1 Bedroom Apartments for Rent in Castel Rock, CO (45 Rentals)

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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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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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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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Nest on Osage
1 Bedroom Apartments

Nest on Osage

4990 Osage DrBoulder, CO 80303
  • Utilities Included
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Copper Ridge
1 Bedroom Apartments

Copper Ridge

240 McCaslin BlvdLouisville, CO 80027
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955 16th St
1 Bedroom Apartments

955 16th St

955 16th StBoulder, CO 80302
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The Parallel
1 Bedroom Apartments

The Parallel

11901 Ridge RdWheat Ridge, CO 80033
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Clear Creek Commons
1 Bedroom Apartments

Clear Creek Commons

1027 Washington AveGolden, CO 80401
Senior Living
  • Utilities Included

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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Showing Results 1-45, 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. Flatiron Flats Apartments in the Interlocken neighborhood has the second largest 1 Bedroom, which is sized at 993 square feet and currently listed start at $2,302. 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
Flatiron Flats ApartmentsMt. Elbert w/ Den993 Sq Ft$2,302
Bell BroomfieldA1G991 Sq Ft$1,845
Epoque GoldenPikes 1 - Flex Space990 Sq Ft$2,652
Maple Leaf TownhomesCedar970 Sq Ft$1,826
Bridges at FlatironA5962 Sq Ft$1,920
Caliber at FlatironsUnit A2-UB954 Sq Ft$1,612
Stonegate ApartmentsRefresh925 Sq Ft$1,971
Bell FlatironsOne Bedroom 1A1EG-2A1CG921 Sq Ft$1,821
Fusion 355One Bed One Bth A5916 Sq Ft$2,095

Cheapest Available Castel Rock and Nearby 1 Bedroom Apartments

As of September 21, 2025 the lowest priced 1 Bedroom apartment unit in Castel Rock, CO is the 1 Bedroom 1 Bathroom Model starting from $1,300 at Nest on Thunderbird in the Southeast Boulder neighborhood. The second most affordable Castel Rock 1 Bedroom is the 1BR/1.0BA Model at Park Mesa starting at $1,345 in the Majestic Heights neighborhood. The average price for all 1 Bedroom apartments in Castel Rock is currently $2,011. Here is today’s list of the cheapest available 1 Bedroom options in Castel Rock:

Apartment ListingModel NamePriced From
Nest on Thunderbird1 Bedroom 1 Bathroom$1,300
Park Mesa1BR/1.0BA$1,345
Kimberly Court ApartmentsPomeroy$1,379
Blue Sky LoftsNorthwoods$1,425
EzlynOne Bedroom A1$1,493
The LodgeA1$1,495
Mohawk Green ApartmentsOne Bedrooms$1,495
Tantra Lake1 bed$1,500
Arvada Court Apartments1 Bedroom 1 Bathroom - West Side$1,500
Ralston Park ApartmentsRPA-1x1(610) B$1,500

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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 Thunderbird 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 $2,011.

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 748 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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The 10 Best Affordable Neighborhoods in Denver, CO

Written by: Marie McGinnis

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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! 

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The Rental Move-In Inspection Checklist: A Guide for Renters

Written by: Trey Huguley

The move-in inspection checklist is a crucial tool for both tenants and landlords. This checklist, provided by the team at ApartmentHomeLiving.com, helps document the condition of an apartment at the time of move-in.

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Your Guide to Co-Signers: The Risks, Rewards, and Everything in Between

Written by: Christine Leonard, Esq.

For many people, obstacles can arise during the rental application process for a variety of issues.