Santa Clara County  »  94041  »  Sierra Ave  »  645 Sierra Ave

645 Sierra Avenue, Mountain View, CA 94041 - Property report

Also known as: 645 Sierra Ave

Property image for 645 Sierra Avenue, Mountain View, CA 94041
static Mapbox map

Property type

Single Family (01)

Acreage

0.127

Sale price

$2,300,000

General Information

Address
Primary address
645 Sierra Ave
Mountain View, CA 94041
Zip code
94041
Neighborhood
Old Mountain View
County
Santa Clara
Municipality
Mountain View
Parcel ID
158-09-039

Owner

Find out who owns 645 Sierra Avenue, Mountain View, CA 94041. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/20/2021
Sale price
$2,300,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$32,134
Building
Property type
Single Family
Lot
Acreage
0.127
Zoning & use
Zoning
Single Family (R1)

Area overview

Walk score
93 /100.  Walker's Paradise
Transit score
55 /100.  Good Transit
Bike score
96 /100.  Biker's Paradise
School district
05000
Ownership

Ownership information for 645 Sierra Avenue, Mountain View, CA

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

Sales history for 645 Sierra Avenue, Mountain View, CA 94041

Sale date Sale price Buyer name Seller name
04/20/2021 $2,300,000 XXX, XXXXXX XXXXXX, XXXXX X XXXXXXX; XXXXXX, XXXXXX X XXXXXXX; XXXXXX, XXXXX XXX XXX XXXXXX, XXXXXX XXXXXXX XXXXXXXXX XXXXX
09/21/2001 $635,000 XXXXXX, XXXXX X & XXXXXX X XXXXXXX XXXXX

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
05/23/2023 Deed of Trust XXX, XXXXXX XXXX XX XXXXXXX X X
05/05/2021 Reconveyance XXXXXX, XXXXX X
04/20/2021 Deed of Trust XXX, XXXXXX XXXXX XXXXX XXXX X X
04/20/2021 Grant Deed XXXXXX, XXXXX X XXXXXXX XXX, XXXXXX
03/11/2020 Trust Transfer Grant Deed XXXXXX, XXXXXX X XXXXXX, XXXXX X XXXXXXX
06/19/2014 Deed of Trust & Fixture Filing XXXXXX, XXXXXX X XXXXXXXX XXXXXXX XXXXXX XXXXX
12/07/2010 Deed of Trust/Mortgage/Securit XXXXXX, XXXXX X XXXXXXXX XXXXXXXXXX XXX XXXXX XXX XXX
09/21/2001 Deed XXXXXXX XXXXX XXXXXX, XXXXX X & XXXXXX X
06/01/1992 Deed XXXXXXX, X. XXXXXXXXX XXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 645 Sierra Avenue, Mountain View, CA

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

Current property tax
Tax year
2025-2026
Property tax
$32,134
Recent tax assessments
Market value
$2,770,452
Land value
$2,240,634
Building value
$529,818

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 $2,770,452 1.1599 $32,134 +13.16%
2024-2025 $2,453,027 1.1576 $28,396 +1.55%
2023-2024 $2,392,920 1.1686 $27,964 +0.25%
2022-2023 $2,346,000 1.189 $27,894 +172.11%
2021-2022 $866,631 1.1829 $10,251 -0.15%
2020-2021 $857,746 1.1969 $10,266 +4.50%
2019-2020 $840,929 1.1683 $9,825 +1.19%
2018-2019 $824,441 1.1776 $9,709 +4.41%
2017-2018 $808,276 1.1505 $9,299 +2.33%
2016-2017 $792,428 1.1467 $9,087 +3.01%
Permits

Permit information for 645 Sierra Avenue, Mountain View, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
10/06/2025
07/15/2025
05/12/2025
01/15/2024
07/14/2023

*Most recent permits on record for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X
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 645 Sierra Avenue, Mountain View, CA 94041 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)
St. Joseph Catholic NR Private PK, K-8 188 0.38
St. Joseph Catholic NR Private PK, K-8 188 0.38
Edith Landels Elementary School 6 Public K-5 374 0.59
Benjamin Bubb Elementary School 7 Public K-5 339 0.60
Khan Lab School NR Private 174 0.70
Khan Lab School NR Private K-12 0 0.70
Mariano Castro Elementary School 3 Public K-5 248 0.84
Adult Education NR Public 0 0.89
MVWSD Preschool NR Public 0 0.89
Sanyu Learning Center NR Private K-6 94 0.90
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Joseph Catholic NR Private PK, K-8 188 0.38
Isaac Newton Graham Middle School 6 Public 6-8 881 0.38
Khan Lab School NR Private 174 0.70
Khan Lab School NR Private K-12 0 0.70
Adult Education NR Public 0 0.89
MVWSD Preschool NR Public 0 0.89
St. Stephen Lutheran School NR Private 1-8 13 1.04
Slater Special Education Preschool NR Public 75 1.15
Mvwsd Home & Hospital NR Public K-8 0 1.16
German International School of Silicon Valley NR Private K-12 597 1.17
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Mountain View Academy NR Private 9-12 130 0.53
View High School NR Private 9-12 9 0.55
Khan Lab School NR Private 174 0.70
Khan Lab School NR Private K-12 0 0.70
Adult Education NR Public 0 0.89
MVWSD Preschool NR Public 0 0.89
Slater Special Education Preschool NR Public 75 1.15
German International School of Silicon Valley NR Private K-12 597 1.17
Los Altos High School 8 Public 9-12 2,141 1.54
Lasd Preschool NR Public 10 1.77

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

Neighbors for 645 Sierra Avenue, Mountain View, CA

545 Sierra Ave, Mountain View 134 Castro St, Mountain View 110 Castro St, Mountain View 186 Castro St, Mountain View 665 Sierra Ave, Mountain View 838 W Dana St, Mountain View 834 W Dana St, Mountain View 176 Oak St, Mountain View 160 Castro St, Mountain View 782 Hope St, Mountain View 268 Castro St, Mountain View 682 Villa St, Mountain View 550 Franklin St, Mountain View 148 Castro St, Mountain View 1000 Villa St, Mountain View 895 Villa St, Mountain View 660 Sierra Ave, Mountain View 1144 Villa St, Mountain View 635 Sierra Ave, Mountain View 250 Castro St, Mountain View

Nearby ZIP codes for 645 Sierra Avenue, Mountain View, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94043, Santa Clara County, CA 94301, Santa Clara County, CA 94303, Santa Clara County, CA 94305, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95129, Santa Clara County, CA

Frequently asked questions

When was 645 Sierra Avenue, Mountain View, CA 94041 last sold and what was the sale price?

645 Sierra Avenue, Mountain View, CA 94041 was last sold on 04/20/2021 for $2,300,000.

What is the assessed value of 645 Sierra Avenue, Mountain View, CA 94041?

645 Sierra Avenue, Mountain View, CA 94041 is currently assessed at $2,770,452.

What are the property taxes for 645 Sierra Avenue, Mountain View, CA 94041?

The property taxes for 645 Sierra Avenue, Mountain View, CA 94041 total $32,134.

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