Santa Clara County  »  983 Helen Ave

983 Helen Avenue, Sunnyvale, CA 94086 - Property report

Also known as: 983 Helen Ave

Property image for 983 Helen Avenue, Sunnyvale, CA 94086
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Property type

Three and Four Family (03)

Year built

1961

Acreage

0.19

General Information

Address
Primary address
983 Helen Ave
Sunnyvale, CA 94086
Zip code
94086
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
213-36-023
Tract
2384

Owner

Find out who owns 983 Helen Avenue, Sunnyvale, CA 94086. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Base tax
$7,210
Tax per sq. ft.
$3
Building
Property type
Three and Four Family
Building sq. ft.
2,764
Stories
2
Year built
1961
Pool
N
Lot
Acreage
0.19
Zoning & use
Zoning
Medium Density Residential (R3)
Units
4

Area overview

Walk score
75 /100.  Very Walkable
Transit score
42 /100.  Some Transit
Bike score
68 /100.  Bikeable
School district
09023
Ownership

Ownership information for 983 Helen Avenue, Sunnyvale, CA

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

Sales history for 983 Helen Avenue, Sunnyvale, CA 94086

No recently recorded sales for this property.

More about Santa Clara County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 983 Helen Avenue, Sunnyvale, 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
$7,210
Tax per sq. ft.
$3
Recent tax assessments
Market value
$624,102
Land value
$225,364
Building value
$398,738

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 $624,102 1.1552 $7,210 +1.36%
2024-2025 $611,866 1.1625 $7,113 +1.02%
2023-2024 $599,869 1.1738 $7,041 +1.76%
2022-2023 $588,108 1.1766 $6,920 +0.34%
2021-2022 $576,577 1.196 $6,896 +1.85%
2020-2021 $570,666 1.1865 $6,771 +0.13%
2019-2020 $559,478 1.2086 $6,762 +7.90%
2018-2019 $548,509 1.1425 $6,267 -0.36%
2017-2018 $537,755 1.1696 $6,289 +3.02%
2016-2017 $527,212 1.158 $6,105 +0.35%
Permits

Permit information for 983 Helen Avenue, Sunnyvale, CA

No recently recorded permits 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 983 Helen Avenue, Sunnyvale, CA 94086 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. Lawrence Elementary and Middle School NR Private PK-8 236 0.47
St. Lawrence Elementary and Middle School NR Private PK-8 236 0.47
Silicon Valley Academy NR Private K-12 121 0.59
Ponderosa Elementary School 5 Public K-5 501 0.63
Silicon Valley Academy NR Private PK-8 146 0.64
Silicon Valley Academy NR Private PK-8 146 0.64
Briarwood Elementary School 4 Public K-5 287 0.78
Laurelwood Elementary School 8 Public K-5 521 0.88
Pomeroy Elementary School 3 Public K-5 300 0.89
Braly Elementary School 5 Public K-5 352 1.17
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Lawrence Elementary and Middle School NR Private PK-8 236 0.47
Marian A. Peterson Middle School 6 Public 6-8 729 0.57
Silicon Valley Academy NR Private K-12 121 0.59
Silicon Valley Academy NR Private PK-8 146 0.64
School of Choice NR Private 6-12 0 0.69
Stratford Middle School NR Private 6-8 443 0.81
Santa Clara Community Day NR Public 6-12 10 1.06
Juan Cabrillo Middle School 5 Public 6-8 817 1.62
Adult And Community Education NR Public 0 2.00
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
New Valley Continuation High School 3 Public 9-12 169 0.34
Silicon Valley Academy NR Private K-12 121 0.59
School of Choice NR Private 6-12 0 0.69
Llatino High School NR Private 9-12 0 0.95
Santa Clara Community Day NR Public 6-12 10 1.06
Live Oak Academy NR Private 1-12 120 1.14
Adrian Wilcox High School 7 Public 9-12 1,859 1.16
Santa Clara High School 7 Public 9-12 1,849 1.23
Cedarwood Sudbury School NR Private 1-2, 9-12 0 1.63
Fremont High School 7 Public 9-12 2,171 1.81

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

Neighbors for 983 Helen Avenue, Sunnyvale, CA

1008 Helen Ave, Sunnyvale 941 Tamarack Ln, Sunnyvale 966 Helen Ave, Sunnyvale 982 Helen Ave, Sunnyvale 1128 Myrtle Dr, Sunnyvale 1004 Helen Ave, Sunnyvale 826 Tamarack Ln, Sunnyvale 979 Helen Ave, Sunnyvale 996 Helen Ave, Sunnyvale 1101 E El Camino Real, Sunnyvale 1132 Myrtle Dr, Sunnyvale 1071 E El Camino Real, Sunnyvale 1085 E El Camino Real, Sunnyvale 908 Tamarack Ln, Sunnyvale 907 Tamarack Ln, Sunnyvale 1201 Sycamore Trl, Sunnyvale 1114 Myrtle Dr, Sunnyvale 923 Tamarack Ln, Sunnyvale 1065 E El Camino Real, Sunnyvale 970 Helen Ave, Sunnyvale

Nearby ZIP codes for 983 Helen Avenue, Sunnyvale, 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 95117, Santa Clara County, CA 95126, 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 983 Helen Avenue, Sunnyvale, CA 94086?

The development at 983 Helen Avenue, Sunnyvale, CA 94086 was built in 1961.

What is the total square footage of 983 Helen Avenue, Sunnyvale, CA 94086?

983 Helen Avenue, Sunnyvale, CA 94086 has a total of 2,764 square feet.

What is the assessed value of 983 Helen Avenue, Sunnyvale, CA 94086?

983 Helen Avenue, Sunnyvale, CA 94086 is currently assessed at $624,102.

What are the property taxes for 983 Helen Avenue, Sunnyvale, CA 94086?

The property taxes for 983 Helen Avenue, Sunnyvale, CA 94086 total $7,209.

How many residential units does this building have?

This building has 4 residential unit(s).

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