21 William Rd

1,008 Sq. Ft.
$721 / Sq. Ft.
1,008
Sq. Ft.
$721
per Sq. Ft.

Description

Welcome to 21 William Rd in Massapequa! This charming ranch, located in the highly sought-after Plainedge School District, offers 3 bedrooms, 2 full bath, and a spacious finished basement — perfect for additional living space, a home office, or recreation. Enjoy the convenience of baseboard heating, central air conditioning, and an attached 1-car garage. 200 Amp Service, 1 year new CAC, AC also in Basement. Step outside onto a large backyard deck, ideal for entertaining or relaxing in your private...Welcome to 21 William Rd in Massapequa! This charming ranch, located in the highly sought-after Plainedge School District, offers 3 bedrooms, 2 full bath, and a spacious finished basement — perfect for additional living space, a home office, or recreation. Enjoy the convenience of baseboard heating, central air conditioning, and an attached 1-car garage. 200 Amp Service, 1 year new CAC, AC also in Basement. Step outside onto a large backyard deck, ideal for entertaining or relaxing in your private outdoor space. Situated on a 63x100 lot. There's plenty of room for a pool, gardening, play, or future possibilities. Conveniently located near shopping, dining, and mass transit, this home is perfect for those seeking suburban comfort with easy access to everything. Don't miss this opportunity to make 21 William Rd your new home!
  1. Listed by Elaine Patterson • Signature Premier Properties
    P: (516)-799-7100 C: (516)-343-9133 elainep@signaturepremier.com
  2. Listed by Daniel Patterson • Signature Premier Properties
    P: (516)-799-7100 C: (516)-765-6717 danielp@signaturepremier.com

Property Details for 21 William Road

City/Township
Oyster Bay
Architectural Style
Ranch
Garage Spaces
1.00
Waterfront
No
Section Area
Hicksville Rd
LISTING UPDATED: 07/28/2025 10:50 AM

Property Details for 21 William Road

StatusClosed
MLS #838091
Days on Market21
Taxes$15,270 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeSingle Family
Year Built1953
Lot Size0.14 AC / 6,300 SF
CountyNassau County

Location

Listing Courtesy of Signature Premier Properties, Elaine Patterson; Signature Premier Properties, Daniel Patterson

Sold By Signature Premier Properties, Giuseppe Montana

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Building Information for 21 William Road

Stories-Year Built1953Building Size-Lot Size0.14 AC / 6,300 SF

Payment Calculator

$4,816 per month

30 year fixed, 6.15% Interest

Principal and Interest

$3,543

Property Taxes

$1,273

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 21 William Road

Summary
Location and General Information
  • Senior Community YN: No
  • Directions: Southern State Parkway, North on Hicksville Rd (Exit 29), East on William Road.
  • Tax Block: 392
  • Tax Lot: 3
  • Property Attached: No
  • Structure Type: false
  • Levels: One
  • Country: US
  • State Or Province: NY
  • Water Access YN: No
School Information
  • School District: Plainedge
  • Elementary School District: Plainedge
  • Elementary School: Eastplain School
  • Middle Or Junior School District: Plainedge
  • Middle Or Junior School: Plainedge Middle School
  • High School District: Plainedge
  • High School: Plainedge Senior High School
Rental
Rental
  • Lease Considered: No
Unit Information
Unit Information
  • Building Units Total: 1
Room Information
Room 1 Information
  • Room Level: First
  • Room Type: Kitchen
  • RoomDescription 1: Living Room, Eat-in Kitchen, Full Bathroom, Bedroom w/ Walk-in Closet, Bedroom, Bedroom
Room 2 Information
  • Room Level: Basement
  • Room Type: Basement
  • Room Description: Large Finished, Laundry, Utility, Oil Tank, Full Bath
Taxes and HOA Information
Taxes and HOA Information
  • Parcel Number: 2489-52-392-00-0003-0
  • Tax Assessed Value: $475.00
  • Included In Taxes: Sewer,Trash
  • Additional Fees: No
  • Association: No
Interior and Exterior Features
Interior Features
  • Amenities: 1st Floor Bedrm, Bay Window(s), Deck, Eat in Kitchen, Fenced, First Floor Full Bath, Other, Public, Ranch, Wood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen
  • Appliances: Dishwasher, Dryer, Electric Cooktop, Electric Oven, Refrigerator, Stainless Steel Appliance(s), Washer
  • Number Of Kitchens: 1.0
  • Total Rooms: 5
  • Basement: Finished
  • Attic Description: Scuttle
  • Fireplace: No
  • Location Amenities: Stainless Steel Appliances, Fenced, Fenced Yard, 1st Fl Master Bedroom, Eat in Kitchen, Deck
  • Spa: No
  • Door Features: Storm Door(s)
  • Window Features: Bay Window(s)
  • Flooring: Wood
  • Living Area: 1,008.00
  • Foundation Details: Concrete Perimeter
  • Basement: Yes
Exterior Features
  • Exterior Features: Other
  • Exterior Property Features: Other, Deck, Fenced, Bay Window(s), Level
  • Elevation Certificate: No
  • Fencing: Fenced
  • Patio And Porch Features: Deck
  • Construction Materials: Frame
  • Road Frontage Type: Municipal
  • Road Responsibility: Public Maintained Road
  • Horse: No
  • Pool Private: No
Lot Information
  • Lot Features: Level
  • Lot Size Dimensions: 63x100
  • Additional Parcel: No
  • Site Features: Level
  • Building Area Units: Square Feet
Parking
  • Garage: Yes
  • Carport: No
Utilities
  • Cooling: Central Air
  • Heating: Baseboard, Oil
  • Heat Fuel Type: Baseboard, Oil
  • Number Of Heating Zones: 1
  • Sewer: Public Sewer
  • Water Source: Public
  • Utilities: Cable Available, Electricity Available, Phone Connected, Sewer Connected, Trash Collection Public, Water Connected
Green Features
  • Green Features: Bay Window(s), Dishwasher, Dryer, Electric Cooktop, Electric Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Storm Door(s), Baseboard, Oil, Other
Agent
Payment and Rate
  • Down Payment Resource: Yes

Property History for 21 William Road

DateEvent & SourcePriceAppreciation
Jul 25, 2025

Sold (Public Record)

Public Record #1912717260

$727,000
Jul 25, 2025

Sold

ONEKEY #838091

$727,000
May 1, 2025

Pending

ONEKEY #838091

Apr 21, 2025

Temporarily Off Market

ONEKEY #838091

$699,000
Mar 31, 2025

Listed (Active)

ONEKEY #838091

$729,000
DateEvent & SourcePrice
07/25/2025

Sold (Public Record)

Public Record #1912717260

$727,000
07/25/2025

Sold

ONEKEY #838091

$727,000
05/01/2025

Pending

ONEKEY #838091

04/21/2025

Temporarily Off Market

ONEKEY #838091

$699,000
03/31/2025

Listed (Active)

ONEKEY #838091

$729,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 21 William Road

Taxable ValueLand$252Additions$223Total$475
Tax Record2025$14,177 ($1,181 / month)
Home Facts
Beds0Baths1Total Finished SqFt1,008 SqFtAbove Grade Finished SqFt1,008 SqFtStories1Lot Size6,300 SqFtStyleSingle Family ResidenceYear Built1953CountyNASSAUAPN52-392-00-0003

Schools near 21 William Road

This home is within Plainedge Union Free School District.
Rating
School
Type
Grades
Distance
Public - PK to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Eastplain School
PublicPK to 5

Plainedge Middle School
Public6 to 8

Plainedge Senior High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Signature Premier Properties, Elaine Patterson; Signature Premier Properties, Daniel Patterson

Based on information submitted to the MLS GRID as of 07/28/2025 10:50 AM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.