NOT LISTED FOR SALE

840 9th Ave San Mateo, CA 94402

Hayward Park Neighborhood

Estimated Value: $1,019,591 - $1,156,000

5 Beds
2 Baths
2,239 Sq Ft
$488/Sq Ft Est. Value

Sale Details

Date Sold: March 7, 2026

Last sale price $1,100,000 $491 Per Sq Ft

Est. 1% decrease in value since last sale

Current estimated payment $6,645 / mo

Highlights

  • No HOA
  • Garage
  • Forced Air Heating System
  • Borel Middle School Rated A-
  • Fireplace
  • Carpet

About This Home

As of March 2026

SOLD OFF MARKET

Last Agent to Sell the Property

Lily Do

Compass License #01728793 Listed on: 03/06/2026

Compass

Last Buyer's Agent

Perry Chiu

License #01737969

Property Details

Home Type

  • Multi-Family

Year Built

  • Built in 1927

Lot Details

  • 5,146

Parking

  • Garage

Home Design

  • Duplex
  • Rolled or Hot Mop Roof
  • Stucco

Flooring

  • Carpet
  • Linoleum

Bedrooms and Bathrooms

  • 5 Bedrooms
  • 2 Bathrooms

Additional Features

  • Fireplace
  • 5,146 Sq Ft Lot
  • Forced Air Heating System

Community Details

  • No Home Owners Association

Listing and Financial Details

  • Assessor Parcel Number 033315040

Property Details

Home Type

Multi-Family

Year Built

Built in 1927

Lot Details

5,146 Sq Ft Lot

Listing Details

  • Year Built: 1927
  • Property Sub Type: Duplex
  • Prop. Type: Residential Income
  • Subdivision Name: Other
  • Directions: S Delaware to 9th Ave
  • Garage Yn: Yes
  • Special Features: None

Interior Features

  • Flooring: Linoleum, Carpet
  • Total Bedrooms: 5
  • Fireplace: Yes

Exterior Features

  • Roof: Rolled/Hot Mop
  • Lot Features: Level
  • Construction Type: Stucco

Garage/Parking

  • Parking Features: Attached, Detached

Utilities

  • Heating: Forced Air
  • Cooling: No Air Conditioning
  • Cooling Y N: Yes
  • Heating Yn: Yes

Condo/Co-op/Association

  • Association: No

Schools

  • Senior High School District: San Mateo Union High

Lot Info

  • Lot Size Sq Ft: 5146
  • Parcel Number: 033315040

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 6, 2026
Closed on
Feb 5, 2026
Sold by
Bought by
Seller's Agent
Lily Do
Compass
Buyer's Agent
Perry Chiu
List Price
$999,000
Sold Price
$1,100,000
Premium/Discount to List
$101,000
10.11%
Views
5
Current Estimated Value
$1,093,648

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$6,352
Avg. Annual Appreciation
-1.98%
Original Mortgage
$770,000
Outstanding Balance
$768,489
Interest Rate
6.09%
Mortgage Type
New Conventional
Estimated Equity
$325,159

Purchase Details

Closed on
Jan 31, 1995
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$265,500
Interest Rate
6.75%
Mortgage Type
Purchase Money Mortgage
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$1,100,000 Chicago Title Company
-- Old Republic Title Ins Co
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $770,000
Previous Owner $265,500
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
03/07/2026 03/07/26 Sold $1,100,000 +10.1% $491 / Sq Ft
03/06/2026 03/06/26 Pending -- -- --
03/06/2026 03/06/26 For Sale $999,000 -- $446 / Sq Ft
Source: Bay East Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $8,861 $419,730 $146,410 $273,320
2023 $8,861 $403,433 $140,726 $262,707
2022 $8,931 $395,523 $137,967 $257,556
2021 $8,370 $387,768 $135,262 $252,506
2020 $7,455 $383,793 $133,876 $249,917
2019 $6,931 $376,268 $131,251 $245,017
2018 $6,423 $368,891 $128,678 $240,213
2017 $6,487 $361,658 $126,155 $235,503
2016 $5,935 $354,568 $123,682 $230,886
2015 $5,762 $349,243 $121,825 $227,418
2014 $5,394 $342,403 $119,439 $222,964
Source: Public Records

Agents Affiliated with this Home

  • Lily Do

    Seller's Agent in 2026

    Lily Do

    Compass

    (510) 520-9891

    1 in this area

    220 Total Sales

    Lily Do
    Section Image
  • Perry Chiu

    Buyer's Agent in 2026

    Perry Chiu

    (415) 213-1600

    1 in this area

    45 Total Sales

    Perry Chiu
    Section Image
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Map

Source: Bay East Association of REALTORS®

MLS Number: 41126370

Bay East Association of REALTORS®

APN: 033-315-040

California San Mateo County San Mateo 94402 Hayward Park

840 9th Ave, San Mateo, CA

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Bay East Association of REALTORS® Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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