25 Riverside Avenue
Description
- Listed by: Pilles, Kristopher • East End Luxury Ltd
Recent comparable sales
Median sold price
$435,000
Avg days on market
38
Sale-to-list ratio
105.2%
Mastic Beach, NY
9 comparable properties found
$450,000
Sold 03/25/26
- 3
- Bedrooms
- 1
- Bathrooms
- 1,263
- Square Feet
- 0.25
- Acres
$435,000
Sold 10/16/25
- 3
- Bedrooms
- 1
- Bathrooms
- 1,218
- Square Feet
- 0.33
- Acres
$540,000
Sold 07/24/25
- 3
- Bedrooms
- 1
- Bathrooms
- 1,222
- Square Feet
- 0.23
- Acres
$465,000
Sold 02/03/26
- 3
- Bedrooms
- 1
- Bathrooms
- 1,310
- Square Feet
- 0.23
- Acres
$450,000
Sold 10/27/25
- 3
- Bedrooms
- 1
- Bathrooms
- 1,250
- Square Feet
- 0.23
- Acres
$410,000
Sold 06/03/26
- 3
- Bedrooms
- 1
- Bathrooms
- 1,175
- Square Feet
- 0.17
- Acres
$415,000
Sold 03/06/25
- 3
- Bedrooms
- 1
- Bathrooms
- 1,300
- Square Feet
- 0.32
- Acres
$420,000
Sold 04/29/26
- 3
- Bedrooms
- 1
- Bathrooms
- 1,176
- Square Feet
- 0.28
- Acres
$252,000
Sold 10/09/24
- 3
- Bedrooms
- 1
- Bathrooms
- Unavailable
- Square Feet
- 0.27
- Acres
Location
Sold By East End Luxury Ltd, Donnellan, Philip
Payment Calculator
$1,948 per month
30 year fixed, 6.55% Interest
$1,067
$881
$0
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1Property Information for 25 Riverside Avenue
- Taxes: $10,573 / year
- MLS Type: Single Family
- County: Suffolk County
- Township: Brookhaven
- View: Water
- Architectural Style: Ranch
- Waterfront: true
- Section Area: Mastic Beach Rd
- Offer Presentation: Can be Present
- Year Built: 1970
- Lot Size: 0.50 AC / 21,780 SF
- Senior Community YN: No
- MLS Area Minor: 25
- MLS District Code: 200
- Directions: Mastic Beach Rd To Riverside
- Tax Block: 100
- Tax Lot: 20000
- Property Attached: No
- Structure Type: Detached
- Permit Required: No
- Building Permit: No
- Bylaws Attached: No
- New Construction YN: No
- Flood Zone Report: No
- Lot Size Source: Other
- Approval Required: No
- Government Approval Pending: No
- School District: William Floyd
- Elementary School District: William Floyd
- Middle Or Junior School District: William Floyd
- HighSchool District: William Floyd
- High School District ID: 32
- Lease Considered: No
- Building Units Total: 1
- Room Level: First
- Room Type: Bedroom
- Parcel Number: 200-94000-100-20000
- Tax Map Number: 200-94000-100-20000
- Additional Fees: No
- Amenities: 1st Floor Bedrm, Dock, Eat in Kitchen, Living Room / Dining Room, Public, Water View, Waterfront
- Interior Features: 1st Fl Master Bedroom, Eat-in Kitchen, Living Room / Dining Room
- Number Of Kitchens: 1
- Total Rooms: 6
- Living Area: 1400.0
- Living Area Units: Square Feet
- Living Quarters: No
- Primary on Main: Yes
- Basement: Full, Unfinished
- Attic Description: See Remarks
- Fireplace: No
- Fireplaces Total: 0
- Location Amenities: Dock/Mooring, 1st Fl Master Bedroom, Eat in Kitchen, Dining Bay Foyer, Water View
- Spa: No
- Exterior Features: Dock
- Exterior Property Features: Dock, Private, Attached
- Elevation Certificate: No
- Construction Materials: Frame
- Waterfront Features: Waterfront
- Horse: No
- Pool Private: No
- Lot Size Dimensions: .50
- Extra Land Available: No
- Building Area Units: Square Feet
- Parking Type: Pvt
- Parking Features: Private, Attached
- Attached Garage: Yes
- Garage: No
- Open Parking: No
- Cooling: No
- Cooling: None
- Heating: Oil, Hot Water
- Heat Fuel Type: Oil, Hot Water
- Water Source: Public
- Green Features: Oil, Hot Water, Dock
- REOYN: Yes
Property History for 25 Riverside Avenue
| Date | Event & Source | Price | Appreciation |
|---|---|---|---|
| Aug 14, 2017 | Sold (Public Record) Public Record #608198159 | $210,000 | — |
| Aug 14, 2017 | Sold (Public Record) Public Record #608198159 | $210,000 | — |
| Date | Event & Source | Price |
|---|---|---|
| 08/14/2017 | Sold (Public Record) Public Record #608198159 | $210,000 |
| 08/14/2017 | Sold (Public Record) Public Record #608198159 | $210,000 |
For completeness, we often displays two records for one sale: the MLS record and the public record.
Public Records for 25 Riverside Avenue
Schools near 25 Riverside Avenue
Rating | School | Type | Grades | Distance |
|---|---|---|---|---|
| Public - | K to 5 | |||
| Public - | 6 to 8 | |||
| Public - | 9 to 12 | |||
| Public - | K to 5 |
Rating | School | Distance |
|---|---|---|
Tangier Smith Elementary School PublicK to 5 | ||
William Paca Middle School Public6 to 8 | ||
William Floyd High School Public9 to 12 | ||
William Floyd Learning Center PublicK to 5 |
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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Nearby home values
| Address | Sold price | Beds | Baths | Sqft | Lot (Sqft) |
|---|---|---|---|---|---|
This home: 25 Riverside Avenue, Mastic Beach, NY 11951 | $210,000 | 3 | 1 | 1,400 | 21,780 |
$582,500 | 3 | 3 | 1,700 | 10,890 | |
$650,000 | 4 | 4 | 3,905 | 16,553 | |
$506,000 | 3 | 3 | 2,125 | 10,890 | |
– | – | – | – | 16,553 | |
$629,000 | 4 | 3 | 2,400 | 10,890 | |
$85,000 | 3 | 1 | – | 33,105 | |
$150,000 | 2 | 2 | – | 25,264 | |
– | – | – | – | 10,890 | |
$280,000 | – | – | – | 10,019 | |
$475,000 | 4 | 2 | – | 28,750 | |
– | – | – | – | 16,117 | |
– | – | – | – | 10,019 | |
$151,500 | 3 | 1 | – | 10,890 | |
– | – | – | – | 10,890 | |
$173,000 | 2 | 1 | – | 21,780 |
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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim 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 seller's discretion. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.
Listing Courtesy of East End Luxury Ltd, Pilles, Kristopher
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. The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS. Information Copyright 2026, OneKey® MLS. All Rights Reserved.