3 Bedroom Apartments for Rent in Castel Rock, CO (41 Rentals)

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The Lux
3 Bedroom Apartments

The Lux

855 Broadway StBoulder, CO 80302
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Nest on Thunderbird
3 Bedroom Apartments

Nest on Thunderbird

4917 Thunderbird DrBoulder, CO 80303
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Nest on Osage
3 Bedroom Apartments

Nest on Osage

4990 Osage DrBoulder, CO 80303
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Showing Results 1-41, Page 1 of 1

Castel Rock, CO Local Guide

Largest Available Castel Rock and Nearby 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Castel Rock, CO is found at Cortland at Coalton in the Interlocken neighborhood and is 2,098 square feet priced from $3,693. Epoque Golden in the Outer Lakewood West Corridor neighborhood has the second largest 3 Bedroom, which is sized at 1,657 square feet and currently listed start at $4,625. Here is today’s list of the largest available 3 Bedroom units in Castel Rock:

Apartment ListingModel NameSquare FootagePriced From
Cortland at CoaltonMt Harvard2,098 Sq Ft$3,693
Epoque GoldenAntora 11,657 Sq Ft$4,625
Timberline FarmsPaired Home | The Barn1,611 Sq Ft$3,806
Bell FlatironsThree Bedroom 1C2AGU-1C2AG-2C2AG1,525 Sq Ft$2,965
The ElmwoodC21,515 Sq Ft$3,138
Caliber at FlatironsUnit C1-UB1,477 Sq Ft$2,322
OriginC31,350 Sq Ft$3,570
Stonegate ApartmentsRecapture1,235 Sq Ft$2,325
Ralston Park ApartmentsRPA-3x2 (1186) F1,186 Sq Ft$2,100
The Lodge Boulder3BR/1BA980 Sq Ft$965

Cheapest Available Castel Rock and Nearby 3 Bedroom Apartments

As of November 16, 2025 the lowest priced 3 Bedroom apartment unit in Castel Rock, CO is the RPA-3x2 (1186) F Model starting from $2,100 at Ralston Park Apartments in the Ryan Ranch neighborhood. The second most affordable Castel Rock 3 Bedroom is the Three Bedroom 1C2A-3C2A-4C2A Model at Bell Flatirons starting at $2,230 in the Interlocken neighborhood. The average price for all 3 Bedroom apartments in Castel Rock is currently $2,694. Here is today’s list of the cheapest available 3 Bedroom options in Castel Rock:

Apartment ListingModel NamePriced From
Ralston Park ApartmentsRPA-3x2 (1186) F$2,100
Bell FlatironsThree Bedroom 1C2A-3C2A-4C2A$2,230
Caliber at FlatironsUnit C1-UB$2,322
Stonegate ApartmentsRecapture$2,325
Timberline FarmsThe Stable$2,960
The ElmwoodC1-ANSI-A$2,993
The Avenue Lofts GoldenThe Waystation Loft$3,195
OriginC3$3,570
Cortland at CoaltonMt Harvard$3,693
Epoque GoldenAntora 1$4,625

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Frequently Asked Questions about 3 Bedroom Castel Rock Apartments

What is the Cheapest apartment in Castel Rock with 3 Bedroom?

Currently the most affordable 3 Bedroom in Castel Rock is at Ralston Park Apartments listed at $2,100.

How much is the average rent for a 3 Bedroom Castel Rock Apartment?

The average rent for a 3 Bedroom Apartment in Castel Rock is $2,694.

What is the largest available 3 Bedroom Castel Rock Apartment for rent?

Today's apartment with the most square footage in Castel Rock is a 2,098 square feet unit starting from $3,693 at Cortland at Coalton.

What is the average size for Castel Rock 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Castel Rock is currently 1,305 sq ft.

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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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