Real Estate Data API

54234 Sister Bay

146 active listings out of 3.8K total properties we track in ZIP 54234 (Sister Bay, WI) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
146
Median
$525K
-0.8%
Sold Sep
11
-15.4%
Tracked
3.8K
Zoomed out

While you're here, take in the bigger picture — maps below show Wisconsin (statewide), not just 54234. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
3.8K
Active
146
Median list
$525K
Sales (12mo)
100
Get this data →
Key Numbers
Tracked
3.8K
Active
146
Median list
$525K
Sales (12mo)
100
Get this data →
Key Numbers
Tracked
3.8K
Active
146
Median list
$525K
Sales (12mo)
100
Get this data →
Key Numbers
Tracked
3.8K
Active
146
Median list
$525K
Sales (12mo)
100
Get this data →
Key Numbers
Tracked
3.8K
Active
146
Median list
$525K
Sales (12mo)
100

Inventory breakdown

Distribution of the 146 currently-active listings in ZIP 54234. Full dataset covers 3.8K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 40 (27.4%)
$300K–$500K 32 (21.9%)
$500K–$750K 17 (11.6%)
$750K–$1M 25 (17.1%)
$1M–$2M 27 (18.5%)
$2M+ 5 (3.4%)
Active by bedroom count
Studio/1 bd 9
2 bd 49
3 bd 42
4 bd 9
5+ bd 4
Active by property type
Condo 68 (46.6%)
Single Family 40 (27.4%)
Lot 32 (21.9%)
Other 4 (2.7%)
Townhouse 2 (1.4%)
For Developers

Get Sister Bay 54234 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/54234
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "54234",
  "total_tracked": 3792,
  "active": 146,
  "median_list": 525000
}
Get an API key Read the docs

Nearby ZIP codes

Other Wisconsin ZIPs within a short drive of 54234.

54211
→
Ephraim 54211
3.2 mi away 19 active
54210
→
Ellison Bay 54210
6.4 mi away 76 active
54212
→
Fish Creek 54212
7.3 mi away 156 active
54202
→
Baileys Harbor 54202
8.6 mi away 100 active
54209
→
Egg Harbor 54209
13.3 mi away 255 active
54246
→
Washington Island 54246
16.5 mi away 22 active
54235
→
Sturgeon Bay 54235
26.2 mi away 504 active
54143
→
Marinette 54143
26.7 mi away 195 active
Looking for more? Explore Sister Bay

ZIP 54234 · Sister Bay, WI real estate: market summary

As of November 2026, Straply tracks 3,792 homes in ZIP 54234 (Sister Bay, WI), with 146 active for sale at a median list price of $525,000 (~$405/sq ft). Notably, most homes were built in the 1990s.

Median list price
$525,000
Median $/sq ft
$405
Active listings
146
Median sale price
$417,500 (-1% YoY)
Properties tracked
3,792

Frequently asked: ZIP 54234 · Sister Bay, WI real estate

What is the median home price in ZIP 54234?

The median list price in ZIP 54234 (Sister Bay, WI) is $525,000 (about $405 per square foot), based on 146 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 54234?

Active listings in ZIP 54234 (Sister Bay, WI) concentrate in: 27% under $300k and 22% $300k–$500k.

Are home prices in ZIP 54234 going up or down?

The median sale price is $417,500, down 1% year over year. Straply tracked 100 sales here over the past 12 months.

How many homes are for sale in ZIP 54234?

Straply is tracking 146 active listings in ZIP 54234 (Sister Bay, WI) out of 3,792 properties on record as of November 2026.

How old are the homes in ZIP 54234?

Most homes in ZIP 54234 (Sister Bay, WI) were built in the 1990s. About 76% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 54234?

ZIP 54234 (Sister Bay, WI) is mostly condos (47% of listings). Also common: single-family homes 27%, lots / land 22%.

How many bedrooms do homes in ZIP 54234 typically have?

The most common size in ZIP 54234 (Sister Bay, WI) is 2 bd.

What areas are near ZIP 54234?

Nearby markets Straply also tracks include Ephraim 54211, Ellison Bay 54210, Fish Creek 54212, Baileys Harbor 54202.

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