Castle Oaks Estates and Crystal Valley are both neighbourhoods of Castle Rock, CO. There are 8 homes for sale in Castle Oaks Estates and 7 in Crystal Valley as this page loaded. Crystal Valley is the more expensive of the two: a median asking price of $775,000 against $742,450 in Castle Oaks Estates, about 4% higher. By the foot it is $224 in Castle Oaks Estates against $268 in Crystal Valley. A typical home is 3,330 square feet in Castle Oaks Estates and 3,367 in Crystal Valley, built around 2014 and 2023 respectively. Homes are moving faster in Castle Oaks Estates: a median of 46 days on the market against 63 in Crystal Valley. Both are in the Douglas RE-1 school district, so the difference between them is the assigned schools rather than the district.
| Measure | Castle Oaks Estates | Crystal Valley |
|---|---|---|
| For sale today | ||
| Homes for sale | 8 | 7 |
| Median asking price | $742,450 | $775,000 |
| Cheapest home for sale | $615,000 | $530,000 |
| Dearest home for sale | $875,000 | $1,125,000 |
| Median price per sq ft | $224 | $268 |
| Median days on market | 46 | 63 |
| The homes themselves | ||
| Median size (sq ft) | 3,330 | 3,367 |
| Median bedrooms | 4 | 4 |
| Typical year built | 2014 | 2023 |
| What actually sold, last 12 months | ||
| Homes sold | 22 | 31 |
| Median sold price | $715,000 | $655,000 |
| Schools the homes for sale are assigned to | ||
| School district | Douglas RE-1 | Douglas RE-1 |
| Elementary | Sage Canyon | Flagstone |
| Middle | Mesa | Mesa |
| High school | Douglas County | Douglas County |
| Getting around, out of 10 | ||
| Walkability | 4/10 | 4/10 |
| Transit | 2/10 | 2/10 |
| Biking | 3/10 | 5/10 |
| Quiet | 7/10 | 7/10 |
| Calm streets | 7/10 | 7/10 |
| Getting around | 7/10 | 8/10 |
The darker figure in each row is the lower price, the shorter wait, the bigger number or the higher score — which of those is good news depends entirely on whether you are buying or selling, and on what you want from a street.
Castle Oaks Estates is an established residential community in Castle Rock, CO, characterized by tree-lined streets, single-family homes, and a suburban feel. Located south of Denver, the neighborhood offers convenient access to I-25 and local shopping via Castle Rock's downtown corridor. Schools, parks, and family-oriented amenities define daily life here.
Crystal Valley is a newer residential community in Castle Rock, Colorado, offering modern suburban living with convenient access to the Denver metro area. The neighborhood features planned single-family home developments with good schools and parks, making it popular with families.
Crystal Valley is more expensive. The median asking price is $775,000 in Crystal Valley against $742,450 in Castle Oaks Estates. By price per square foot they run $224 in Castle Oaks Estates and $268 in Crystal Valley, which is the fairer comparison when the homes are different sizes.
A typical home for sale is 3,330 square feet in Castle Oaks Estates and 3,367 square feet in Crystal Valley, both with a median of 4 bedrooms.
Going by the homes on the market today, Castle Oaks Estates is the older of the two: a typical home there was built around 2014, against 2023 in Crystal Valley.
Homes for sale in Castle Oaks Estates have been listed a median of 46 days, against 63 days in Crystal Valley. Over the last twelve months 22 homes sold in Castle Oaks Estates and 31 in Crystal Valley, which is the better measure of how busy each one is.
Both are in the Douglas RE-1 school district. The homes for sale in Castle Oaks Estates are most often assigned to Sage Canyon Elementary, Mesa Middle, Douglas County High School; in Crystal Valley it is Flagstone Elementary, Mesa Middle, Douglas County High School. School assignment can change, so confirm with the district before it decides anything.
Symbio rates both 4 out of 10 for walkability. On transit they score 2 and 2.
They are not a monthly snapshot. Both neighbourhoods are worked out from the live MLS feed every fifteen minutes and both sides are read from the same instant, so the two sides are always measured against each other rather than against different weeks. The exact moment is stamped at the foot of this page.
Both neighbourhoods come from the live MLS feed, worked out again every fifteen minutes, and both are read from the same instant, so the two sides are always comparable. Figures cover residential homes; rentals, land and commercial are excluded, as are fractional co-ownership shares, which are priced per share and would distort the medians. Sold figures cover the last twelve months. Schools shown are the ones the homes for sale today are assigned to and can change - check with the district before relying on them. Market data is deemed reliable but not guaranteed.
These figures were worked out from the live MLS feed at October 27, 2026 at 12:38 PM Mountain time, and are recomputed every fifteen minutes.