1 Bedroom Apartments for Rent in Brentwood, NY (79 Rentals)

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property at 7 Montgomery St

$2,000

1 Bedroom, 1 Bath Condo for Rent

Available Now

7 Montgomery St

BrentwoodNY11717
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Brentwood Apartments
1 Bedroom Apartments

Brentwood Apartments

10-25 Walter StBrentwood, NY 11717
  • Utilities Included
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Saint Anne's Garden
1 Bedroom Apartments

Saint Anne's Garden

80 2nd AveBrentwood, NY 11717
Senior Living
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Arborlea Apartments
1 Bedroom Apartments

Arborlea Apartments

829 Suffolk AveBrentwood, NY 11717
  • Utilities Included

The Art of the Rental Viewing: What to look for during a property tour

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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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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property at 75 Circle Dr

$2,650 - $3,950

1 Bedroom Rentals

Available Now

75 Circle Dr

Central IslipNY11722
property at 584 Main St

$3,250 - $3,900

1 Bedroom Rentals

Available Now

584 Main St

IslipNY11751
property at 45 Golden Ave

$2,450

1 Bedroom Rentals

Available Now

45 Golden Ave

Deer ParkNY11729
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Brentwood, NY Local Guide

Largest Available Brentwood 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in Brentwood, NY is found at The Cornerstone at Hauppauge 55+ Active Adult Apartment Homes in the Courthouse Commons neighborhood and is 1,184 square feet priced from $2,900. The Belmont at Eastview has the second largest 1 Bedroom, which is sized at 1,078 square feet and currently listed start at $2,887. Here is today’s list of the largest available 1 Bedroom units in Brentwood:

Apartment ListingModel NameSquare FootagePriced From
The Cornerstone at Hauppauge 55+ Active Adult Apartment Homes1 Bed 1 Bath Loft1,184 Sq Ft$2,900
The Belmont at EastviewBelmar1,078 Sq Ft$2,887
Fairfield Townhomes at IslipNicklaus 1 Bedroom 2 Bathroom- 1017 sq.ft1,017 Sq Ft$2,950
Fairfield Saxon ArmsThe Kingsley Upper960 Sq Ft$2,490
Chatham SquareOne Bedroom/1st Floor842 Sq Ft$2,500
Fairfield Eastbrook GardensThe Shore Lower790 Sq Ft$2,365

Cheapest Available Brentwood 1 Bedroom Apartments

As of January 09, 2026 the lowest priced 1 Bedroom apartment unit in Brentwood, NY is the 1-1 Model starting from $1,749 at Ballpark Terrace in the Courthouse Commons neighborhood. The second most affordable Brentwood 1 Bedroom is the A1 Model at Mid Island Apartments starting at $2,125 . The average price for all 1 Bedroom apartments in Brentwood is currently $2,705. Here is today’s list of the cheapest available 1 Bedroom options in Brentwood:

Apartment ListingModel NamePriced From
Ballpark Terrace1-1$1,749
Mid Island ApartmentsA1$2,125
Fairfield On The LakeThe Lakewood$2,275
Fairfield At Islip TerraceThe Yale$2,290
Hawthorne LivingA06$2,300
Fairfield Eastbrook GardensThe Shore Upper$2,365
Gracewood EstatesA Unit$2,375
Fairfield Hedges at Bay ShoreOne Bedroom$2,395
1991 Union PlazaOne Bedroom / One Bathroom$2,450

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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Quick Rent Budget Calculator

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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:
Location, Location, Location!

Explore Brentwood, NY Rentals by Map

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Brentwood, NY Area Reviews

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annonimous • 4+ years in Brentwood

September 22, 2025

Brentwood is a quit place to live. i raise my children and grand children there i do not want to leave brentwood.

Frequently Asked Questions about 1 Bedroom Brentwood Apartments

What is the Cheapest apartment in Brentwood with 1 Bedroom?

Currently the most affordable 1 Bedroom in Brentwood is at Ballpark Terrace listed at $1,749.

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

The average rent for a 1 Bedroom Apartment in Brentwood is $2,705.

What is the largest available 1 Bedroom Brentwood Apartment for rent?

Today's apartment with the most square footage in Brentwood is a 1,184 square feet unit starting from $2,900 at The Cornerstone at Hauppauge 55+ Active Adult Apartment Homes.

What is the average size for Brentwood 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in Brentwood is currently 968 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.

Articles, How-To's, and Tips

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A Renters Guide for Tips on Writing Your Notice for Not Renewing Your Apartment

Written by: Bob Mallory

Packing up everything you own to move is so stressful for many that ending your apartment lease can feel like a small or unimportant task. Ending your lease involves more than simply turning over your keys on the last day.

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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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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!