Santa Clara County  »  94022  »  Jay St  »  643 Jay St

643 Jay Street, Los Altos, CA 94022 - Property report

Also known as: 643 Jay St

Property image for 643 Jay Street, Los Altos, CA 94022
static Mapbox map

Property type

Single Family (01)

Acreage

0.459

Sale price

$5,900,000

General Information

Address
Primary address
643 Jay St
Los Altos, CA 94022
Zip code
94022
Neighborhood
North Los Altos
County
Santa Clara
Municipality
Los Altos
Parcel ID
170-20-056
Tract
223

Owner

Find out who owns 643 Jay Street, Los Altos, CA 94022. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/17/2026
Sale price
$5,900,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$1,640
Current property tax
$1,559
Building
Property type
Single Family
Lot
Acreage
0.459
Zoning & use
Zoning
Single-Family (R1-10)

Area overview

Walk score
32 /100.  Car-Dependent
Transit score
40 /100.  Some Transit
Bike score
82 /100.  Very Bikeable
School district
11001
Ownership

Ownership information for 643 Jay Street, Los Altos, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 643 Jay Street, Los Altos, CA 94022

Sale date Sale price Buyer name Seller name
02/17/2026 $5,900,000 XXXXX, XXXXXXXX; XXXX, XXXX XXXXXXX, XXXXXX XXX XXXX XXXXXX XXXXX; XXXXXXX, XXXXXXX XXXXXXX

*Most recent sale on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
02/23/2026 Reconveyance
Substitution Trustee		 XXXXXXXXXX XXXXXXXXX XXX XXXXXXX, XXXXXX & XXXX XXXXXX XXXXX
02/17/2026 Deed of Trust XXXX, XXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
02/17/2026 Grant Deed XXXXXXX, XXXXXX XXX XXXX XXXXXX XXXXX XXXX, XXXX
01/28/2026 Affidavit of Death XXXXXXX, XXXXXX
10/31/2025 Assignment Deed of Trust XXXXXXX, XXXXXX & XXXX XXXXXX XXXXX XXXXXXXXXX XXXXXXXXX XXX
05/15/2025 Deed of Trust XXXXXXX, XXXXXX & XXXX XXXXXX XXXXX XXXXXXX XXXXXXX XXXXXXXXXXXX
05/15/2025 Deed of Trust XXXXXXX, XXXXXX XXXXX XXXXXXX XXX XXXX XXXXX
05/15/2025 Grant Deed XXXXXXX, XXXXXX XXXXX XXXXXXX XXXXXXX, XXXXXX XXXXX XXXXXXX
05/15/2025 Affidavit Change/ Successor Trustee XXXXXXX, XXXXXX & XXXX XXXXXX XXXXX XXXXXXX, XXXXXX XXXXX XXXXXXX
05/16/2011 Deed XXXXXXX, XXXX XXXXXXX, XXXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 643 Jay Street, Los Altos, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Base tax
$1,640
Current property tax
$1,559
Recent tax assessments
Market value
$142,252
Land value
$63,733
Building value
$78,519

More about Santa Clara County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $142,252 1.153 $1,640 +3.59%
2024-2025 $139,464 1.1353 $1,583 +1.15%
2023-2024 $136,730 1.1448 $1,565 +0.80%
2022-2023 $134,050 1.1584 $1,553 -0.59%
2021-2022 $131,423 1.1886 $1,562 -0.84%
2020-2021 $130,077 1.211 $1,575 +5.31%
2019-2020 $127,528 1.1729 $1,496 +1.18%
2018-2019 $125,028 1.1824 $1,478 +4.13%
2017-2018 $122,577 1.1582 $1,420 +2.33%
2016-2017 $120,175 1.1544 $1,387 +1.58%
Permits

Permit information for 643 Jay Street, Los Altos, CA

No recently recorded permits for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
0.2
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 643 Jay Street, Los Altos, CA 94022 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Almond Elementary School 8 Public K-6 353 0.21
Canterbury Christian School NR Private K-6 80 0.23
Sanyu Learning Center NR Private K-6 94 0.48
MVWSD Preschool NR Public 0 0.56
Quantum Camp NR Private 1-8 136 0.59
St. Joseph Catholic NR Private PK, K-8 188 0.60
St. Joseph Catholic NR Private PK, K-8 188 0.60
Mariano Castro Elementary School 3 Public K-5 248 0.61
Gabriela Mistral Elementary 6 Public K-5 347 0.64
Springer Elementary School 8 Public K-6 335 1.02
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
MVWSD Preschool NR Public 0 0.56
Quantum Camp NR Private 1-8 136 0.59
St. Joseph Catholic NR Private PK, K-8 188 0.60
Creative Learning Center NR Private K-12 46 0.68
Isaac Newton Graham Middle School 6 Public 6-8 881 0.80
Khan Lab School NR Private 174 1.05
Khan Lab School NR Private K-12 0 1.06
Bullis Charter School 8 Charter K-8 1,058 1.14
Lasd Virtual NR Public K-8 418 1.16
Lasd Preschool NR Public 10 1.16
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
MVWSD Preschool NR Public 0 0.56
Los Altos High School 8 Public 9-12 2,141 0.61
Creative Learning Center NR Private K-12 46 0.68
Mountain View Academy NR Private 9-12 130 0.89
Khan Lab School NR Private 174 1.05
Khan Lab School NR Private K-12 0 1.06
Lasd Preschool NR Public 10 1.16
School For Independent Learners NR Private 8-12 18 1.24
Adult Education NR Public 0 1.52

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 643 Jay Street, Los Altos, CA

288 Avalon Dr, Los Altos 276 Galli Dr, Los Altos 225 Valley St, Los Altos 260 Valencia Dr, Los Altos 220 E Edith Ave, Los Altos 241 Eleanor Ave, Los Altos 260 Hawthorne Ave, Los Altos 230 Hawthorne Ave, Los Altos 355 Waverly Ln, Los Altos 288 S Gordon Way, Los Altos 318 S Gordon Way, Los Altos 233 Valley St, Los Altos 250 Hawthorne Ave, Los Altos 249 Valley St, Los Altos 199 Eleanor Ave, Los Altos 188 S Gordon Way, Los Altos 217 Eleanor Ave, Los Altos 48 N Gordon Way, Los Altos 225 Marvin Ave, Los Altos 250 Trianon Way, Los Altos

Nearby ZIP codes for 643 Jay Street, Los Altos, CA

94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 94301, Santa Clara County, CA 94303, Santa Clara County, CA 94305, Santa Clara County, CA 95014, Santa Clara County, CA 95070, Santa Clara County, CA

Frequently asked questions

When was 643 Jay Street, Los Altos, CA 94022 last sold and what was the sale price?

643 Jay Street, Los Altos, CA 94022 was last sold on 02/17/2026 for $5,900,000.

What is the assessed value of 643 Jay Street, Los Altos, CA 94022?

643 Jay Street, Los Altos, CA 94022 is currently assessed at $142,252.

What are the property taxes for 643 Jay Street, Los Altos, CA 94022?

The property taxes for 643 Jay Street, Los Altos, CA 94022 total $1,640.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account