20,187.

When was 689 Conklin Avenue, Farmingdale, NY last sold and what was the last sale price?

689 Conklin Avenue, Farmingdale, NY was last sold in 10/15/2020 for $792,500.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips

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Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs

Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million

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Past Sales & Property History for 689 Conklin Avenue, Farmingdale

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*Here are the three most recent sales for this property.

More about Nassau County Property Records

Title Documents for 689 Conklin Avenue, Farmingdale

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Date	Type	Amount	Party 1	Party 2
10/15/2020 - R	Deed (Deed commercial/vacant land)
10/15/2020 - R 07/15/2020 - D	Deed (Deed commercial/vacant land)
09/21/2011 - R 09/14/2011 - D	Deed
03/28/2005 - R 03/14/2005 - D	Deed

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R: Recorded date
D: Document date

Property Taxes for 689 Conklin Avenue, Farmingdale

Access detailed property tax data for 689 Conklin Avenue, Farmingdale, NY. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2026
Property tax	$20,188
Tax class	Register
Market value	$440,300
Assessed value	$4,403

Transitional assessed value	Register

More about Nassau County Property Taxes

Assessment History for 689 Conklin Avenue, Farmingdale

Here's the assessment & property tax history for 689 Conklin Avenue, Farmingdale, including the evolution of the total tax rate and corresponding property tax.

Year	Market value	Assessment value	Total tax rate	Property tax	Year over year change
2026	$440,300	$4,403	458.504	$20,188	+4.17%
2025	$440,300	$4,403	441.756	$19,380	+4.69%
2024	$440,320	$4,403	444.582	$18,512	+0.42%
2023	$440,300	$4,403	467.913	$18,436	-18.56%
2022	$440,300	$4,403	514.113	$22,636	-6.52%

Permits for 689 Conklin Avenue, Farmingdale

The complete history of permits filed for 689 Conklin Avenue, Farmingdale, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Demographics by Zip Code

Total population	32,028
Median age	41.8
Average household income	$169,023
Family households	72.5%
Occupied housing units	11,045

Owner occupied units	82.3%
People per household (average)	2.82
Median year structure built	1958
Median value for units with a mortgage	$602,300
Median value for units without a mortgage	$568,500

Risk

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FEMA flood zone(s)	X (See more on map)

Transportation

Access the detailed traffic volume map for 689 Conklin Avenue, Farmingdale to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Neighbors for 689 Conklin Avenue, Farmingdale

Here are the neighbors for 689 Conklin Avenue, Farmingdale.

Address	Square feet	Purchase date	Purchase price
70 Maple St, Farmingdale	3,024	05/11/2009
601 Conklin St, Farmingdale	1,380	12/06/2024	$700,000
262 Eastern Pkwy, Farmingdale	14,966	12/26/2013	$3,982,610
60 Prospect Pl, Farmingdale	2,392	03/04/2013	$525,000
26 Maple St, Farmingdale	1,274	01/20/2012	$330,000
60 Maple St NE, Farmingdale	2,210	02/06/2019
685 Conklin, Farmingdale	6,656	02/23/2008
675 Conklin St, Farmingdale	18,082	01/30/2006	$5,960,000
623 Conklin St, Farmingdale	2,370	09/02/2010	$240,000
633 Conklin St, Farmingdale	2,465	03/13/2023	$425,000
66 Maple St, Farmingdale	1,949	10/28/2019	$543,000
276 Eastern Pkwy, Farmingdale	3,540	12/26/2013	$1,092,390
587 Conklin St, Farmingdale	2,001
591 Conklin St, Farmingdale	1,474	12/16/2025	$689,000
611 Conklin St, Farmingdale	1,472	06/22/2010	$341,320
80 Oakview Ave, Farmingdale	1,901	07/13/2009
22 Maple St, Farmingdale	1,650	09/28/2020
24 N Maple St, Farmingdale	1,484	09/08/2023	$665,000
38 Oakview Ave, Farmingdale	1,162
40 Oakview Ave, Farmingdale	1,820	07/28/1998

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