Santa Clara County  »  823 S Mary Ave

823 South Mary Avenue, Sunnyvale, CA 94087 - Property report

Also known as: 823 S Mary Ave

Property image for 823 South Mary Avenue, Sunnyvale, CA 94087
static Mapbox map

Property type

Single Family (01)

Year built

1954

Acreage

0.138

Sale price

$1,950,000

General Information

Address
Primary address
823 S Mary Ave
Sunnyvale, CA 94087
Zip code
94087
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
198-29-007
Tract
1311

Owner

Find out who owns 823 South Mary Avenue, Sunnyvale, CA 94087. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/28/2023
Sale price
$1,950,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$24,274
Building
Property type
Single Family
Year built
1954
Lot
Acreage
0.138
Zoning & use
Zoning
Low Density Residential (R0)

Area overview

Walk score
67 /100.  Somewhat Walkable
Transit score
39 /100.  Some Transit
Bike score
80 /100.  Very Bikeable
School district
09015
Ownership

Ownership information for 823 South Mary Avenue, Sunnyvale, CA

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

Sales history for 823 South Mary Avenue, Sunnyvale, CA 94087

Sale date Sale price Buyer name Seller name
04/28/2023 $1,950,000 XXXX, XXXXXXXXXX; XXXXXXXXXX, XXXX XX, XXXXXXX XXX; XX, XXXXXX
07/31/2020 $1,808,000 XX, XXXXXXX XXX; XX, XXXXXX XXXXX XXXXXX XXXXX; XXXXX, XXXXXXX XXXXXX XXXXXXX; XXXXX, XXXXX XXX XXXXXXX
06/22/2012 $808,000 XXXXX XXXXX; XXXXX, XXXXXXX XXXXXX XX; XXXXX, XXXXX XXX XX XXXXXXXXX, XX XXXXXX; XXXXXXXXX, XXXX X

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
04/28/2023 Grant Deed XX, XXXXXX XXXXXXXXXX, XXXX
07/31/2020 Deed of Trust XX, XXXXXXX XXX XXXXXXXX X X
07/31/2020 Grant Deed XXXXX, XXXXX XXX XXXXXXX XX, XXXXXX
06/22/2012 Deed of Trust/Mortgage/Securit XXXXX XXXXX XXXX X X X
06/22/2012 Grant Deed XXXXXXXXX, XX XXXXXX XXXXX XXXXX
08/18/2004 Deed XXXXXXXXX, XX XXXXXXXXX, XXXX X
06/07/1994 Deed XXXXXXXXX, XXXXXX XXXXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 823 South Mary Avenue, Sunnyvale, CA

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

Current property tax
Tax year
2026-2027
Property tax
$24,274
Recent tax assessments
Market value
$2,069,355
Land value
$1,862,420
Building value
$206,935

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 $2,028,780 1.173 $23,798 +3.78%
2024-2025 $1,989,000 1.1529 $22,931 +4.62%
2023-2024 $1,881,042 1.1652 $21,918 +1.66%
2022-2023 $1,844,160 1.1691 $21,560 +1.13%
2021-2022 $1,808,000 1.1792 $21,320 +94.95%
2020-2021 $927,986 1.1785 $10,936 +2.34%
2019-2020 $909,791 1.1746 $10,686 +2.05%
2018-2019 $891,953 1.174 $10,472 +1.31%
2017-2018 $874,464 1.182 $10,336 +3.98%
2016-2017 $857,319 1.1595 $9,941 -0.61%
Permits

Permit information for 823 South Mary Avenue, Sunnyvale, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/30/2020
12/06/2013

*Most recent permits on record for this property.

Neighborhood

Risk

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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 823 South Mary Avenue, Sunnyvale, CA 94087 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)
Cherry Chase Elementary School 8 Public K-5 604 0.33
Cumberland Elementary School 8 Public K-5 608 0.35
Sunnyvale Christian NR Private K-5 81 0.48
Little Rascals Child Care Center NR Private PK, K-1 0 0.64
Little Rascals Child Care Center NR Private PK, K-1 0 0.64
Stratford School NR Private K-5 293 0.78
Stratford School - Sunnyvale Washington Park NR Private PK-5 392 0.81
Vargas Elementary School 4 Public K-5 411 0.99
Adult And Community Education NR Public 0 1.15
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Sunnyvale Middle School 6 Public 6-8 962 0.37
Challenger - Sunnyvale NR Private PK, K-8 554 0.94
Catholic Academy of Sunnyvale NR Private PK, K-8 137 0.95
Adult And Community Education NR Public 0 1.15
South Peninsula Hebrew Day School NR Private PK-8 247 1.26
Helios School NR Private K-8 28 1.31
Resurrection Elementary School NR Private PK, K-8 221 1.36
Georgina P. Blach Junior High School 8 Public 7-8 416 1.80
Cupertino Middle School 7 Public 6-8 1,099 1.88
Slater Special Education Preschool NR Public 75 1.96
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Alta Vista High School 4 Public 9-12 69 0.88
Mountain View High School 8 Public 9-12 2,220 1.08
Adult And Community Education NR Public 0 1.15
Community Day School NR Public 9-12 7 1.22
North County Regional Occupational Program School NR Public 9-12 0 1.22
Fremont High School 7 Public 9-12 2,171 1.34
Amrita Academy NR Private 5-12 0 1.41
Slater Special Education Preschool NR Public 75 1.96
St. Francis High School NR Private 9-12 1,776 1.97
Homestead High School 8 Public 9-12 2,311 2.14

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

Neighbors for 823 South Mary Avenue, Sunnyvale, CA

840 Mango Ave, Sunnyvale 774 Melon CT, Sunnyvale 739 Melon CT, Sunnyvale 1013 Heatherstone Ave, Sunnyvale 746 Melon CT, Sunnyvale 702 Ramona Ave, Sunnyvale 1009 Heatherstone Ave, Sunnyvale 832 Mango Ave, Sunnyvale 761 Melon CT, Sunnyvale 831 S Mary Ave, Sunnyvale 1029 Heatherstone Ave, Sunnyvale 716 Melon CT, Sunnyvale 851 S Mary Ave, Sunnyvale 733 Melon CT, Sunnyvale 843 S Mary Ave, Sunnyvale 807 S Mary Ave, Sunnyvale 753 Melon CT, Sunnyvale 839 S Mary Ave, Sunnyvale 1005 Heatherstone Ave, Sunnyvale 773 Melon CT, Sunnyvale

Nearby ZIP codes for 823 South Mary Avenue, Sunnyvale, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95070, Santa Clara County, CA 95117, Santa Clara County, CA 95128, Santa Clara County, CA 95129, Santa Clara County, CA 95130, Santa Clara County, CA

Frequently asked questions

What is the year built for 823 South Mary Avenue, Sunnyvale, CA 94087?

The development at 823 South Mary Avenue, Sunnyvale, CA 94087 was built in 1954.

When was 823 South Mary Avenue, Sunnyvale, CA 94087 last sold and what was the sale price?

823 South Mary Avenue, Sunnyvale, CA 94087 was last sold on 04/28/2023 for $1,950,000.

What is the assessed value of 823 South Mary Avenue, Sunnyvale, CA 94087?

823 South Mary Avenue, Sunnyvale, CA 94087 is currently assessed at $2,069,355.

What are the property taxes for 823 South Mary Avenue, Sunnyvale, CA 94087?

The property taxes for 823 South Mary Avenue, Sunnyvale, CA 94087 total $24,273.

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