26 Knowles St, Plainview, NY 11803 Property Records

Nassau County and Oyster Bay Town property record for 26 Knowles St, Plainview, NY 11803 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2.5 Baths
Year Built	Built 1957
Square Footage	1,946 sqft Living Area
Lot Size	7,035 sqft (0.162 acres)
Garage	Attached, 228 sqft
Pool	512 sqft
Occupancy	Owner Occupied
Tax Bill	$16,428.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`12-490-00-0045`
Alternative APNs	`2489-12-490-00-0045-0` `12490000045000000000` `282489 12.-490-45` `12490 00450`

Interior

Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	1,946 sqft Living Area
Gross Area	2,174 sqft Gross Area
1st Floor	1,350 sqft 1st Floor
Basement Area	338 sqft Basement
Finished Basement	338 sqft Finished
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	Split Level Style
Exterior Material	Aluminum/Vinyl Exterior
Construction Type	Frame Construction
Roof Material	Other (not Classified) Roof
Lot Area	7,035 sqft (0.162 acres)
Depth X Width	109 ft x 68 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	228 sqft Garage

Exterior Amenities

Pool Area	512 sqft Pool
Balcony Area	90 sqft Balcony
Deck Area	288 sqft Deck
Patio Area	288 sqft Patio
Porch Area	96 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating
Heating Fuel	Oil Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Account Number	12490 00450
Street Address	26 KNOWLES ST
City	PLAINVIEW
State	NY
Zip	11803-3926
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 019
Legal Subdivision	MORTON VLG SEC 9
Legal Block	490
Legal Lot Number	45
Jurisdiction	NASSAU NY
Minor Civil Division	OYSTER BAY
Census Blockgroup	2
Census Block	2009
Census Tract	519704

Owner

Source: Nassau County and Oyster Bay Town records · APN 12-490-00-0045

Assessment roll updated June 17, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	26 KNOWLES ST, PLAINVIEW, NY 11803-3926
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Jan 27, 2017
Transfer Doc	0134780386
Record Refreshed	Sep 20, 2026

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NASSAU NY
Recording Date	Feb 28, 2017
Property Address	26 KNOWLES ST, PLAINVIEW, NY 11803-3926
Document Number	0134780386
Book / Page	013478 / 000386
Instrument Date	Jan 27, 2017
Instrument	21316
Transaction Type	Transfer
Record Updated	Jan 14, 2020
Title Company	MKM ABSTRACT SERVICES INC

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	165 HUNTINGTON ST BROOKLYN NY 112313916, BROOKLYN, NY 11231-3916

Tax Assessment & Valuation

Source: Nassau County and Oyster Bay Town records · Assessment roll updated June 17, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Oyster Bay Town
Unified School District	Plainview-Old Bethpage Central School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$578 (-2.36%) Land $249 Building $329	$578,000 (-2.36%)
2025	$16,428.00 (+17.05%) Homeowner's exemption Senior Citizen's exemption	$592 (-1.33%) Land $255 Building $337	$592,000 (-1.33%)
2023	$14,035.00 Homeowner's exemption Additional exemption filed	$600 Land $258 Building $342	$600,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Nassau County (36059C), updated April 5, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.