1 Bedroom Apartments for Rent in Castel Rock, CO (46 Rentals)

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Ridgeline Arvada
1 Bedroom Apartments

Ridgeline Arvada

11135 Ralston RdArvada, CO 80004
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Clear Creek Commons
1 Bedroom Apartments

Clear Creek Commons

1027 Washington AveGolden, CO 80401
Senior Living
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Copper Ridge
1 Bedroom Apartments

Copper Ridge

240 McCaslin BlvdLouisville, CO 80027
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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 $3,540. Retreat at the Flatirons in the Interlocken neighborhood has the second largest 1 Bedroom, which is sized at 1,045 square feet and currently listed start at $2,014. Here is today’s list of the largest available 1 Bedroom units in Castel Rock:

Apartment ListingModel NameSquare FootagePriced From
OriginLW51,884 Sq Ft$3,540
Retreat at the FlatironsA31,045 Sq Ft$2,014
Flatiron Flats ApartmentsMt. Elbert w/ Den993 Sq Ft$2,282
Henley and Remy Apartments1 Bed 1.5 Bath 970 Sq Ft - Henley970 Sq Ft$1,985
Maple Leaf TownhomesCedar970 Sq Ft$1,999
Bridges at FlatironA5967 Sq Ft$2,019
Boulder CreekKeystone932 Sq Ft$2,399
Summit at FlatironsA1D863 Sq Ft$1,986
The ElmwoodA4-ANSI-A862 Sq Ft$2,185
The ParallelFlyer | 3785 Sq Ft$1,980

Cheapest Available Castel Rock and Nearby 1 Bedroom Apartments

As of July 08, 2025 the lowest priced 1 Bedroom apartment unit in Castel Rock, CO is the Unit Type B Model starting from $1,300 at Nest on Osage in the Southeast Boulder neighborhood. The second most affordable Castel Rock 1 Bedroom is the 1 Bedroom 1 Bathroom Model at Nest on Thunderbird starting at $1,300 . The average price for all 1 Bedroom apartments in Castel Rock is currently $2,237. Here is today’s list of the cheapest available 1 Bedroom options in Castel Rock:

Apartment ListingModel NamePriced From
Nest on OsageUnit Type B$1,300
Nest on Thunderbird1 Bedroom 1 Bathroom$1,300
Kimberly Court ApartmentsFlagstaff$1,457
Ridgeline ArvadaMount Antero$1,475
Mohawk Green ApartmentsOne Bedrooms$1,495
Tantra Lake1 bed$1,500
EzlynOne Bedroom A1$1,599
Copper Ridge1x1 Imperial Reno - Ensuite$1,611
The ElmwoodA1$1,680
Heights at InterlockenA200$1,692

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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 Nest on Osage listed at $1,300.

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 $2,237.

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 $3,540 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 980 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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