Arras Park and Riverdale Ranch are both neighbourhoods of Thornton, CO. There are 6 homes for sale in Arras Park and 6 in Riverdale Ranch as this page loaded. Arras Park is the more expensive of the two: a median asking price of $613,295 against $454,900 in Riverdale Ranch, about 35% higher. By the foot it is $282 in Arras Park against $329 in Riverdale Ranch — so the cheaper home is the dearer space, which usually means the homes in Arras Park are simply bigger. A typical home is 2,084 square feet in Arras Park and 1,364 in Riverdale Ranch, built around 2024 and 2020 respectively. Homes are moving faster in Riverdale Ranch: a median of 98 days on the market against 150 in Arras Park. Arras Park is in the Mapleton R-1 school district and Riverdale Ranch is in School District 27-J.
| Measure | Arras Park | Riverdale Ranch |
|---|---|---|
| For sale today | ||
| Homes for sale | 6 | 6 |
| Median asking price | $613,295 | $454,900 |
| Cheapest home for sale | $410,900 | $350,000 |
| Dearest home for sale | $678,303 | $665,000 |
| Median price per sq ft | $282 | $329 |
| Median days on market | 150 | 98 |
| The homes themselves | ||
| Median size (sq ft) | 2,084 | 1,364 |
| Median bedrooms | 3 | 2 |
| Typical year built | 2024 | 2020 |
| What actually sold, last 12 months | ||
| Homes sold | 19 | 6 |
| Median sold price | $460,000 | $506,500 |
| Schools the homes for sale are assigned to | ||
| School district | Mapleton R-1 | School District 27-J |
| Elementary | Explore | Brantner |
| Middle | York Int'l K-12 | Roger Quist |
| High school | York Int'l K-12 | Riverdale Ridge |
| Getting around, out of 10 | ||
| Walkability | 4/10 | 4/10 |
| Transit | 3/10 | 3/10 |
| Biking | 5/10 | 5/10 |
| Quiet | 6/10 | 7/10 |
| Calm streets | 6/10 | 7/10 |
| Getting around | 7/10 | 7/10 |
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.
Arras Park is a residential neighborhood in Thornton, CO, situated in the northern Denver metro area with convenient access to major corridors like I-25 and I-270. The area features single-family homes, tree-lined streets, and a suburban character with parks and green spaces nearby. Local amenities include schools, shopping, and dining options within short drives.
Riverdale Ranch is a suburban residential community in Thornton, CO, situated north of Denver with convenient access to I-25 and local shopping. The neighborhood features single-family homes, tree-lined streets, and a family-oriented atmosphere with parks and schools nearby. Daily life centers around car-dependent errands, with a mix of chain retailers and local services within a short drive.
Arras Park is more expensive. The median asking price is $613,295 in Arras Park against $454,900 in Riverdale Ranch. By price per square foot they run $282 in Arras Park and $329 in Riverdale Ranch, which is the fairer comparison when the homes are different sizes.
A typical home for sale is 2,084 square feet in Arras Park and 1,364 square feet in Riverdale Ranch, with a median of 3 and 2 bedrooms respectively.
Going by the homes on the market today, Riverdale Ranch is the older of the two: a typical home there was built around 2020, against 2024 in Arras Park.
Homes for sale in Riverdale Ranch have been listed a median of 98 days, against 150 days in Arras Park. Over the last twelve months 19 homes sold in Arras Park and 6 in Riverdale Ranch, which is the better measure of how busy each one is.
Arras Park is in the Mapleton R-1 district and Riverdale Ranch is in School District 27-J. The homes for sale in Arras Park are most often assigned to Explore Elementary, York Int'l K-12 Middle, York Int'l K-12 High School; in Riverdale Ranch it is Brantner Elementary, Roger Quist Middle, Riverdale Ridge 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 3 and 3.
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 30, 2026 at 4:08 PM Mountain time, and are recomputed every fifteen minutes.