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21 Sherman Avenue, Rockville Centre NY 11570
21 Sherman Avenue, Rockville Centre NY 11570
New York>Rockville Centre

21 Sherman AvenueRockville Centre, NY 11570

For Sale

$799,999

Smart Buyer Rebate $7,500

Bring your vision to this Colonial in Rockville Centre! In need of updating and repairs, this home offers tremendous potential to restore its charm, personalize the space, and add value. Features include a full basement and an attic with a dramatic, triangular ceiling reaching approximately 14 feet at its peak. An exciting opportunity for buyers ready to make it their own. Photos have been digitally edited to remove clutter and personal belongings and do not reflect the home’s current contents. The home will be delivered broom clean at closing. Showings by appointment only—schedule your visit to explore the possibilities!

Listed by Gill Cohen

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IRONTIDE REALTY LLC

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516-477-8107

Last updated October 21, 2026

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Source: OneKey #1057887

Listing Facts

  • TypeSingle-family
  • NeighborhoodRockville Centre
  • Bedrooms4
  • Bathrooms2
  • Days on Prevu22
  • Taxes$19,169/year
  • Size1,977 sqft
  • Price per sqft$405

Amenities

  • Parking

Location

Mortgage Calculator

Listing History

10/09/2026
Listed by IRONTIDE REALTY LLC
$799,999
  1. 10/09/2026$799,999
    Listed by IRONTIDE REALTY LLC

Property Details for 21 Sherman Avenue

Exterior

Construction

  • Property Condition: Fixer
  • Year Built: 1926
  • Architectural Style: Colonial
  • Construction Materials: Frame, Shingle Siding, Wood Siding

Measurements

  • Building Area Total: 1,977
  • Building Area Units: Square Feet
  • Lot Features: Back Yard, Front Yard
  • Lot Size Acres: 0.14
  • Lot Size Square Feet: 6,500

Financial

Taxes

  • Parcel Number: 2029-38-274-00-0103-0
  • Tax Annual Amount: $19,169.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Other
  • Interior Features: Built-in Features, Formal Dining, Open Kitchen, Original Details, Other, Storage

Measurements

  • Living Area: 1,977
  • Living Area Source: Public Records

Rooms

  • Basement: Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 4
  • Rooms Total: 8

Parking

Parking

  • Parking Features: Driveway

Schools

Elementary School

  • Elementary School: Wilson Elementary School
  • Elementary School District: Rockville Centre

High School

  • High School: South Side High School
  • High School District: Rockville Centre

Middle or Junior School

  • Middle Or Junior School: South Side Middle School
  • Middle Or Junior School District: Rockville Centre

Utilities

Equipment

  • Cooling: Wall/Window Unit(s)
  • Heating: Natural Gas, Oil, Radiant, Steam, Other
  • Sewer: Public Sewer
  • Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 2 bathrooms in this single-family home at 21 Sherman Avenue.

What schools are nearby to 21 Sherman Avenue?

Nearby schools include the Wilson Elementary School, South Side Middle School, and South Side High School.

What are the annual taxes for 21 Sherman Avenue?

Annual taxes for this single-family home are estimated at $19,169.

How does 21 Sherman Avenue compare to other single-family homes in Rockville Centre?

This single-family home is listed 25% below the average price for single-family homes in Rockville Centre and has been on the market for 51 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 1,977 sqft.

21 Sherman Avenue is a 4-bedroom, 2-bath single-family home for sale in Rockville Centre NY 11570. On Prevu for 22 days at $799,999. This home features 1,977 square feet of living space, located in Rockville Centre. The median listing price for single-family homes in this area is $837,000. Nearby schools include Wilson Elementary School, South Side Middle School, and South Side High School. Property amenities include parking. Browse more single-family home listings in New York.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.