Real Estate Data API

98611 Castle Rock

91 active listings out of 4.7K total properties we track in ZIP 98611 (Castle Rock, WA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
91
Median
$530K
-1.4%
Sold/mo
1
-87.5%
Tracked
4.7K
Zoomed out

While you're here, take in the bigger picture — maps below show Washington (statewide), not just 98611. Same company, same dataset, different resolution.

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Key Numbers
Tracked
4.7K
Active
91
Median list
$530K
Sales (12mo)
139
Get this data →
Key Numbers
Tracked
4.7K
Active
91
Median list
$530K
Sales (12mo)
139
Get this data →
Key Numbers
Tracked
4.7K
Active
91
Median list
$530K
Sales (12mo)
139
Get this data →
Key Numbers
Tracked
4.7K
Active
91
Median list
$530K
Sales (12mo)
139
Get this data →
Key Numbers
Tracked
4.7K
Active
91
Median list
$530K
Sales (12mo)
139

Inventory breakdown

Distribution of the 91 currently-active listings in ZIP 98611. Full dataset covers 4.7K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 13 (14.6%)
$300K–$500K 27 (30.3%)
$500K–$750K 35 (39.3%)
$750K–$1M 11 (12.4%)
$1M–$2M 2 (2.2%)
$2M+ 1 (1.1%)
Active by bedroom count
Studio/1 bd 0
2 bd 13
3 bd 54
4 bd 16
5+ bd 5
Active by property type
Single Family 70 (76.9%)
Manufactured 15 (16.5%)
Multi Family 5 (5.5%)
Lot 1 (1.1%)
For Developers

Get Castle Rock 98611 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/98611
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "98611",
  "total_tracked": 4697,
  "active": 91,
  "median_list": 530000
}
Get an API key Read the docs

ZIP 98611 · Castle Rock, WA real estate: market summary

As of June 2026, Straply tracks 4,697 homes in ZIP 98611 (Castle Rock, WA), with 91 active for sale at a median list price of $530,000 (~$316/sq ft). Notably, most homes were built in the 1970s.

Median list price
$530,000
Median $/sq ft
$316
Active listings
91
Median sale price
$404,900 (-1% YoY)
Properties tracked
4,697

Frequently asked: ZIP 98611 · Castle Rock, WA real estate

What is the median home price in ZIP 98611?

The median list price in ZIP 98611 (Castle Rock, WA) is $530,000 (about $316 per square foot), based on 91 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 98611?

Active listings in ZIP 98611 (Castle Rock, WA) concentrate in: 39% $500k–$750k and 30% $300k–$500k.

Are home prices in ZIP 98611 going up or down?

The median sale price is $404,900, down 1% year over year. Straply tracked 139 sales here over the past 12 months.

How many homes are for sale in ZIP 98611?

Straply is tracking 91 active listings in ZIP 98611 (Castle Rock, WA) out of 4,697 properties on record as of June 2026.

How old are the homes in ZIP 98611?

Most homes in ZIP 98611 (Castle Rock, WA) were built in the 1970s. About 51% were built after 1980, while 12% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 98611?

ZIP 98611 (Castle Rock, WA) is mostly single-family homes (77% of listings). Also common: manufactured homes 16%, multi-family homes 6%.

How many bedrooms do homes in ZIP 98611 typically have?

The most common size in ZIP 98611 (Castle Rock, WA) is 3 bd.

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