Price Reduced32
$899,000
3 bd · 2 ba · 2,250 sqft
18 Walnut Avenue, Brookhaven, NY
Edward Schmidt · Douglas Elliman Real Estate

No listing photos
3
Beds
2
Baths
2,154
Sqft
1968
Year built
Range $794,573 – $931,605 · as of July 14, 2026
ATTOM automated valuation model · 53 published estimates over 6.5 years · shaded band is the model's own published low-to-high range
Highest reading $863,089 in July 2026; lowest $598,049 in January 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$172,618
Estimated monthly payment
$5,632/mo
Loan amount $690,471. Estimate only — your actual rate and payment depend on credit, location, and lender.
2025 roll
School ratings (A+ to F) from HJN community data.
Montessori School at Old Field
PK-1 · Montessori
2 students · 2.0:1 student–teacher
Setauket Elementary School
PK-5 · Regular · Three Village Central School District
599 students · 12.4:1 student–teacher
P.J. Gelinas Middle School
6-8 · Regular · Three Village Central School District
651 students · 10.5:1 student–teacher
Port Jefferson Middle School
6-8 · Regular · Port Jefferson Union Free School District
224 students · 9.2:1 student–teacher
Earl L. Vandermeulen High School
9-12 · Regular · Port Jefferson Union Free School District
313 students · 8.9:1 student–teacher
Minnesauke Elementary School
PK-5 · Regular · Three Village Central School District
644 students · 12.0:1 student–teacher
The Stony Brook School
7-12 · Regular
442 students · 10.1:1 student–teacher
Edna Louise Spear Elementary School
PK-5 · Regular · Port Jefferson Union Free School District
370 students · 10.0:1 student–teacher
Within 2 miles of this home: 2 restaurants and cafés, 3 grocery stores, 14 parks and green spaces, and 2 transit stops.
Place data from OpenStreetMap.
Se-port Delicatessen
Main Street
Starbucks
Route 25A
Stop & Shop
Route 25A
Wild by Nature
Route 25A
King Kullen
Route 25A
Little Bay State Tidal Wetland
Old Field Beach
Frank Melville Memorial Preserve
Setauket Mill Pond
Mill Pond
Frank Melville Memorial Park
Setauket Lake
East Setauket Pond Park
S60&S76 West
S60 & S76 East
OneKey MLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Price Reduced32
$899,000
3 bd · 2 ba · 2,250 sqft
18 Walnut Avenue, Brookhaven, NY
Edward Schmidt · Douglas Elliman Real Estate
45$900,000
4 bd · 3 ba · 2,232 sqft
18 Robert Townsend Drive, Brookhaven, NY
Suzanne Parlatore SRES CRS · Realty Connect USA L I Inc · on 2 MLSs
29$749,900
4 bd · 3 ba · 1,716 sqft
385 Main Street, Brookhaven, NY
Kenneth P. Kroncke · BH&G R E Realty Connect · on 2 MLSs
New25$849,999
2 bd · 3 ba · 1,700 sqft
33 Blair Road, Brookhaven, NY
Kevin J. Record · Coldwell Banker American Homes
38$749,000
3 bd · 3 ba · 2,000 sqft
208 Erik Drive, Brookhaven, NY
Matthew Hart · World Prop Intl Sea to Sky
38$819,999
3 bd · 3 ba · 1,900 sqft
224 Erik Drive, Brookhaven, NY
Devang Patel SRES · Douglas Elliman Real Estate




