Real Estate Data API

Castle Rock CO

1.2K active listings out of 35K total properties we track across 8 Castle Rock ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
1.2K
Median
$749K
-6.4%
Sold Sep
117
+27.2%
Tracked
35K

Download Castle Rock, CO property data

2,664,829 property records for all of Colorado — 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 · 263.6 MB Parquet · CSV (475.3 MB)

Records keep changing after a snapshot is compiled.

Download today's build · subscribers

Rebuilt every day · same columns, same file layout

Zoomed out

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

Get this data →
Get this data →
Get this data →
Get this data →
Get this data →

Inventory breakdown

Distribution of the 1.2K currently-active listings in Castle Rock, CO. Full dataset covers 35K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 18 (1.6%)
$300K–$500K 122 (10.5%)
$500K–$750K 450 (38.8%)
$750K–$1M 263 (22.7%)
$1M–$2M 223 (19.2%)
$2M+ 85 (7.3%)
Active by bedroom count
Studio/1 bd 22
2 bd 159
3 bd 354
4 bd 361
5+ bd 285
Active by property type
Single Family 1,032 (86.4%)
Townhouse 77 (6.4%)
Condo 69 (5.8%)
Lot 13 (1.1%)
Multi Family 2 (0.2%)
Manufactured 2 (0.2%)
For Developers

Get Castle Rock, CO data in your app

curl
request
GET https://api.straply.com/v1/markets/city/castle-rock-co
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "castle-rock-co",
  "total_tracked": 35479,
  "active": 1195,
  "median_list": 749000
}

Castle Rock, CO real estate: market summary

As of November 2026, Straply tracks 35,479 homes in Castle Rock, CO, with 1,195 active for sale at a median list price of $749,000 (~$236/sq ft). Notably, it skews heavily toward new construction — 94% of homes were built after 1980, and 6,268 since 2020.

Median list price
$749,000
Median $/sq ft
$236
Active listings
1,195
Median sale price
$660,000 (-6% YoY)
Properties tracked
35,479

Frequently asked: Castle Rock, CO real estate

What is the median home price in Castle Rock?

The median list price in Castle Rock, CO is $749,000 (about $236 per square foot), based on 1,195 active listings tracked by Straply as of November 2026.

What price range are homes in Castle Rock?

Active listings in Castle Rock, CO concentrate in: 39% $500k–$750k and 23% $750k–$1m.

Are home prices in Castle Rock going up or down?

The median sale price is $660,000, down 6% year over year. Straply tracked 1,563 sales here over the past 12 months.

How many homes are for sale in Castle Rock?

Straply is tracking 1,195 active listings in Castle Rock, CO out of 35,479 properties on record as of November 2026.

How old are the homes in Castle Rock?

Most homes in Castle Rock, CO were built in the 2000s. About 94% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in Castle Rock?

Castle Rock, CO is mostly single-family homes (86% of listings). Also common: townhouses 6%, condos 6%.

How many bedrooms do homes in Castle Rock typically have?

The most common size in Castle Rock, CO is 4 bd.

What are the most active ZIP codes in Castle Rock?

The ZIP codes with the most active listings in Castle Rock, CO are 80104, 80109, 80108, 80138.

What areas are near Castle Rock?

Nearby markets Straply also tracks include Castle Pines, Franktown, Parker, Sedalia.

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