20 William St
Glen Cove, NY 11542
6 bd 3 ba 2,748 sqft Built 1977 Lot 8,954 sqft multi_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
No timeline data
No sale, listing, or tax history is recorded for this property.
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
No tax assessment data
No assessment history available for this parcel.
Property facts
Year built
1977
Property type
multi_family
Stories
—
Beds
6
Baths
3
Living area
2,748 sqft
Lot size
8,954 sqft
ZIP code
11542
City
Glen Cove
Street
William St
Coordinates
40.84773, -73.63462
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 William St last sell?
No public-record sale is on file for 20 William St.
What is the current tax assessment for 20 William St?
No tax-assessment history is recorded for this parcel.
When was 20 William St built?
20 William St was built in 1977.
How does 20 William St compare to others on William St?
We track 5 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 20 William St?
20 William St is a 6 bed, 3 bath, 2,748 sqft, 8,954 sqft lot multi_family.
Is 20 William St a flip candidate?
No — 20 William St does not appear in our flips dataset.
Is 20 William St a tax-appeal candidate?
No — 20 William St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.0%
Implied 1-yr
+7.9%
2026 Q2
$1.08M
2026 Q3
$1.1M
ZIP 11542 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St