Real Estate Data API

80109 Castle Rock

257 active listings out of 9.7K total properties we track in ZIP 80109 (Castle Rock, CO) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
257
Median
$725K
-4.7%
Sold/mo
5
-87.8%
Tracked
9.7K
Zoomed out

While you're here, take in the bigger picture — maps below show Colorado (statewide), not just 80109. Same company, same dataset, different resolution.

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Key Numbers
Tracked
9.7K
Active
257
Median list
$725K
Sales (12mo)
491
Get this data →
Key Numbers
Tracked
9.7K
Active
257
Median list
$725K
Sales (12mo)
491
Get this data →
Key Numbers
Tracked
9.7K
Active
257
Median list
$725K
Sales (12mo)
491
Get this data →
Key Numbers
Tracked
9.7K
Active
257
Median list
$725K
Sales (12mo)
491
Get this data →
Key Numbers
Tracked
9.7K
Active
257
Median list
$725K
Sales (12mo)
491

Inventory breakdown

Distribution of the 257 currently-active listings in ZIP 80109. Full dataset covers 9.7K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 2 (0.8%)
$300K–$500K 25 (10.1%)
$500K–$750K 111 (44.9%)
$750K–$1M 64 (25.9%)
$1M–$2M 37 (15%)
$2M+ 8 (3.2%)
Active by bedroom count
Studio/1 bd 0
2 bd 19
3 bd 88
4 bd 59
5+ bd 91
Active by property type
Single Family 229 (89.1%)
Townhouse 26 (10.1%)
Manufactured 1 (0.4%)
Condo 1 (0.4%)
For Developers

Get Castle Rock 80109 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/80109
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "80109",
  "total_tracked": 9663,
  "active": 257,
  "median_list": 725000
}

ZIP 80109 · Castle Rock, CO real estate: market summary

As of June 2026, Straply tracks 9,663 homes in ZIP 80109 (Castle Rock, CO), with 257 active for sale at a median list price of $725,000 (~$219/sq ft). Notably, it skews heavily toward new construction — 98% of homes were built after 1980, and 858 since 2020.

Median list price
$725,000
Median $/sq ft
$219
Active listings
257
Median sale price
$610,000 (-5% YoY)
Properties tracked
9,663

Frequently asked: ZIP 80109 · Castle Rock, CO real estate

What is the median home price in ZIP 80109?

The median list price in ZIP 80109 (Castle Rock, CO) is $725,000 (about $219 per square foot), based on 257 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 80109?

Active listings in ZIP 80109 (Castle Rock, CO) concentrate in: 45% $500k–$750k and 26% $750k–$1m.

Are home prices in ZIP 80109 going up or down?

The median sale price is $610,000, down 5% year over year. Straply tracked 491 sales here over the past 12 months.

How many homes are for sale in ZIP 80109?

Straply is tracking 257 active listings in ZIP 80109 (Castle Rock, CO) out of 9,663 properties on record as of June 2026.

How old are the homes in ZIP 80109?

Most homes in ZIP 80109 (Castle Rock, CO) were built in the 2000s. About 98% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 80109?

ZIP 80109 (Castle Rock, CO) is mostly single-family homes (89% of listings). Also common: townhouses 10%.

How many bedrooms do homes in ZIP 80109 typically have?

The most common size in ZIP 80109 (Castle Rock, CO) is 5+ bd.

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