47 S 20th Street, Wyandanch, NY 11798

$480,000 · 6 bed · 2 bath · 2,108 sq ft · built 1972 · MLS# 1065656 · Active

Endless Opportunities! 6-Bedroom, 2-Bathroom Multi-Generational Home with Legal Accessory Apartment ! Bring your vision and tool belt to 47 S 20th St, a large raised ranch property packed with unmatched potential! This house needs work, but it represents a rare, high-yielding find for savvy investors, flippers, or handy homeowners looking to build immediate sweat equity. The standout feature of this property is its legal Certificate of Occupancy (CO) for an accessory apartment, complete with a fully separate entrance. The property boasts an incredibly flexible layout meticulously designed to maximize space.…

Single-family homes in the Wyandanch Union Free School District sold for a median of $585,000 (typically $510,000–$670,000) across 73 recorded sales between Oct 22, 2025 and Sep 25, 2026, up 10.4% on the 12 months before. This home's $480,000 list price sits in the entry single-family tier for the Wyandanch Union Free School District.

ZIP 11798 has about 4.5 months of single family inventory — balanced market. Supply and demand are roughly even, so buyers and sellers share leverage with fair, predictable pricing.

At about $12,531 a year, this home's property tax runs roughly 14% above the $11,000 typical for Wyandanch Union Free School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. Exemptions such as STAR, Senior or Veteran move the number as well — a new owner's bill is often not the same as the seller's.

OneKey MLS (recorded LI sales, trailing 12mo) + actual tax