21 Byron Rd, Commack, NY 11725 Property Records

Suffolk County and Smithtown Town property record for 21 Byron Rd, Commack, NY 11725 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2.5 Baths
Year Built	Built 1959
Square Footage	1,544 sqft Living Area
Lot Size	12,632 sqft (0.29 acres)
Occupancy	Owner Occupied
Last Sale	$760,000 (2022)
Tax Bill	$14,356.00 (2024)

Owner

Source: Suffolk County and Smithtown Town records · APN 473489 63.-3-38

Assessment roll updated August 11, 2026 · Last verified August 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	21 BYRON RD, COMMACK, NY 11725-1327
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 Sale	Sep 01, 2022 · Amount on Record
Deed Sale	Sep 01, 2022 · Amount on Record
Prior Sale	Jun 05, 2013 · Amount on Record
Deed Book / Page	13172 / 475
Prior Transfer Date	May 03, 2011
Prior Transfer Doc	0126650642
Record Refreshed	Sep 20, 2026

September 2022: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Sep 01, 2022
Property Address	21 BYRON RD, COMMACK, NY 11725-1327
Document Number	0131720475
Book / Page	13172 / 475
Instrument Date	Apr 19, 2022
Transaction Type	Transfer
Record Updated	Apr 03, 2026

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	258 GLENGARIFF RD, MASSAPEQUA PARK, NY 11762-3104

Mortgage

Document Number	0023454280
Date	Sep 01, 2022
Instrument	23454/280

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Stand Alone First Mortgage
Amount	Amount Recorded
Term	349 Months
Due	Oct 01, 2051

Tax Assessment & Valuation

Source: Suffolk County and Smithtown Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Smithtown Town
Unified School District	Commack Union Free School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$5,205 (-) Land $360 Building $4,845	$650,625 (+10,774.56%) Land $45,000 Building $605,625
2024	$14,356.00
2023		$5,205 (-) Land $360 Building $4,845	$5,983 (+12.65%) Land $414 Building $5,569
2022	Homeowner's exemption	$5,205 Land $360 Building $4,845	$5,311 Land $367 Building $4,944

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · 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.

Property Details

APN / Parcel Number

Primary APN	`473489 63.-3-38`
Alternative APNs	`0800-063.00-03.00-038.000` `348906300000030380000000` `47340015989`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Building Area	1,544 sqft Living Area
Gross Area	1,788 sqft Gross Area
1st Floor	854 sqft 1st Floor
2nd Floor	690 sqft 2nd Floor
Stories	2 Stories

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Colonial Style
Exterior Material	Aluminum/Vinyl Exterior
Lot Area	12,632 sqft (0.29 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	244 sqft Garage
Pool Area	684 sqft Pool
View	Suburban View

Utilities and HVAC

Heating System	HVAC Heating
Heating Fuel	Gas Heating Fuel
Sewage	Sewage Connected
Water Source	Commercial Water Source

Location & Zoning

Street Address	21 BYRON RD
City	COMMACK
State	NY
Zip	11725-1327
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	12-481151 TC-52 *2761 SEC H LOT 357 MAYFAIR ESTS
Legal Subdivision	MAYFAIR ESTATES
Legal Block	3
Legal Lot Number	38
Jurisdiction	SUFFOLK NY
Minor Civil Division	SMITHTOWN
Census Blockgroup	2
Census Block	2012
Census Tract	135102