1 Bedroom Apartments for Rent in Castel Rock, CO (44 Rentals)

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Nest on Osage
1 Bedroom Apartments

Nest on Osage

4990 Osage DrBoulder, CO 80303
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Nest on Thunderbird
1 Bedroom Apartments

Nest on Thunderbird

4917 Thunderbird DrBoulder, CO 80303
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The Parallel
1 Bedroom Apartments

The Parallel

11901 Ridge RdWheat Ridge, CO 80033
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955 16th St
1 Bedroom Apartments

955 16th St

955 16th StBoulder, CO 80302
Student Housing
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Copper Ridge
1 Bedroom Apartments

Copper Ridge

240 McCaslin BlvdLouisville, CO 80027
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Boulder Creek
1 Bedroom Apartments

Boulder Creek

3455 Table Mesa DrBoulder, CO 80305
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Clear Creek Commons
1 Bedroom Apartments

Clear Creek Commons

1027 Washington AveGolden, CO 80401
Senior Living
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Bridges at Flatiron
1 Bedroom Apartments

Bridges at Flatiron

270 E Flatiron Crossing DrBroomfield, CO 80021
Showing Results 1-44, Page 1 of 1

Castel Rock, CO Local Guide

Largest Available Castel Rock and Nearby 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in Castel Rock, CO is found at Origin in the Centennial Valley neighborhood and is 1,884 square feet priced from $3,415. Windsor Flatirons in the Interlocken neighborhood has the second largest 1 Bedroom, which is sized at 1,045 square feet and currently listed start at $2,027. Here is today’s list of the largest available 1 Bedroom units in Castel Rock:

Apartment ListingModel NameSquare FootagePriced From
OriginLW51,884 Sq Ft$3,415
Windsor FlatironsA31,045 Sq Ft$2,027
Flatiron Flats ApartmentsMt. Elbert w/ Den993 Sq Ft$2,246
Epoque GoldenPikes 1 - Flex Space990 Sq Ft$2,257
Maple Leaf TownhomesCedar970 Sq Ft$1,928
Bridges at FlatironA5962 Sq Ft$1,774
Heights at InterlockenA5945 Sq Ft$2,073
Boulder CreekKeystone932 Sq Ft$2,500
Stonegate ApartmentsRefresh925 Sq Ft$1,950
Bell FlatironsOne Bedroom 1A1EG-2A1CG921 Sq Ft$1,881

Cheapest Available Castel Rock and Nearby 1 Bedroom Apartments

As of November 16, 2025 the lowest priced 1 Bedroom apartment unit in Castel Rock, CO is the Pomeroy Model starting from $1,329 at Kimberly Court Apartments in the Southeast Boulder neighborhood. The second most affordable Castel Rock 1 Bedroom is the 1 Bed Top Floor; Pool-Side + Vaulted Ceilings & AC Model at Buffalo Canyon starting at $1,349 in the Main Campus neighborhood. The average price for all 1 Bedroom apartments in Castel Rock is currently $1,979. Here is today’s list of the cheapest available 1 Bedroom options in Castel Rock:

Apartment ListingModel NamePriced From
Kimberly Court ApartmentsPomeroy$1,329
Buffalo Canyon1 Bed Top Floor; Pool-Side + Vaulted Ceilings & AC$1,349
EzlynOne Bedroom A1$1,379
Flatiron View ApartmentsCaribou$1,421
Blue Sky LoftsNorthwoods$1,425
Coronado ApartmentsFlatiron$1,450
Bridges at FlatironA1$1,482
Mohawk Drive ApartmentsOne Bed$1,495
Mohawk Green ApartmentsOne Bedrooms$1,495
Grand View @ FlatironsOne Bedroom One Bath$1,499

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Frequently Asked Questions about 1 Bedroom Castel Rock Apartments

What is the Cheapest apartment in Castel Rock with 1 Bedroom?

Currently the most affordable 1 Bedroom in Castel Rock is at Kimberly Court Apartments listed at $1,329.

How much is the average rent for a 1 Bedroom Castel Rock Apartment?

The average rent for a 1 Bedroom Apartment in Castel Rock is $1,979.

What is the largest available 1 Bedroom Castel Rock Apartment for rent?

Today's apartment with the most square footage in Castel Rock is a 1,884 square feet unit starting from $3,415 at Origin.

What is the average size for Castel Rock 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in Castel Rock is currently 737 sq ft.

Expert Rental Resources

Helpful Apartment Articles, How-To's and Tips

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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