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| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| Castel Rock Studio Apartments | $1,800 | $870 | $2,631 |
| Castel Rock 1 Bedroom Apartments | $2,017 | $955 | $7,360 |
| Castel Rock 2 Bedroom Apartments | $2,539 | $1,420 | $10,000+ |
| Castel Rock 3 Bedroom Apartments | $3,006 | $1,365 | $8,868 |
| Castel Rock 4 Bedroom Apartments | $2,360 | $1,640 | $3,732 |
The largest available 1 Bedroom apartment unit in Castel Rock, CO is found at Origin in the Centennial Valley neighborhood and is 1,154 square feet priced from $2,926. Bridges at Flatiron in the Interlocken neighborhood has the second largest 1 Bedroom, which is sized at 962 square feet and currently listed start at $1,918. Here is today’s list of the largest available 1 Bedroom units in Castel Rock:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| Origin | LW4 | 1,154 Sq Ft | $2,926 |
| Bridges at Flatiron | A5 | 962 Sq Ft | $1,918 |
| Heights at Interlocken | A5 | 945 Sq Ft | $1,925 |
| Boulder Creek | Keystone | 932 Sq Ft | $2,545 |
| Bell Flatirons | One Bedroom Townhome 1A2TBG-1A2TBGU-2A2TBGU | 925 Sq Ft | $2,297 |
| Stonegate Apartments | Rejoice | 911 Sq Ft | $1,786 |
| RockVue | Peak | 885 Sq Ft | $1,745 |
| Windsor Flatirons | A2 | 862 Sq Ft | $1,824 |
| Cortland Flatirons | Messina | 840 Sq Ft | $1,829 |
| Cortland at Coalton | Longs Peak | 791 Sq Ft | $1,936 |
As of May 19, 2026 the lowest priced 1 Bedroom apartment unit in Castel Rock, CO is the 1BR/1.0BA Model starting from $955 at Park Mesa in the Majestic Heights neighborhood. The second most affordable Castel Rock 1 Bedroom is the One Bedroom Model at Nest on Osage - 8202 starting at $1,345 in the Southeast Boulder neighborhood. The average price for all 1 Bedroom apartments in Castel Rock is currently $2,017. Here is today’s list of the cheapest available 1 Bedroom options in Castel Rock:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| Park Mesa | 1BR/1.0BA | $955 |
| Nest on Osage - 8202 | One Bedroom | $1,345 |
| Nest on Thunderbird - 8203 | A1 | $1,345 |
| Kimberly Court Apartments | Pomeroy | $1,352 |
| Ralston Park Apartments | RPA-1x1(610) B | $1,375 |
| Arvada Court Apartments - Utilities included! | 1BR/1BA | $1,400 |
| Flatiron View Apartments | Caribou | $1,402 |
| Ezlyn Westminster | One Bedroom A1 | $1,432 |
| Mohawk Drive Apartments | One Bed | $1,455 |
| Mohawk Green Apartments | One Bedrooms | $1,555 |
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Currently the most affordable 1 Bedroom in Castel Rock is at Park Mesa listed at $955.
The average rent for a 1 Bedroom Apartment in Castel Rock is $2,017.
Today's apartment with the most square footage in Castel Rock is a 1,154 square feet unit starting from $2,926 at Origin.
The average size for a 1 Bedroom rental in Castel Rock is currently 704 sq ft.
The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.
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