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Updated 5+ Days Ago
Highlights
Pet Friendly
- Open floor plan
- Chef-style kitchen
- Custom kitchen
- Original hardwood flooring
- Hot tub
- Laundry
Location
3900 21st St, San Francisco, CA 94114, USA|Castro
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Property Overview
Open floor plan with a chef-style custom kitchen, original hardwood flooring, in-home laundry, and a hot tub creates a comfortable and functional living space, showcased through 19 listing photos. Exceptional value per square foot in the area pairs with strong walkability, extensive public transit, and abundant nearby restaurants and parks. Outdoor spaces, pet-focused amenities nearby, and on-site recycling or composting support an active, socially vibrant, and sustainability-minded lifestyle.
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
Eco living
Pet owners
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.
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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 500 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 115% more than the average rent price for 3-bedroom apartments in San Francisco.
Median rents as of Sep 12 2026.
Castro
San Francisco
| Month | Median Rent |
|---|---|
| September 2024 | $5,100 |
| 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 | $6,811 |
| June 2026 | $7,000 |
| July 2026 | $7,094 |
| August 2026 | $7,682 |
| September 2026 | $7,738 |
| Month | Median Rent |
|---|---|
| September 2024 | $6,500 |
| 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 |
| May 2026 | $8,830 |
| June 2026 | $9,872 |
| July 2026 | $7,245 |
| August 2026 | $10,629 |
| September 2026 | $9,300 |
Rent history
The increase or decrease in monthly rent compared to the previous listing price.| 4 months ago | $19,995 |
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
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