$2,430,000
SOLD SEP 9, 2025

823 31st Ave San Mateo, CA 94403

Beresford Park Neighborhood
7 Beds
3.5 Baths
2,600 Sq Ft
8,115 Sq Ft Lot

Recently Sold

$935 Per Sq Ft

16% Above List Price

10 Days on Market

Highlights

  • Primary Bedroom Suite
  • Main Floor Bedroom
  • 2 Car Attached Garage
  • Hillsdale High School Rated A+
  • Electric Vehicle Charging Station
  • Eat-In Kitchen

About This Home

As of September 2025

Located in one of San Mateos most sought-after neighborhoods, 823 31st Ave is a beautifully maintained 7-bedroom, 3.5-bathroom home with approx. 2,600 sq. ft. of living space. This spacious residence combines modern updates with plenty of room, making it perfect for a growing family or those seeking versatility. The main level features a bright open living area with large windows, a modern kitchen, a dining area, and a cozy family room. Also on this level are three well-sized bedrooms and 1.5 bathrooms. Upstairs offers four spacious bedrooms and two full baths, including a primary suite with ample closet space and an en-suite bathroom. The large backyard is ideal for gatherings, gardening, or relaxing, and is easily accessible from the main living area. This home features a collection of mature fruit trees, including four orange trees, one lemon tree, one calamansi tree, and one white peach tree, adding both charm and seasonal bounty to the outdoor space. A spacious garage provides ample storage and parking and includes an EV charger, catering to modern convenience. Just minutes from downtown San Mateo, this home offers easy access to shopping, dining, parks, schools, and major highways for a convenient commute to Silicon Valley and San Francisco.

Last Agent to Sell the Property

Disen Cai

KW Advisors License #70010134 Listed on: 08/22/2025

KW Advisors

Last Buyer's Agent

Disen Cai

KW Advisors License #70010134 Listed on: 08/22/2025

KW Advisors

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $24,774

Year Built

  • Built in 1951

Lot Details

  • 8,115 Sq Ft Lot
  • Back Yard
  • Zoning described as R10006

Parking

  • 2 Car Attached Garage
  • On-Street Parking

Home Design

  • Shingle Roof
  • Concrete Perimeter Foundation

Interior Spaces

  • 2,600 Sq Ft Home
  • Separate Family Room
  • Living Room with Fireplace
  • Dining Area
  • Laundry in Garage

Kitchen

  • Eat-In Kitchen
  • Gas Oven
  • Microwave
  • Freezer
  • Dishwasher

Bedrooms and Bathrooms

  • 7 Bedrooms
  • Main Floor Bedroom
  • Primary Bedroom Suite
  • Remodeled Bathroom
  • Walk-in Shower

Utilities

  • Forced Air Heating System
  • Vented Exhaust Fan
  • Heating System Uses Gas

Community Details

  • Electric Vehicle Charging Station

Listing and Financial Details

  • Assessor Parcel Number 039-200-340

Home Details

Home Type

Single Family

Est. Annual Taxes

$24,774

Year Built

Built in 1951

Lot Details

0

Parking

2

Listing Details

  • Subclass: Single Family Home
  • Age: 74
  • Listing Class: Residential
  • Structure Sq Ft: 2600
  • Year Built: 1951
  • Zoning Description: R10006
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Family Room: Separate Family Room
  • Fireplace: Living Room
  • Dining Room: Dining Area, Eat in Kitchen
  • Kitchen: Dishwasher, Exhaust Fan, Freezer, Microwave, Oven Range - Gas, Refrigerator
  • Living Sq Ft: 2600
  • Bedrooms: More than One Bedroom on Ground Floor, Primary Suite / Retreat
  • Laundry: In Garage
  • Fireplaces Min: 1
  • Maximum Numberof Bedrooms: 7
  • Minimum Numberof Bedrooms: 7
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 7
  • Bathroom: Primary - Stall Shower(s), Updated Bath
  • Fireplace: Yes

Exterior Features

  • Foundation: Concrete Perimeter
  • Roof: Shingle
  • Yard/Grounds: Back Yard

Garage/Parking

  • Garage Spaces: 2
  • Parking Spaces: 2
  • Garage Max: 2
  • Garage Min: 2
  • Garage Parking Features: Attached Garage, On Street

Utilities

  • Heating System: Forced Air, Gas
  • Sewer/Septic System: Sewer - Public

Schools

  • School District: San Mateo Union High

Lot Info

  • Parcel Number: 039-200-340
  • Lot Acres: 0.1863
  • Lot Size Area Minimum Units: Square Feet
  • Minimum Lot Size: 8116.00
  • Lot Size Area Maximum Units: Square Feet
  • Maximum Lot Size: 8116.00

Multi Family

  • Utilities: Public Utilities

MLS Schools

  • High School District Text: San Mateo Union High

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Feb 14, 2025
Sold by
Koh Allen Young Ji and Koh Jennifer Soeun
Bought by
Koh Revocable Trust and Koh

Purchase Details

Closed on
Jun 23, 2021
Sold by
Belen Marsha N
Bought by
Koh Allen Young Ji and Park Jennifer

Purchase Details

Closed on
Sep 4, 2020
Sold by
Navat Freda B and Navat Rene R
Bought by
Navat Freda B and Navat Rene R

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,463,916
Interest Rate
2.9%
Mortgage Type
New Conventional

Purchase Details

Closed on
Dec 8, 2017
Sold by
Navat Rene R and Navat Freda B
Bought by
Navat Rene R and Navat Freda B

Purchase Details

Closed on
Oct 14, 2015
Sold by
Navat Rene R and Navat Freda B
Bought by
Navat Rene R and Navat Freda B

Purchase Details

Closed on
Feb 15, 2006
Sold by
Navat Rene R
Bought by
Navat Rene R and Navat Freda B

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$918,000
Interest Rate
5.95%
Mortgage Type
Unknown

Purchase Details

Closed on
Feb 11, 2004
Sold by
Navat Freda B
Bought by
Navat Rene R

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$645,000
Interest Rate
5.37%
Mortgage Type
New Conventional

Purchase Details

Closed on
Apr 10, 2003
Sold by
Navat Rene R and Navat Freda B
Bought by
Navat Rene R and Navat Freda B

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$614,350
Interest Rate
9.3%

Purchase Details

Closed on
Aug 5, 2000
Sold by
Navat Freda B and Navat Rene R
Bought by
Navat Rene R and Navat Freda B
Source: Public Records

Range of Values:

Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Type Sale Price Title Company
Deed -- None Listed On Document
Deed -- None Listed On Document
Grant Deed -- North American Title Co Inc
Grant Deed $1,913,000 North American Title Co Inc
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- Alliance Title
Interfamily Deed Transfer -- Stewart Title Of California
Interfamily Deed Transfer -- --
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $1,463,916 New Conventional
Previous Owner $918,000 Unknown
Previous Owner $150,000 Credit Line Revolving
Previous Owner $645,000 New Conventional
Previous Owner $614,350 No Value Available
Previous Owner $100,000 Unknown
Previous Owner $500,000 No Value Available
Previous Owner $423,750 Unknown
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
09/09/2025 09/09/25 Sold $2,430,000 +15.8% $935 / Sq Ft
09/02/2025 09/02/25 Pending -- -- --
08/22/2025 08/22/25 For Sale $2,099,000 -- $807 / Sq Ft
Source: MLSListings

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $24,774 $2,070,527 $1,298,917 $771,610
2023 $24,774 $1,990,129 $1,248,480 $741,649
2022 $23,835 $1,951,107 $1,224,000 $727,107
2021 $23,183 $1,912,850 $1,200,000 $712,850
2020 $12,384 $946,643 $678,190 $268,453
2019 $12,489 $928,083 $664,893 $263,190
2018 $6,404 $435,568 $178,510 $257,058
2017 $7,018 $427,028 $175,010 $252,018
2016 $7,115 $418,656 $171,579 $247,077
2015 $7,304 $412,368 $169,002 $243,366
2014 $6,826 $404,291 $165,692 $238,599
Source: Public Records

Agents Affiliated with this Home

  • Disen Cai

    Seller's Agent in 2025

    Disen Cai

    KW Advisors

    (650) 622-2156

    1 in this area

    323 Total Sales

    Disen Cai
    Section Image
See All Agents

Map

Source: MLSListings

MLS Number: ML82018966

MLSListings

APN: 039-200-340

California San Mateo County San Mateo 94403 Beresford Park

823 31st Ave, San Mateo, CA

This home is located at 823 31st Ave, San Mateo, CA 94403 and is currently priced at $2,430,000, approximately $934 per square foot. This property was built in 1951. 823 31st Ave is a home located in San Mateo County with nearby schools including Meadow Heights Elementary School, Abbott Middle School, and Hillsdale High School.

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

MLSListings Property Information © 2025 MLSListings Inc. All rights reserved. Listing information is deemed reliable but not guaranteed. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, MLSListings Inc. The viewer acknowledges ownership and validity of its copyright. Information provided is for personal, non-commercial use by a viewer with a bona fide interest in the purchase or sale of real estate of the type being offered via this website or other electronic means. The viewer is prohibited from copying, redistributing or retransmitting any of the data or information provided by MLSListing, Inc.

Nearby Homes