Real Estate Data API

53191 Williams Bay

68 active listings out of 2.7K total properties we track in ZIP 53191 (Williams Bay, WI) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
68
Median
$522K
±0%
Sales (12mo)
92
Tracked
2.7K
Zoomed out

While you're here, take in the bigger picture — maps below show Wisconsin (statewide), not just 53191. Same company, same dataset, different resolution.

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Key Numbers
Tracked
2.7K
Active
68
Median list
$522K
Sales (12mo)
92
Get this data →
Key Numbers
Tracked
2.7K
Active
68
Median list
$522K
Sales (12mo)
92
Get this data →
Key Numbers
Tracked
2.7K
Active
68
Median list
$522K
Sales (12mo)
92
Get this data →
Key Numbers
Tracked
2.7K
Active
68
Median list
$522K
Sales (12mo)
92
Get this data →
Key Numbers
Tracked
2.7K
Active
68
Median list
$522K
Sales (12mo)
92

Inventory breakdown

Distribution of the 68 currently-active listings in ZIP 53191. Full dataset covers 2.7K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 3 (4.4%)
$300K–$500K 22 (32.4%)
$500K–$750K 31 (45.6%)
$750K–$1M 5 (7.4%)
$1M–$2M 4 (5.9%)
$2M+ 3 (4.4%)
Active by bedroom count
Studio/1 bd 1
2 bd 13
3 bd 39
4 bd 12
5+ bd 3
Active by property type
Single Family 61 (89.7%)
Condo 7 (10.3%)
For Developers

Get Williams Bay 53191 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/53191
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "53191",
  "total_tracked": 2719,
  "active": 68,
  "median_list": 521890
}
Get an API key Read the docs

ZIP 53191 · Williams Bay, WI real estate: market summary

As of June 2026, Straply tracks 2,719 homes in ZIP 53191 (Williams Bay, WI), with 68 active for sale at a median list price of $521,890 (~$258/sq ft). Notably, most homes were built in the 1980s.

Median list price
$521,890
Median $/sq ft
$258
Active listings
68
Properties tracked
2,719

Frequently asked: ZIP 53191 · Williams Bay, WI real estate

What is the median home price in ZIP 53191?

The median list price in ZIP 53191 (Williams Bay, WI) is $521,890 (about $258 per square foot), based on 68 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 53191?

Active listings in ZIP 53191 (Williams Bay, WI) concentrate in: 46% $500k–$750k and 32% $300k–$500k.

How many homes are for sale in ZIP 53191?

Straply is tracking 68 active listings in ZIP 53191 (Williams Bay, WI) out of 2,719 properties on record as of June 2026.

How old are the homes in ZIP 53191?

Most homes in ZIP 53191 (Williams Bay, WI) were built in the 1980s. About 57% were built after 1980, while 16% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 53191?

ZIP 53191 (Williams Bay, WI) is mostly single-family homes (90% of listings). Also common: condos 10%.

How many bedrooms do homes in ZIP 53191 typically have?

The most common size in ZIP 53191 (Williams Bay, WI) is 3 bd.

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