NOT LISTED FOR SALE
-- Beds
-- Baths
2,779 Sq Ft
9,148 Sq Ft Lot

About This Home

This home is located at 721 Sylvan Ave, Mountain View, CA 94041. 721 Sylvan Ave is a home located in Santa Clara County with nearby schools including Edith Landels Elementary School, Isaac Newton Graham Middle School, and Mountain View High School.

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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

Closed on
Sep 25, 2025
Sold by
William C Ong Survivors A Trust and Ong Bypass C Trust
Bought by

Purchase Details

Closed on
Nov 7, 2012
Sold by
Ong William C
Bought by
Ong William C and William C Ong Survivors A Trust

Purchase Details

Closed on
Oct 25, 2006
Sold by
Ong William C and Ong Joan L
Bought by
Ong William C and Ong Joan L

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$780,000
Interest Rate
6.25%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Oct 10, 2003
Sold by
Crawford Beverly Ann
Bought by
Ong William C and Ong Joan L

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$520,000
Interest Rate
3.25%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Nov 21, 2001
Sold by
Crawford Jeffrey C
Bought by
Crawford Beverly Ann and Beverly Ann Crawford Living Trust

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$348,000
Interest Rate
6.63%

Purchase Details

Closed on
Jul 25, 2000
Sold by
Crawford Elizabeth A
Bought by
Crawford Jeffrey C

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$100,000
Interest Rate
8.2%
Mortgage Type
Credit Line Revolving

Purchase Details

Closed on
Apr 4, 1997
Sold by
Crawford Beverly Ann
Bought by
Crawford Beverly Ann and Beverly Ann Crawford Living Trust

Purchase Details

Closed on
Nov 27, 1996
Sold by
Nathan Helmick Richard
Bought by
Crawford Beverly Ann and Crawford Jeffrey C

Purchase Details

Closed on
Mar 20, 1996
Sold by
Helmick Richard Nathan
Bought by
Helmick Richard Nathan
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
-- None Listed On Document
Ong William C -- None Available
Ong William C -- Fidelity National Title Co
Ong William C -- Accommodation
Ong William C -- North American Title Co
Crawford Beverly Ann -- Fidelity National Title Co
Crawford Jeffrey C -- Old Republic Title Company
Crawford Beverly Ann -- Old Republic Title Company
Crawford Beverly Ann -- --
Crawford Beverly Ann $450,000 First American Title Ins Co
Helmick Richard Nathan -- First American Title 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
Previous Owner $780,000
Previous Owner Ong William C $520,000
Previous Owner Crawford Beverly Ann $348,000
Previous Owner Crawford Beverly Ann $100,000
Source: Public Records

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
2026 $6,795 $1,429,395 $1,157,214 $272,181
2025 $6,433 $538,066 $308,278 $229,788
2024 $6,433 $527,517 $302,234 $225,283
2023 $6,368 $517,174 $296,308 $220,866
2022 $6,349 $507,035 $290,499 $216,536
2021 $6,196 $497,094 $284,803 $212,291
2020 $6,203 $491,998 $281,883 $210,115
2019 $5,950 $482,352 $276,356 $205,996
2018 $5,895 $472,895 $270,938 $201,957
2017 $5,658 $463,624 $265,626 $197,998
2016 $5,584 $454,534 $260,418 $194,116
2015 $5,431 $447,708 $256,507 $191,201
2014 -- $419,331 $251,483 $167,848
Source: Public Records

Map

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