Real Estate Data API

Williamsville NY

188 active listings out of 15K total properties we track across 7 Williamsville ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
188
Median
$425K
-0.1%
Sold Sep
53
-1.9%
Tracked
15K

Download Williamsville, NY property data

7,908,392 property records for all of New York — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Files are published by ZIP, county and state; this city is inside the state file.

Download free · as of Oct 2026

Monthly snapshot · 486.3 MB Parquet · CSV (1.3 GB)

Records keep changing after a snapshot is compiled.

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Zoomed out

While you're here, take in the bigger picture — maps below show New York (statewide), not just Williamsville. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 188 currently-active listings in Williamsville, NY. Full dataset covers 15K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 29 (15.5%)
$300K–$500K 101 (54%)
$500K–$750K 39 (20.9%)
$750K–$1M 14 (7.5%)
$1M–$2M 3 (1.6%)
$2M+ 1 (0.5%)
Active by bedroom count
Studio/1 bd 0
2 bd 31
3 bd 70
4 bd 73
5+ bd 14
Active by property type
Single Family 162 (86.2%)
Condo 21 (11.2%)
Multi Family 3 (1.6%)
Lot 1 (0.5%)
Other 1 (0.5%)
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Get Williamsville, NY data in your app

curl
request
GET https://api.straply.com/v1/markets/city/williamsville-ny
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "williamsville-ny",
  "total_tracked": 14527,
  "active": 188,
  "median_list": 425000
}

Williamsville, NY real estate: market summary

As of November 2026, Straply tracks 14,527 homes in Williamsville, NY, with 188 active for sale at a median list price of $425,000 (~$217/sq ft). Notably, most homes were built in the 1960s.

Median list price
$425,000
Median $/sq ft
$217
Active listings
188
Median sale price
$432,000 (-0% YoY)
Properties tracked
14,527

Frequently asked: Williamsville, NY real estate

What is the median home price in Williamsville?

The median list price in Williamsville, NY is $425,000 (about $217 per square foot), based on 188 active listings tracked by Straply as of November 2026.

What price range are homes in Williamsville?

Active listings in Williamsville, NY concentrate in: 54% $300k–$500k and 21% $500k–$750k.

Are home prices in Williamsville going up or down?

The median sale price is $432,000, down 0% year over year. Straply tracked 451 sales here over the past 12 months.

How many homes are for sale in Williamsville?

Straply is tracking 188 active listings in Williamsville, NY out of 14,527 properties on record as of November 2026.

How old are the homes in Williamsville?

Most homes in Williamsville, NY were built in the 1960s. About 26% were built after 1980, while 8% predate 1940. The newest tracked home dates to 2026.

What types of homes are in Williamsville?

Williamsville, NY is mostly single-family homes (86% of listings). Also common: condos 11%.

How many bedrooms do homes in Williamsville typically have?

The most common size in Williamsville, NY is 4 bd.

What areas are near Williamsville?

Nearby markets Straply also tracks include Getzville, Amherst, East Amherst, Cheektowaga.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.