3 Bedroom Apartments for Rent in Castel Rock, CO (43 Rentals)

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Roommate Matching: Finding the Right Fit and Avoiding Pitfalls

When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

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Experience Life as a Local: The Insider's Guide to Renting in Denver

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Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Smart Renter's Guide: Calculating Affordable Rent & Housing Costs

Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

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Windsor Flatirons
3 Bedroom Apartments

Windsor Flatirons

13780 Del CorsoBroomfield, CO 80020
Family Friendly

Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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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
  • Utilities Included
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Nest on Osage
3 Bedroom Apartments

Nest on Osage

4990 Osage DrBoulder, CO 80303
  • Utilities Included
Showing Results 1-43, 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 $3,660. Windsor Flatirons has the second largest 3 Bedroom, which is sized at 2,023 square feet and currently listed start at $2,758. 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$3,660
Windsor FlatironsC32,023 Sq Ft$2,758
Epoque GoldenAntora 11,657 Sq Ft$4,499
Basecamp at West 8thWest 8th - Diamond1,622 Sq Ft$3,732
Timberline FarmsPaired Home | The Barn1,611 Sq Ft$3,507
Caliber at FlatironsUnit C1-UB1,477 Sq Ft$2,238
The ElmwoodC1-ANSI-A1,433 Sq Ft$2,993
OriginC31,350 Sq Ft$3,570
Stonegate ApartmentsRecapture1,235 Sq Ft$2,225
Ralston Park ApartmentsRPA-3x2 (1186) F1,186 Sq Ft$2,080

Cheapest Available Castel Rock and Nearby 3 Bedroom Apartments

As of January 01, 2026 the lowest priced 3 Bedroom apartment unit in Castel Rock, CO is the RPA-3x2 (1186) F Model starting from $2,080 at Ralston Park Apartments in the Ryan Ranch neighborhood. The second most affordable Castel Rock 3 Bedroom is the Recapture Model at Stonegate Apartments starting at $2,225 in the Interlocken neighborhood. The average price for all 3 Bedroom apartments in Castel Rock is currently $2,775. 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$2,080
Stonegate ApartmentsRecapture$2,225
Caliber at FlatironsUnit C1-UB$2,238
Windsor FlatironsC3$2,758
Timberline FarmsThe Stable$2,800
The ElmwoodC1-ANSI-A$2,993
The Avenue Lofts GoldenThe Waystation Loft$3,195
Basecamp at West 8thBasecamp - Voyage$3,561
OriginC3$3,570
Cortland at CoaltonMt Harvard$3,660

The Essential Guide to Denver Neighborhoods for Employees of Lockheed Martin, DIA, and Deloitte

Explore dynamic Denver neighborhoods like Ballpark, Five Points, and East Westminster. Find the perfect apartment with a great lifestyle and easy access to major employers and cultural hubs.

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Don't Settle: How to Negotiate Your Apartment Lease and Save Money

Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.

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The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Moving is tough, especially long-distance. Learn how to minimize stress & expenses with proven strategies from a real estate pro, covering everything from logistics to finances.

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Cash or credit? Understanding the Importance of Credit Score in Real Estate and Renting

Discover how your credit score impacts your ability to lease or buy a home. Learn how credit scores are determined, how to check yours, and strategies to improve it for real estate success.

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The Student Renter's Ultimate Guide to Picking the Perfect Denver Neighborhood to Rent

Learn About the Best Neighborhoods to Rent Near College Campuses in Denver, CO | Find Denver Off-Campus Student Housing at ApartmentHomeLiving.com

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The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.

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Remember the 3 Rules of Real Estate:
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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 $2,080.

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 $2,775.

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 $3,660 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 1,303 sq ft.

Expert Rental Resources

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.

Helpful Local Expert Guides

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The 10 Best Affordable Neighborhoods in Denver, CO

Written by: Marie McGinnis

Denver is a beautiful city with ample opportunities for outdoor recreation and a wide variety of housing options. As your ApartmentHomeLiving.

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Your Guide to Picking the Perfect Denver Neighborhood for Student Renters

Written by: Marie McGinnis

Many dream of attending college in Denver. Nothing beats the big-city opportunities with close access to outdoor activities.

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The Essential Guide to Denver Neighborhoods for Employees of Lockheed Martin, DIA, and Deloitte

Written by: Marie McGinnis

Denver is a bustling city with a strong economy, numerous outdoor activities, and a robust cultural scene.

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Experience Life as a Local: The Insider's Guide to Renting in Denver

Written by: Marie McGinnis

Nothing beats the fresh Colorado air and numerous sunny days. In Denver, nature meets big city living, and there is no shortage of things to do. Hi, I'm Marie, your ApartmentHomeLiving.

Articles, How-To's, and Tips

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Renting with Roommates: Realistic Expectations for Shared Lease

Written by: Christine Leonard, Esq.

Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.

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How to Make Your Apartment Holiday-Ready: Renter-Friendly Tips

Written by: Justin Habersaat

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Apartment Common Area Rules: What Renters Need to Know

Written by: Christine Leonard, Esq.

Back in the day when I rented one of my first apartments, the property didn’t even have laundry in the building. Now, rental properties are often competing against each other to provide the best amenities.

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How to Negotiate Your Apartment Lease and Save Money

Written by: Christine Leonard, Esq.

Everything is a negotiation in real estate!