2139 Isabelle Ave, San Mateo, CA 94403
OFF MARKET

2139 Isabelle Ave
San Mateo, CA 94403

Twenty-Fifth Ave
  • 3 Beds
  • 1 Bath
  • 1,260 sqft

$1,567,400

Trulia Estimate
as of Aug 23, 2026
Est. Refi. Payment $9,530/mo*

$1,567,400

Trulia Estimate
as of Aug 23, 2026
Est. Refi. Payment $9,530/mo*
3 Beds
1 Bath
1,260 sqft

Home Value

Trulia Estimate
$1.57M
Since last month
Decreased$14K (-0.9%)
Since last year
Increased$115K (+7.9%)
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 +25% in the last 10 years
MonthEstimated value
2026
August 2026$1.57M
July 2026$1.58M
June 2026$1.57M
May 2026$1.57M
April 2026$1.59M
March 2026$1.62M
February 2026$1.54M
January 2026$1.46M
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
0.15
Single-Family Home
$2,650,000
07/22/26
3
2.5
2,010
0.19
Single-Family Home
$2,360,000
10/23/25
3
2
1,560
0.46
Single-Family Home
$2,005,000
05/29/26
3
1
1,230
0.32
Single-Family Home
$2,525,000
07/01/26
3
2
1,760
0.45
Single-Family Home
$1,825,000
12/19/25
2
1
1,220
0.26
Single-Family Home
$1,775,000
09/17/25
2
2
1,220
0.22
Single-Family Home
$2,500,000
07/24/26
3
3
1,626
0.57
Single-Family Home
$2,450,000
04/24/26
3
2
1,320
0.36
Single-Family Home
$1,690,000
10/24/25
3
2
1,500
0.34
Single-Family Home
$1,850,000
11/18/25
3
2
1,972

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
0.09
$2,532,200
3
2
1,665
Off Market
0.10
$2,786,900
3
2
2,515
Off Market
0.07
$2,465,800
4
2.5
2,370
Off Market
0.09
$3,664,600
13
13
6,968
Off Market
0.14
$1,132,100
2
2
1,434
Off Market
0.14
$1,092,100
2
2.5
1,394
Off Market
0.14
$862,700
2
2
1,198
Off Market
0.14
$975,000
2
2
1,552
For Sale
0.14
$850,000
2
1
1,004
Recently Sold
0.09
$3,545,700
5
3
3,025
Off Market
0.14
$1,050,000
2
2.5
1,507
Recently Sold
0.15
$799,400
2
2
1,213
Off Market

Local Information

  • Map ViewExplore the area around 2139 Isabelle Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1940
Living Area
1,260 sqft
Price/Sqft
$1,244
Parking
Garage

About this House

This single-family home is located at 2139 Isabelle Ave, San Mateo, CA. 2139 Isabelle Ave is in the Twenty-Fifth Ave neighborhood in San Mateo, CA and in ZIP code 94403. This property has 3 bedrooms, 1 bathroom and approximately 1,260 sqft of floor space. This property has a lot size of 10236 sqft and was built in 1940.
2139 Isabelle Ave, San Mateo, CA 94403 is a 3 bedroom, 1 bathroom, 1,260 sqft single-family home in Twenty-Fifth Ave, built in 1940. It is currently off market. The Trulia Estimate is $1,567,400, with a rent estimate of $5,731/month.

Home Details for 2139 Isabelle Ave

Interior Features

Interior Details
BasementNumber of Rooms: 6
Levels, Entrance, & Accessibility
Stories: 1

Property Information

Year Built
Year Built: 1940
Property Type / Style
Property Type: Single Family Home

Exterior Features

Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 10236 sqft

Price and Tax history

YearProperty taxTax assessment
2025
$2,905
$112,873
Home facts updated by county records

Market trends in San Mateo

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

Around this home

The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Neighborhood stats provided by third party data sources.

What Locals Say about Twenty-Fifth Ave

At least 92 Trulia users voted on each feature.
  • 95 % Say there are sidewalks

  • 88 % Say it's walkable to restaurants

  • 83 % Say it's walkable to grocery stores

  • 81 % Say it's dog friendly

  • 78 % Say people would walk alone at night

  • 77 % Say car is needed

  • 69 % Say parking is easy

  • 67 % Say kids play outside

  • 67 % Say streets are well-lit

  • 58 % Say there's holiday spirit

  • 51 % Say yards are well-kept

  • 51 % Say it's quiet

  • 49 % Say they plan to stay for at least 5 years

  • 46 % Say neighbors are friendly

  • 34 % Say there are community events

  • 32 % Say there's wildlife

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "Heavy traffic can be a problem for dogs. Very friendly dogs as well as friendly pet owners. Local dog park is only 5/10 minutes away "
  • Trulia User
    "Halloween on Portola Dr is huge, just about everyone decorated and hundreds of kids come from all around. "
  • Carmenccw
    "Lots of dog owners in the area and plenty of people walking dogs at all hours. Most people are friendly enough to let your dogs play with theirs and chat with you."
  • Assumption C.
    "I really like this location nearby malls and restaurants also all the transportation are accessible and easy access with everything"
  • Gpmelas
    "Very well located easy to go around, safe and with lots of green. Overall a nice neighborhood. We like it "
  • Melaniejpavlovic
    "Family friendly and safe neighborhood. Long time residents and several schools with local shopping within walking distance"
  • chuck c.
    "Close to almost everything and very safe neighborhood. Traffic on Palm Ave is heavy at times. Overall a great place to live!!"

LGBTQ Local Legal Protections

Frequently asked questions about 2139 Isabelle Ave

  • What is 2139 Isabelle Ave estimated to be worth?
    Trulia's estimated value for 2139 Isabelle Ave in San Mateo, CA is $1,567,400.
  • 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 Twenty-Fifth Ave neighborhood?
    Residents describe the Twenty-Fifth Ave neighborhood in San Mateo, CA as pedestrian-friendly, walkable to restaurants, and walkable to grocery stores. See recently sold homes in Twenty-Fifth Ave, San Mateo.
  • How big is the lot at 2139 Isabelle Ave?
    The lot at 2139 Isabelle Ave in San Mateo, CA is about 0.23 acres (10,236 sq ft).
  • Does 2139 Isabelle Ave have a garage?
    Yes, 2139 Isabelle Ave in San Mateo, CA has a garage.

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