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21 E 40th Ave

San Mateo, CA 94403 - San Mateo County

Apartment

Studio

1 bath

No pets

Laundry on site

About 21 E 40th Ave

21 E 40th #3. San Mateo, CA 94403. Available: Immediately. Features: Large Studio. Remodeled kitchen. Remodeled bathroom. New flooring. New paint. 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: $2,395. Security Deposit: $2,395. Water and garbage are included in the lease. Connor Herminghaus. DRE 02157400.

3 days on RentalSource

RentalSource last checked: 1 day ago · Listing updated: November 11, 2026

Managed by The Scafine Group · (650) 444-9000

Listing data quality - We review listings daily to detect outdated, duplicate, or misleading information.

Property Summary

Property Type:	Apartment
Rental Fee:	$2,395
Bedrooms:	Studio
Bathrooms:	1 bath
Size:	Inquire

Pets:	No
Laundry:	On site
Parking:	Yes
Available:	November 18, 2026
ID:	84541920

Amenities

Water & Trash Included
Laundry Facilities
Parking
Smoke-Free
Storage

Leasing Information

Fees

Deposit $2,395 (mandatory, refundable, move-in).

Additional Details

This studio apartment at 21 E 40th Ave in San Mateo, CA 94403 rents for $2,395 a month. 21 E 40th Ave was advertised by The Scafine Group on November 11, 2026.

Affordability Calculator

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

Bedrooms

Studio

Rent-to-income ratio

30%

10% Recommended 50%

Move the slider to select the percentage of your monthly income you're comfortable spending on rent. Typically, it's advised to spend about 30% or less on housing.

Recommended income

$95,800 /year

With your chosen rent-to-income ratio, an annual income of $95,800 is recommended to comfortably afford this studio rental priced at $2,395 per month.

For more information on rent affordability, visit our rent calculator or rent vs. buy calculator.

Commute

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Apartment for rent

$2,395

Deposit $2,395 · All fees

Can I afford this home?

Interested in 21 E 40th Ave?

Find out more about this property & see if it's available now.

Property managed by

The Scafine Group

(650) 444-9000

Avoid rental scams - Situations involving wire transfers or a landlord who can't meet you in person can be red flags.

Ask About 21 E 40th Ave

21 E 40th Ave, San Mateo, CA 94403 - Apartment for Rent

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