This home's estimate is 42.9% higher than the average sale price ($1.06M) of 6 comparable homes.
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- Sale & tax history
- Property details
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421 River Rd, Saint James, NY 11780
About this home
Welcome to 421 River Road. This meticulously maintained residence, cherished by a single family, showcases 5 bedrooms, 2.5 bathrooms, and a timeless design spanning 3,821 SqFt of living space on 2.8 acres and captivating winter river views. Sun-soaked interiors through abundant skylights and tile roofing create a naturally radiant ambiance. The front great room and living room's double doors seamlessly meld indoor and outdoor areas, leading to an expansive river-facing front patio. Seclusion is assured by the strategic placement of the house farther back on the property. The second-floor bedrooms extend the allure with personal roof balconies, providing elevated escapes. The primary suite features a cedar walk-in-closet adorned with an ensuite bathroom including a double vanity, a rejuvenating shower, a jetted tub, and enhanced by skylights. This property truly embodies sophistication and tranquility, inviting you to become part of its storied history. Dual attached 2-car garages accommodating 4 cars total, an expanse of land perfect for horses, and an inviting inground pool complete the offerings of this home's first ever offering to the public. The sale of this remarkable property encompasses a unique opportunity as it also includes, with its value duly reflected in the price, the ownership of the adjacent .28-acre property across the road, nestled along the serene riverfront. This combined offering enhances the total acreage featured in the listing and encompasses the comprehensive taxes, totaling $165.64, encompassing both town and village taxes, further enhancing the exceptional value of this exquisite package. Nearby are local beaches, fine restaurants, shopping district and Stony Brook University and Medical Center. Smithtown Schools.
Redfin Estimate
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Market trends in 11780, NY
Last updated September 2026
Buyer's Market
Seller's Market
Seller's market
0 days MoM
- NEW 31 HRS AGO$579,8032 beds2 baths1,321 sq ft1406 Gotham Ct W, Saint James, NY 11780Listing by Signature Premier Properties
- COMING SOON$979,0004 beds2.5 baths2,064 sq ft3 Gate Rd, Head Of The Harbor, NY 11780Listing by Daniel Gale Sothebys Intl Rlty
- OPEN THU, 6PM TO 7PM$699,0003 beds3 baths1,354 sq ft296 Moriches Rd, Smithtown, NY 11780Listing by BH&G R E Realty Connect
- 3D WALKTHROUGH$2,300,0003 beds3 baths4,500 sq ft595 Moriches Rd, Nissequogue, NY 11780Listing by Daniel Gale Sothebys Intl Rlty
- $799,0004 beds2.5 baths2,280 sq ft14 King Arthurs Court King Arthurs Ct E #14, Saint James, NY 11780Listing by Hampton Estates Realty LLC
- 3D WALKTHROUGH$670,0003 beds2 baths1,600 sq ft365 Van Buren St, Saint James, NY 11780Listing by Howard Hanna Coach
- $724,9004 beds1 bath1,750 sq ft240 Washington Ave, Saint James, NY 11780Listing by Signature Premier Properties
- 3D WALKTHROUGH$1,999,0005 beds3.5 baths4,600 sq ft89 Harbor Rd, Head Of The Harbor, NY 11780Listing by Daniel Gale Sothebys Intl Rlty
- $1,300,0004 beds2.5 baths2,750 sq ft6 Patricks Way, Saint James, NY 11780Listing by BH&G R E Realty Connect
- 3D WALKTHROUGH$999,0004 beds2.5 baths2,573 sq ft30 Damin Cir, Saint James, NY 11780Listing by Signature Premier Properties
See all
Provided by Redfin
Sale history for 421 River Rd
$296/sq ft
$296/sq ft
$337/sq ft
$337/sq ft
Tax history for 421 River Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Property details
Parking
- Parking Information
- Parking Features: Attached, Driveway, Garage, Private
Interior
- Fireplace Information
- Has Fireplace
- Fireplaces Total: 2
- Heating & Cooling
- Cooling: Central Air
- Heating: Forced Air, Oil
- Interior Features
- Interior Features: Cathedral Ceiling(s),Central Vacuum,Eat-in Kitchen,Entrance Foyer,Formal Dining,Granite Counters,Primary Bathroom,Walk-In Closet(s)
- Window Features: Skylight(s)
- Appliances: Dishwasher, Dryer, Washer, Oil Water Heater
- Flooring: Carpet, Hardwood
- Levels: Three Or More
- Patio And Porch Features: Patio
- Room Information
- Room Description: Foyer - Skylit, Tile Checker Floor, Coat Closet||Great Room - Hard Wood Flooring, Brick Fireplace, Double Doors Overlooking Front of Property||Living Room - Parquet Hard Wood Flooring, Brick Fireplace, Double Doors Overlooking Front of Property||Formal Dining Room, Parquet Hard Wood Flooring||Tile Flooring, Spacious L-Shaped Island, Dry Bar, Sky-Lit Eat-in-Kitchen With Oversized Windows Outlooking Property||Sun-Room - Slate Tile Flooring with Cathedral Sky Light, Surrounding Double Doors Leading to Backyard||Laundry - Front Loading Machines, Cabinets, Utility Sink||Half Bathroom - Tile Floor||Primary Bedroom - Walk-in-Closet, Floor-to-Floor Carpet, On-Suite Bathroom, Private Roof-Balcony||Primary Bathroom - Full Bath with Jets, Shower, Double Vanity, Powder Vanity with Cabinets, Sky-Lights||Communal Bathroom - Tile Floor, Full Bath, Stand-up-Shower||Bedroom 2 - Wall-to-Wall Carpet, Closet||Bedroom 3 - Wall-to-Wall Carpet, Closet, Private Balcony||Bedroom 4 - Wall-to-Wall Carpet, Closet, Private Balcony||Bedroom 5 - Wall-to-Wall Carpet, Closet, Private Balcony||Full-Unfinished Basement, Storage, Utilities, Access to 2-Car Garage
- Basement YN: No
- Attic: Full,Unfinished
- Rooms Total: 13
- Basement: Partial, Unfinished
- Additional Rooms: Library/Den
- Bathroom Information
- Bathrooms Full: 2
- Bathrooms Half: 1
Exterior
- Exterior Features
- Exterior Features: Balcony, Private Entrance, Private Roof
- Construction Materials: Brick
- Other Structures: Shed(s)
- Security Features: Security Gate, Security System
- Pool Information
- Has Private Pool
- Pool Features: In Ground
- Lot Information
- Additional Parcels YN: No
- Lot Features: Part Wooded, Sloped, Sprinklers In Front, Sprinklers In Rear
- Property Information
- Living Area Source: Plans
- Property Sub Type: Single Family Residence
Financial
- Tax Information
- Tax Section: 11
- Tax Annual Amount: $29,155.23
- Financial Information
- Buyer Financing: Conventional
Utilities
- Utility Information
- Electric: Generator
- Sewer: Cesspool
Location
- School Information
- Elementary School: St James Elementary School
- Middle Or Junior School: Nesaquake Middle School
- High School: Smithtown High School-East
- High School District: Smithtown
- Location Information
- Village: Nissequogue
- Directions: Google Maps
- County Or Parish: Suffolk County
Public facts
- Beds: 5
- Baths: 2.5
- Sq. Ft.: 3,907
- Stories: 2.0
- Lot Size: 2.53 acres
- Style: Single Family Residential
- Year Built: 1971
- Year Renovated: —
- County: Suffolk County
- APN: 0802011000300007000
Around this home
Schools
Public K-5 • Assigned • 1.7mi
Public 6-8 • Assigned • 1.1mi
Public 9-12 • Assigned • 1.6mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 95° expected this year, 15 days in 30 years
80% chance of strong winds in next 30 years
3 unhealthy days expected this year, 5 days in 30 years
Sun exposure
In this area, properties receive around 8.8 hours in June and 4.5 hours in December, placing it below the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 11780
Home values near 421 River Rd
| Address | Redfin Estimate |
|---|---|
- Beds | 1 Baths | 1600 Sq. Ft. | $575,499 |
4 Beds | 2.5 Baths | - Sq. Ft. | $1,227,277 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 3 Baths | - Sq. Ft. | $917,891 |
4 Beds | 2.5 Baths | 3377 Sq. Ft. | $1,267,957 |
| Address | Redfin Estimate |
|---|---|
6 Beds | 6.5 Baths | - Sq. Ft. | $3,456,514 |
5 Beds | 4.5 Baths | 4327 Sq. Ft. | $1,228,128 |
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