Zumper
modified
Updated 16 Hours Ago

Highlights

  • Caltrain
  • Updated kitchen
  • Updated bathroom
  • No smoking
  • Dedicated laundry room
  • Easy access

Location

21 E 40th Ave, San Mateo, CA 94403, USA|Hillsdale
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Tour 21 East 40th Ave.

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Management

The Scafine Group

Leasing office

(650) 444-9000

Property Overview

21 East 40th Ave. offers strong value with an 8.9/10 Zumper Expert Rating, supported by a 10/10 price score, 9/10 location and quality scores, and solid amenities. Notable features include Caltrain access, an updated kitchen and bathroom, no smoking, a dedicated laundry room, and easy access, while nearby grocery and elementary school distances add to the property’s overall convenience.

This summary uses Zumper’s proprietary data. “Zumper Expert Ratings” and “Things you’ll love” are based on our internal analyses of market trends and renter insights.

Zumper Expert Rating

8.9
Very Good
With a solid 8.9 out of 10 overall, 21 East 40th Ave. is a great option for renters. While some aspects, like Trustworthiness, might not be as distinguished as other properties nearby, 21 East 40th Ave. has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.

Things you’ll love

  • Elementary school nearby

Floor plans

0BR/1.0BAStudio1 bath$2,195 /mo1 unit available21 E 40th Ave #8 San Mateo, CA 94403 AVAILABLE: Immediately FEATURES: - Large Studio - 1 Bathroom - Updated kitchen - Updated bathroom - Dedicated laundry room - Private covered carport - Large storage closet LOCATION: - Property is located for your commute. Easy access to Highways 92 and 101 - Close distance to Hillsdale Caltrain! - Walking Distance to Hillsdale shopping center, which includes restaurants, movie theaters, coffee shops, convenience stores and much more! LEASE TERMS: - 1-year min. lease term - No pets. No smoking - Rent: $2,195 - Security Deposit: $2,195 - Water and garbage are included in the lease Connor Herminghaus (650) 444-9000 **** DRE # 02157400

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Amenities for 21 East 40th Ave.

Apartment Amenities

Water

Services

Garbage
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

Dog Policy

Not allowed

Cat Policy

Not allowed

No pets allowed.

Questions about this property’s policies and fees?

Building details

Property details

Units7
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About 21 East 40th Ave.

HomeApartments in San MateoHillsdale 21 East 40th Ave.

21 E 40th Ave #8 San Mateo, CA 94403 AVAILABLE: Immediately FEATURES: - Large Studio - 1 Bathroom - Updated kitchen - Updated bathroom - Dedicated laundry room - Private covered carport - Large storage closet LOCATION: - Property is located for your commute. Easy access to Highways 92 and 101 - Close distance to Hillsdale Caltrain! - Walking Distance to Hillsdale shopping center, which includes restaurants, movie theaters, coffee shops, convenience stores and much more! LEASE TERMS: - 1-year min. lease term - No pets. No smoking - Rent: $2,195 - Security Deposit: $2,195 - Water and garbage are included in the lease Connor Herminghaus (650) 444-9000 **** DRE # 02157400


Zumper Expert Rating

Our expert rating is based on a weighted average score of property attributes that renters care about most: price, amenities, location, quality, and trust.
8.9
/10
Very Good
With a solid 8.9 out of 10 overall, 21 East 40th Ave. is a great option for renters. While some aspects, like Trustworthiness, might not be as distinguished as other properties nearby, 21 East 40th Ave. has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.
How we rated 21 East 40th Ave.
Price·10A score that weighs the cost and location of the property, which we calculate by comparing rent prices of recent units to the median price of nearby rentals, adjusting for overall quality and features.
21 East 40th Ave. offers an excellent balance between price and value. It's priced competitively for its amenities, location, and other key features. Compared to the median price per bedroom in the area, this property is less than, or about the same as, nearby rentals, so residents can expect great value without too many compromises on their desired standard of living.
Amenities·8A score based on the amenities offered at this property compared to other rentals in the area. We consider the quantity, quality, and popularity of features both on site and within the units.
With multiple in-demand amenities, 21 East 40th Ave. is committed to enhancing the renting experience. And while it may have fewer total conveniences and features than similar rentals nearby, it remains a top choice for renters wanting an specific standard of living.
Location·9A score based on proximity and ease of access to shops, restaurants, schools, and public transportation while considering the desirability of the area.
21 East 40th Ave. is exceptional when it comes to location and conveniences. Communication with management or leasing staff is usually quick and easy and they often use advanced scheduling and communication tools to streamline the process. The location of this property offers easy access to popular points of interest in the area and options for getting around.
Quality·9A score based on what makes the property stand out, such as luxury features, unique offerings, age of the building, and our ability to verify the accuracy of these details.
21 East 40th Ave. has a few standout characteristics that set it apart from similar properties nearby. Having both verified status and features that cater to discerning renters, this is a great option for renters looking for a specific and exceptional lifestyle.
Trustworthiness·7A score based on the accuracy, completeness, recency, and usefulness of the information provided by this property, so you can trust that what you see is what you get.
21 East 40th Ave. provides some information about the features available in the community and its apartments, making it a reliable option for prospective renters. Renters should ask additional questions about amenities and non-negotiable items they are looking for.

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 21 East 40th Ave. compares to other nearby properties.

Positives

Elementary school nearby
There is an elementary school 0.3 mile away

Considerations

Greater distance from high schools
The nearest high school is farther than 1 mile away
Lacks images
Fewer than 10 photos available for this location

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Rent trends in Hillsdale

Median rents as of Sep 19 2026.
Hillsdale
San Mateo
A table of 1-bedroom apartment rental data trends in San Mateo
MonthMedian Rent
October 2024$2,627
November 2024$2,530
December 2024$2,497
January 2025$2,550
February 2025$2,692
March 2025$2,770
April 2025$2,775
May 2025$2,803
June 2025$2,868
July 2025$2,912
August 2025$2,933
September 2025$2,983
October 2025$3,187
November 2025$2,854
December 2025$2,783
January 2026$2,727
February 2026$2,674
March 2026$2,914
April 2026$2,831
May 2026$2,906
June 2026$2,917
July 2026$2,906
August 2026$2,880
September 2026$3,220
A table of 1-bedroom apartment rental data trends in Hillsdale
MonthMedian Rent
October 2024$2,775
November 2024$2,961
December 2024$3,278
January 2025$3,420
February 2025$3,529
March 2025$3,417
April 2025$3,560
May 2025$3,625
June 2025$3,539
July 2025$3,576
August 2025$3,644
September 2025$3,861
October 2025$3,699
November 2025$3,533
December 2025$3,485
January 2026$3,209
February 2026$3,104
March 2026$3,818
April 2026$3,502
May 2026$3,657
June 2026$3,681
July 2026$3,767
August 2026$3,626
September 2026$4,357

Affordability calculator

Can I afford to live at 21 E 40th Ave?

Bedrooms

Studio

Rent-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

$87,800/yr

With your selected rent-to-income ratio, you'd ideally want to make $87,800 annually to afford this studio monthly rent price of $2,195.
For more information on rent affordability, visit our rent calculator.

Schools near 21 East 40th Ave.

George Hall Elementary School

130 san miguel way

san mateo, CA, 94403

K-5Public
A

San Mateo County Special Education

101 twin dolphin dr

redwood city, CA, 94065

K-12Public

Mariposa

750 dartmouth ave

san carlos, CA, 94070

4-5Public
A

Beach Park Elementary School

1058 shell blvd

foster city, CA, 94404

K-5Public
A

Arroyo

1710 arroyo ave

san carlos, CA, 94070

4-5Public
A
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Internet available near 21 East 40th Ave.

Getting around San Mateo near 21 E 40th Ave

Walking

5/10
Some shops and stores are within a few minutes.

Driving

9/10
Commuting is easy with multiple accessible routes and plenty of parking.

Cycling

5/10
More spots are within biking distance and some roads are cyclist-friendly.

Transit

4/10
There are a few mass transit options within the area.

Points of interest for 21 E 40th Ave, San Mateo

Groceries

8/10
At least one grocery store within a few minutes' walk

Shopping

7/10
Variety of shops within walking distance

Cafes

5/10
Some cafés within walking distance

Restaurants

6/10
Variety of restaurants within walking distance

Primary schools

8/10
At least one elementary school within a 10-minute walk

High schools

2/10
No high schools within a 30-minute walk

Parks

7/10
Moderate amount of park space nearby

Nightlife

4/10
Few or no bars within walking distance

Explore the area around 21 E 40th Ave

Trader Joe's
45 W Hillsdale Blvd
Aladdin Gourmet International
208 E Hillsdale Blvd
Aladdin Market
208 E Hillsdale Blvd
India Grocery & Spice
218 E Hillsdale Blvd
Whole Foods Market
1010 Park Pl

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