Date
Details
Price
Change
Source
10/09/2026
Listed
$799,999
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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Property Description
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!
Full Property Details
Full Property Details for 21 Sherman Ave
General
- Price: $799,999
- Taxes: $19,169
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 1057887
- Updated: 10/9/2026
- Added to Site: 3 day(s) ago
Interior
- Number of Rooms: 8
- Interior Features: Built-in Features, Formal Dining, Open Kitchen, Original Details, Other, Storage
- Appliances: Other
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 1
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
Parking
- Parking Features: Driveway
Location
- County: Nassau County
School Information
- High School District: Rockville Centre
- Elementary School: Wilson Elementary School
- Middle School: South Side Middle School
- High School: South Side High School
Heating & Cooling
- Cooling Type: Wall/Window Unit(s)
- Heating Type: Natural Gas, Oil, Radiant, Steam, Other
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Structural Information
- Architectural Style: Colonial
- Detached/Attached: Detached
- Construction: Frame, Shingle Siding, Wood Siding
- Basement: Yes
- Basement Desc.: Unfinished
- Building Size: 1977
- Square Feet: 1,977
- Sq. Ft. Source: Public Records
- Year Built: 1926
Lot Features
- Lot Size (Acres): 0.1492
- Lot Size (Sq. Ft.): 6,500
- Lot Features: Back Yard, Front Yard
Financial Considerations
- Tax Amount: $19,169
Disclosures and Reports
- Special Conditions: None
- Property ID: 2029-38-274-00-0103-0
Listed by Irontide Realty Llc
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Listing agent
— 21 Sherman Ave —
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Schools
Schools serving 21 Sherman Ave
School District:Rockville Centre Union Free School District
| Name | Grades | Distance |
|---|---|---|
Wilson School 25 Buckingham Road, Rockville Centre, NY 11570 | K-5 | 0.6 mi |
South Side Middle School 67 Hillside Avenue, Rockville Centre, NY 11570 | 6-8 | 0.7 mi |
South Side High School 140 Shepherd Street, Rockville Centre, NY 11570 | 9-12 | 0.6 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 21 Sherman Ave
Tax History
Tax History for 21 Sherman Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$14,018
933%
$574
—
2024
$1,357
-91%
$574
-5%
2023
$15,914
-4%
$604
5%
2022
$16,619
-16%
$574
-3%
2021
$19,848
-3%
$594
-56%
2020
$20,506
8%
$1,352
—
2018
$19,031
12%
$1,352
—
2016
$16,922
4%
$1,352
—
2016
$16,263
-21%
$1,352
—
2019
$20,506
59%
$1,352
—
2014
$12,917
—
$1,352
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 21 Sherman Ave
21 Sherman Avenue, Rockville Centre, NY 11570 (MLS# 1057887) is a Single Family property with 4 bedrooms, 1 full bathroom and 1 partial bathroom. 21 Sherman Avenue is currently listed for $799,999 and was received on October 09, 2026. Want to learn more about 21 Sherman Avenue? Do you have questions about finding other Single Family real estate for sale in Rockville Centre? You can browse all Rockville Centre real estate or contact a Coldwell Banker agent to request more information.