Cheap Homes for Rent in Union Square Neighborhood of San Francisco, CA from $3,600 (5 Rentals)

How Many Bedrooms?Done
Select your price rangeDone
to
Note: Properties with the Total Monthly Price badge include all required fees. Hover over the badge for details.
By AmenitiesDone
By Community TypeDone
Features and AvailabilityDone
Done

Search the lowest-cost Homes available for rent right now in the Union Square area of San Francisco.

property at 18 Lansing St

$3,600

1 Bedroom, 1 Bath Condo for Rent

Available Now

18 Lansing St

San FranciscoCA94105

What Does “Rent Burdened” Mean? How Much Rent Is Too Much

Learn the official definition (spending 30% or more of your gross income on housing) and how to calculate your exact rent-to-income ratio. This guide offers expert tips on factoring in total housing costs (including utilities and fees) and budgeting accurately to avoid unnecessary financial strain.

property at 333 1st St

$4,200

Total Monthly Price

Total Monthly Price

Base Rent
$4,200

Total Monthly Price
$4,200

Studio, 1 Bath Condo for Rent

Available Now

333 1st St, Unit N706, Unit N706

333 1st St
San FranciscoCA94105

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

Thinking about getting a co-signer for your rental application? We break down what a co-signer is, the potential benefits, and the serious risks for both parties. Find out if it's the right choice for you.

Cheapest Available Union Square Apartments for Rent

 

The cheapest available apartment rental in the Union Square area of San Francisco, CA is a Studio unit found at SF House priced from $1,300. 225 Ellis St has the second lowest priced unit, which is a Studio apartment currently listed from $1,400. Here are the most affordable Union Square apartments for rent in San Francisco, CA:

Apartment ListingModel NameBed/BathPriced From
SF HouseUrban NestStudio,1BA$1,300
225 Ellis StEfficiency StudioStudio,$1,400
Yerba Buena CommonsStudioStudio,1BA$1,567

Best Value Apartments for Rent in Union Square, CA

As of May 09, 2026 the best value apartment in the Union Square area is the $5.63 price per square foot B5 Model at Prism in the in the South Of Market neighborhood starting from $4,378. The second greatest value Union Square apartment is the 1 Bedroom / 1 Bathroom Model at The Paramount starting at $5,995 with a $8.27 price per square foot in the South Of Market neighborhood. Here is today’s list of the best values for Union Square apartments based on price per square foot:

Apartment ListingModel NameBed/BathPrice Per Sq.Ft.
PrismB52BR,1BA$5.63
The Paramount1 Bedroom / 1 Bathroom1BR,1BA$8.27
SoMa Square1 Bedroom L1BR,1BA$5.92
645 Stockton Street1 Bedroom 1 Bath1BR,1BA$8.05
JasperS-2Studio ,1BA$9.05
500 FolsomPlan TwainStudio ,1BA$9.71
Yerba Buena CommonsStudioStudio ,1BA$5.02
225 Ellis StStudioStudio ,1BA$7.14
OSM Trade StreetStudioStudio ,1BA$7.09
FOUND Study San Francisco | Student HousingSingle Room (Private)1BR,1BA$6.67

Frequently Asked Questions about Union Square

What type of rentals are currently available in Union Square?

There are currently 337 Apartments for Rent in Union Square, CA with pricing that ranges from $1,300 to $9,780. There are also 37 Single Family Homes for rent, Condos, and Townhome rentals currently available in Union Square ranging from $3,600 to $30,000.

What is the current price range for Rental Homes in Union Square?

Today's rental pricing for Homes for Rent, Condos and Townhomes in Union Square ranges from $3,600 to $30,000 with an average monthly rent of $11,637.

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

decorative image for A San Francisco Local Expert’s Guide to the Top Budget-Friendly Bay Area Neighborhoods to Rent article

A San Francisco Local Expert’s Guide to the Top Budget-Friendly Bay Area Neighborhoods to Rent

Written by: Shannon Hilson

If you’re anything like me, the thought of San Francisco is synonymous with concepts like creativity, character, and quirky local style.

decorative image for Local Guide To the Best Student Friendly Neighborhoods to Rent Near Colleges in San Francisco article

Local Guide To the Best Student Friendly Neighborhoods to Rent Near Colleges in San Francisco

Written by: Shannon Hilson

Naturally, going away to college or university is super exciting in and of itself. It’s the prelude to the rest of your life, not to mention an unforgettable experience all its own.

decorative image for Where to Live, Where to Work: Your Guide to Top Neighborhoods to Rent Near San Francisco's 5 Best Employers article

Where to Live, Where to Work: Your Guide to Top Neighborhoods to Rent Near San Francisco's 5 Best Employers

Written by: Shannon Hilson

Deciding to move to San Francisco for work is a huge deal. San Fran is exciting and just weird enough to let you know you’re in for an amazing adventure, right from day one.

decorative image for Bay Living Like a Local: The Insiders Guide to Life and Renting in San Francisco, CA article

Bay Living Like a Local: The Insiders Guide to Life and Renting in San Francisco, CA

Written by: Shannon Hilson

San Francisco is so much more than just postcard-perfect views of cable cars and the Golden Gate Bridge.

Articles, How-To's, and Tips

decorative image for A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back article

A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back

Written by: Lauren Harrington

I’m going to talk with you as a seasoned property manager and friend. So, let’s start with your security deposit. I want you to think about this guide as insider information. You deserve your deposit back.

decorative image for Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts  article

Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Written by: Lauren Harrington

This article is based on first-hand experience managing apartment communities and helping renters adapt to their spaces after moving in.

decorative image for What Does “Rent Burdened” Mean? How Much Rent Is Too Much article

What Does “Rent Burdened” Mean? How Much Rent Is Too Much

Written by: Lauren Harrington

This article draws from first-hand renter experiences and recurring financial challenges reported after moving in.

decorative image for Maximizing Your Refund: Essential Tax Tips for Renters article

Maximizing Your Refund: Essential Tax Tips for Renters

Written by: Christine Leonard, Esq.

Other than tax professionals, I can’t think of anyone who looks forward to tax season. For everybody else, April is a stressful month to collect information and meet deadlines.