657 42nd Ave, San Mateo, CA 94403
OFF MARKET

$2,444,300

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 1,790 sqft (on 0.45 acres)

657 42nd Ave, San Mateo, CA 94403

Southwest Hillsdale
Est. Refi. Payment $14,935/mo*
Refinance Your Home

Home Value

Trulia Estimate
$2.44M
Since last month
Decreased$8K (-0.3%)
Since last year
Increased$137K (+5.9%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +63% in the last 10 years
MonthEstimated value
2026
August 2026$2.44M
August 2026$2.43M
July 2026$2.45M
June 2026$2.5M
May 2026$2.51M
April 2026$2.53M
March 2026$2.59M
February 2026$2.48M
January 2026$2.37M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3915 Kingridge Dr, San Mateo, CA
0.18
Single-Family Home
$1,625,000
12/23/25
3
2
1,680
723 Linda Ct, San Mateo, CA
0.07
Single-Family Home
$2,400,000
06/26/26
4
2
2,030
3820 Fernwood St, San Mateo, CA
0.22
Single-Family Home
$1,830,000
02/27/26
3
2
1,750
3303 Haskins Dr, Belmont, CA
0.11
Single-Family Home
$2,220,000
11/25/25
3
2.5
2,497
4233 Bettina Ave, San Mateo, CA
0.22
Single-Family Home
$85,000
04/30/26
3
2
1,730
740 Dalehurst Ave, San Mateo, CA
0.21
Single-Family Home
$2,001,000
10/15/25
3
2
1,880
708 Linda Ct, San Mateo, CA
0.14
Single-Family Home
$3,424,243
10/14/25
3
2.5
2,266
3224 E Laurel Creek Rd, Belmont, CA
0.16
Single-Family Home
$2,000,000
06/09/26
3
2
1,784
3611 Kingridge Dr, San Mateo, CA
0.37
Single-Family Home
$2,500,000
12/02/25
3
2
2,110
2728 Sequoia Way, Belmont, CA
0.09
Single-Family Home
$3,325,000
12/18/25
3
2.5
3,250

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
661 42nd Ave, San Mateo, CA 94403
0.02
$2,240,400
3
2.5
2,210
Off Market
723 Linda Ct, San Mateo, CA 94403
0.07
$2,400,000
4
2
2,030
Recently Sold
2728 Sequoia Way, Belmont, CA 94002
0.09
$3,325,000
3
2.5
3,250
Recently Sold
721 Linda Ct, San Mateo, CA 94403
0.09
$3,263,700
4
2.5
2,380
Off Market
608 High View Ct, San Mateo, CA 94403
0.10
$2,795,700
4
3
1,770
Off Market
2945 Monte Cresta Dr, Belmont, CA 94002
0.10
$2,399,000
3
2.5
1,970
For Sale
3403 Haskins Dr, Belmont, CA 94002
0.11
$3,200,000
6
3
2,500
Recently Sold
2943 Monte Cresta Dr, Belmont, CA 94002
0.11
$1,871,700
3
2
1,550
Off Market
3303 Haskins Dr, Belmont, CA 94002
0.11
$2,220,000
3
2.5
2,497
Recently Sold
Longfellow Dr, Belmont, CA 94002
0.12
$150,000
-
-
-
Recently Sold
4004 Kingridge Dr, San Mateo, CA 94403
0.12
$2,930,900
4
2
2,030
Off Market
2928 Alhambra Dr, Belmont, CA 94002
0.13
$500,000
-
-
-
For Sale

Local Information

  • Map ViewExplore the area around 657 42nd Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1962
0.45 acre lot
1,790 sqft
$1,366/sqft
Garage

About this House

This single-family home is located at 657 42nd Ave, San Mateo, CA. 657 42nd Ave is in the Southwest Hillsdale neighborhood in San Mateo, CA and in ZIP code 94403. This property has 3 bedrooms, 2 bathrooms and approximately 1,790 sqft of floor space. This property has a lot size of 0.45 acres and was built in 1962.
657 42nd Ave, San Mateo, CA 94403 is a 3 bedroom, 2 bathroom, 1,790 sqft single-family home in Southwest Hillsdale, built in 1962. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,444,300, with a rent estimate of $6,640/month.

Home Details for 657 42nd Ave

Interior Features

Levels, Entrance, & Accessibility
Stories: 1
Interior Details
Number of Rooms: 7

Property Information

Year Built
Year Built: 1962
Property Type / Style
Property Type: Single Family Home

Exterior Features

Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 0.45 acres

Price and Tax history

YearProperty taxTax assessment
2025
$8,540
$582,809
Home facts updated by county records

Market trends in San Mateo

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.81M
$8.33KMoM
Sale-to-List Price
106.6%
0.4%MoM
Price per sq ft
$1.18K
$12MoM
Available listings
146
34MoM

Around this home

Neighborhood Overview

Southwest Hillsdale
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Southwest Hillsdale

At least 8 Trulia users voted on each feature.

  • 100 % Say yards are well-kept

  • 100 % Say it's dog friendly

  • 100 % Say parking is easy

  • 100 % Say there's holiday spirit

  • 89 % Say car is needed

  • 88 % Say there's wildlife

  • 79 % Say people would walk alone at night

  • 77 % Say streets are well-lit

  • 73 % Say it's quiet

  • 73 % Say kids play outside

  • 72 % Say neighbors are friendly

  • 59 % Say they plan to stay for at least 5 years

  • 50 % Say it's walkable to grocery stores

  • 44 % Say it's walkable to restaurants

  • 44 % Say there are sidewalks

  • 44 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Jennifer M.
    "It’s quite and most of the neighbors have dogs. So it is very animal friendly. It’s also very clean so you don’t have to worry about your dogs getting ahold of possibly dangerous scraps."
    0
    Flag
  • Glenn
    "I don’t use it because I work at home. But I know it’s very good and easy to use to get around the Bay Area "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 657 42nd Ave

  • What is 657 42nd Ave estimated to be worth?
    Trulia's estimated value for 657 42nd Ave in San Mateo, CA is $2,444,300.
  • Is San Mateo a buyer's or seller's market?
    San Mateo is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in San Mateo?
    The median sale price in San Mateo is $1.81M. That is down $8.33K from the prior month.
  • What do residents say about the Southwest Hillsdale neighborhood?
    Residents describe the Southwest Hillsdale neighborhood in San Mateo, CA as well-kept, dog-friendly, and easy to park in. Most residents say you need a car. See recently sold homes in Southwest Hillsdale, San Mateo.
  • How big is the lot at 657 42nd Ave?
    The lot at 657 42nd Ave in San Mateo, CA is about 0.45 acres (19,558 sq ft).
  • Does 657 42nd Ave have a garage?
    Yes, 657 42nd Ave in San Mateo, CA has a garage.

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