5+ Days Ago
Highlights
Pet Friendly
Location
3900 21st St, San Francisco, CA 94114, USA|Castro
Tour 3900 21st St
Contact
Rentals Inc.
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Property Overview
Located in a highly walkable, transit-accessible neighborhood with 567 nearby restaurants and 66 parks within a mile, the home offers strong social-life appeal and supports environmentally conscious living through nearby public transit and on-site recycling/composting options. Pet owners benefit from outdoor spaces on-site plus easy access to pet amenities, including 20 pet supply stores, 5 dog parks, and 5 grooming services. A high value per square foot and 19 listing photos further highlight its desirability and help renters quickly understand what’s offered.
This summary uses Zumper’s proprietary data. “Things you’ll love” and “Great for” are based on our internal analyses of market trends and renter insights.
Things you’ll love
More space- Fireplace
- Images Available
Great for
Pet owners
Eco living
Social life
Amenities for 3900 21st St, Castro
Features
| Fireplace | Hardwood Floor |
| Tenant Pays All Utilities | Tenant Pays Trash Removal |
Appliances
| In-Unit Laundry | Washer and Dryer |
Community
| Cats OK | Dogs OK |
| Onsite Laundry |
Grounds
| Assigned Parking | Garage Parking |
| Outdoor Space | Yard |
Other
| Tenant Pays Water/Sewer |
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.
Policies and fees
Applicants
Applicants
One-time.
Contact Property
REQUIRED FEES
Security Deposit
One-time. Refundable.
Contact Property
Parking Policy
Assigned Parking
Dog Policy
Allowed
Cat Policy
Allowed
Contact for more information on pet policy.
Questions about this property’s policies and fees?
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About 3900 21st St
This beautifully updated three bedroom, two-bath home on a large corner lot offers a rare combination of high-end design, smart function, and outdoor living in the heart of Dolores Heights / Astro-Boulder. The open floor plan is anchored by a striking chef-style kitchen designed for people who actually cook and entertain. Steps from Dolores Park, Valencia St, Noe Valley and Castro corridors with easy access to transit, dining, shopping, and nightlife. 3 bedroom 2 bathroom SQFT ~ 2000SQFT Perfect family home Corner lot (wider lot size compared to non-corner) Custom kitchen with professional cooktop and full height quartzite backsplash Views of downtown san Francisco Original hardwood flooring Gas fireplace insert (rated heating unit) Electric wall heating units in each bedroom Side yard w/ garden area and hot tub on upper tier Large palm trees shade house in afternoon sun Gardening and hot tub service is included in rent Bonus downstairs room with Laundry Master bedroom shower and steam unit with dual shower heads 2 car garage with 3rd tier area for tool/storage area Regularly experience parrots flying over home Rentals Inc. Broker #02124746 Rentalsinc. com
Property highlights
We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.How 3900 21st St compares to other nearby properties.
Positives
- More space
- The 3-bedroom is 650 sqft larger than other listings nearby
- Fireplace
- Upgraded in-unit features
- Images Available
- There are at least 10 photos of this address
Address details
| Neighborhood | Castro |
|---|---|
| Zip code | 94114 |
| Type | House for rent |
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Rent trends in Castro
3-bedroom apartments at 3900 21st St cost about 225% more than the average rent price for 3-bedroom apartments in San Francisco.
Median rents as of May 9 2026.
Castro
San Francisco
| Month | Median Rent |
|---|---|
| May 2024 | $4,988 |
| June 2024 | $4,987 |
| July 2024 | $4,983 |
| August 2024 | $5,008 |
| September 2024 | $5,050 |
| October 2024 | $5,119 |
| November 2024 | $5,118 |
| December 2024 | $5,050 |
| January 2025 | $5,198 |
| February 2025 | $5,311 |
| March 2025 | $5,105 |
| April 2025 | $5,124 |
| May 2025 | $5,214 |
| June 2025 | $5,531 |
| July 2025 | $5,750 |
| August 2025 | $5,670 |
| September 2025 | $6,272 |
| October 2025 | $6,231 |
| November 2025 | $5,996 |
| December 2025 | $5,975 |
| January 2026 | $6,021 |
| February 2026 | $5,997 |
| March 2026 | $5,995 |
| April 2026 | $6,245 |
| May 2026 | $6,665 |
| Month | Median Rent |
|---|---|
| May 2024 | $7,500 |
| June 2024 | $6,360 |
| July 2024 | $5,427 |
| August 2024 | $5,463 |
| September 2024 | $5,978 |
| October 2024 | $6,297 |
| November 2024 | $6,138 |
| January 2025 | $5,537 |
| February 2025 | $5,495 |
| March 2025 | $5,850 |
| April 2025 | $5,850 |
| May 2025 | $5,585 |
| June 2025 | $5,845 |
| July 2025 | $6,455 |
| August 2025 | $6,145 |
Affordability calculator
Can I afford to live at 3900 21st St?
Bedrooms
3 bedroomsRent-to-income ratio
30%
Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income
$799,800/yr
With your selected rent-to-income ratio, you'd ideally want to make $799,800 annually to afford this 3-bedrooms monthly rent price of $19,995.
For more information on rent affordability, visit our rent calculator.
Schools near 3900 21st St
Harvey Milk Civil Rights Elementary
4235 19th st
san francisco, CA, 94114
K-5Public
A
Rooftop Elementary School
443 burnett ave
san francisco, CA, 94131
K-8Public
A-
Buena Vista Horace Mann K-8
3351 23rd st
san francisco, CA, 94110
K-8Public
B-
Mission Education Center
1670 noe st
san francisco, CA, 94131
K-5Public
C
Chinese Immersion School At Deavila
1250 waller st
san francisco, CA, 94117
K-5Public
A
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Internet available near 3900 21st St
Getting around San Francisco near 3900 21st St
Walking
8/10
No car? No problem. Everything you need is within a few blocks.
Driving
6/10
This area is accessible to thoroughfares and has ample parking options.
Cycling
6/10
More spots are within biking distance and some roads are cyclist-friendly.
Transit
10/10
Getting around is a breeze; rapid transit and bus lines are a few blocks away.
Points of interest for 3900 21st St, San Francisco
Groceries
10/10
At least one supermarket within a 5-minute walk
Shopping
8/10
Wide variety of shops within a few minutes' walk
Cafes
8/10
Wide variety of cafés within a few minutes’ walk
Restaurants
9/10
Exceptional variety of restaurants within a few minutes’ walk
Primary schools
9/10
At least one elementary school within a 5-minute walk
High schools
8/10
At least one high school within a 15-minute walk
Parks
8/10
Large amount of park space nearby
Nightlife
9/10
Exceptional variety of bars right within a few minutes’ walk
Explore the area around 3900 21st St
Reliance Market
699 Castro St
1001 Castro Street Market
1001 Castro St
Noe Hill Market
4001 19th St
Whole Foods Market
3950 24th St
Mollie Stone's Markets
4201 18th St
Castro Street Tailors
550 Castro St
Aegean Delights
545 Castro St
Lace & Liberty
1301 Castro St
Small Frys
3985 24th St
Michelle's Tailor
1352 Castro St
Spikes Coffees & Teas
4117 19th St
Neighbor's Corner
499 Douglass St
Philz Coffee
549 Castro St
Starbucks
3995 24th St
Castro Country Club
4058 18th St
MGM Resorts International
3600 Las Vegas Blvd S
The Valley Tavern
4054 24th St
Midnight Sun
4067 18th St
Moby Dick
4049 18th St
The Edge
4149 18th St
Buffalo Whole Food & Grain Co
598 Castro St
Anchor Oyster Bar
579 Castro St
Noe Valley Bakery
4073 24th St
Native Baking Co LLC
65 Vicksburg St
Posh Bagels
495 Castro St
Eureka Valley Playground
Seward Mini Park
Noe Valley Courts
Kite Hill
Mission Dolores Park
Thai House Express Restaurant
599 Castro St
Good Enuf to Eat LLC
584 Castro St
Patos De Pato Casa LLC
584 Castro St
Heroic Italian
572 Castro St
Castro Tarts
564 Castro St
Castro St & 21st St
DIVISADERO
Castro St & 21st St
DIVISADERO
Castro St & 22nd St
DIVISADERO
Castro St & 22nd St
DIVISADERO
Castro St & 20th St
DIVISADERO
22nd Street
Caltrain
22nd Street
Caltrain
San Francisco
Caltrain
San Francisco
Caltrain
Bayshore
Caltrain
Church St & 22nd St
CHURCH
Church St & 22nd St
CHURCH
Right Of Way/20th St
CHURCH
Right Of Way/20th St
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Right Of Way/21st St
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