Los Angeles County  »  91311  »  Oso Ave  »  9901 Oso Ave

9901 Oso Avenue, Chatsworth, CA 91311 - Property report

Also known as: 20301 W Lassen St

Property image for 9901 Oso Avenue, Chatsworth, CA 91311
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Property type

Single Family Residence (0100)

Year built

1960

Acreage

0.177

General Information

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Address
Primary address
9901 Oso Ave
Chatsworth, CA 91311
Alternate address(es)
20301 W Lassen St
9901 N Oso Ave
Zip code
91311
Neighborhood
Chatsworth
County
Los Angeles
Municipality
Los Angeles

Owner

Find out who owns 9901 Oso Avenue, Chatsworth, CA 91311. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence
Building sq. ft.
1,693
Buildings on lot
1
Year built
1960
Last altered
Bedrooms
3
Bathrooms
2
HVAC
Central heating
Tax
Tax year
2025-2026
Property tax
$3,399
Tax per sq. ft.
$2
Zoning & use
Zoning
Suburban (RS)
Units
1
Lot
Acreage
0.177

Area overview

Walk score
61 /100.  Somewhat Walkable
Transit score
36 /100.  Some Transit
Bike score
57 /100.  Bikeable
School district
Los Angeles Unified School District
Weed hazard
No
Ownership

Ownership information for 9901 Oso Avenue, Chatsworth, CA

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

Sales history for 9901 Oso Avenue, Chatsworth, CA 91311

No recently recorded sales for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
05/16/2014 Affidavit Successor Trustee
(File correction - Single parcel sale)		 XXXXXXX XXXXXX XXXXX XXXXXXX XXXXXXXXXX X XXXXXXX
10/28/2005 Deed XXXXXXX XXXXXXXXXX XXXXXXX XXXXXXXXXX X XXXXXXX
07/22/2005 Trust Deed XXXXXXX XXXXXXXXXX XXXX XX XXXXXXX XXXXXXXX XXXXX XXX XXXXXXX XXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 9901 Oso Avenue, Chatsworth, 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
$3,399
Current property tax
$3,718
Tax per sq. ft.
$2
Recent tax assessments
Market value
$286,232
Land value
$102,389
Building value
$183,843

More about Los Angeles 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 $286,232 1.1874 $3,399 +0.95%
2024-2025 $280,621 1.1997 $3,367 +2.03%
2023-2024 $275,119 1.1994 $3,300 +4.97%
2022-2023 $269,726 1.1655 $3,144 +1.15%
2021-2022 $264,439 1.1752 $3,108 -1.05%
2020-2021 $261,729 1.200129 $3,141 +6.33%
2019-2020 $251,568 1.174279 $2,954 +0.14%
2018-2019 $246,636 1.196 $2,950 +2.26%
2017-2018 $241,801 1.193 $2,885 +2.10%
2016-2017 $237,060 1.1918 $2,825 +1.51%

Special assessments & penalties for 9901 Oso Avenue, Chatsworth, CA

Code Description Tax levied
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
18851 Los Angeles City Light Maintenance
03071 Los Angeles County Flood Control
00170 Los Angeles County Trauma/Emerg Srvs
18850 Los Angeles Landscape & Lighting Dist #96-1
18869 Los Angeles-Stormwater Pollution Abatement
00177 Safe, Clean Water Program Funding Measure W
Permits

Permit information for 9901 Oso Avenue, Chatsworth, CA

Issued date Permit number Permit type Sub type Valuation Expire date Status
08/13/2014
11/18/2009

*Most recent permits on record for this property.

More about Los Angeles County property records

Neighborhood

Los Angeles residential market stats

Access a detailed real estate market overview of Los Angeles so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Los Angeles and compare it to other neighborhoods in Los Angeles.

Median sale price

$995,000

-3.7% Y-o-Y

Median price/sq. ft.

$650

-3.8% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Los Angeles and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
0.2, X
Earthquake-induced liquefaction area
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 9901 Oso Avenue, Chatsworth, CA 91311 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)
Superior Street Elementary School 9 Charter K-5 439 0.19
Cds Elementary School NR Public K-6 4 0.71
Our Community Charter School 7 Charter K-8 405 0.71
Germain Academy For Academic Achievement 6 Public K-5 573 0.97
East Valley Academy NR Private 1-12 31 1.49
Ivy Bound Academy Math, Science, And Technology Charter Middle #2 NR Charter 5-8 101 1.61
Topeka Charter School For Advanced Studies 8 Charter K-5 539 1.66
Sierra Canyon School NR Private PK, K-12 1,011 1.68
Sierra Canyon School NR Private PK, K-12 1,011 1.68
Limerick Avenue Elementary School 6 Public K-5 631 1.72
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Our Community Charter School 7 Charter K-8 405 0.71
Ernest Lawrence Middle School 5 Public 6-8 1,073 0.98
William Tell Aggeler Opportunity High School 1 Public 7-12 58 1.10
Aggeler Community Day School 3 Public 7-12 23 1.10
Alfred B. Nobel Charter Middle School 10 Charter 6-8 1,940 1.30
East Valley Academy NR Private 1-12 31 1.49
Ivy Bound Academy Math, Science, And Technology Charter Middle #2 NR Charter 5-8 101 1.61
Sierra Canyon School NR Private PK, K-12 1,011 1.68
Saint Paul's Christian Academy NR Private 8-12 6 2.02
Academy For Advancement Of Children With NR Private K-12 14 2.04
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Chatsworth Charter High School 7 Charter 9-12 1,696 0.54
Stoney Point Continuation School 2 Public 9-12 107 0.73
William Tell Aggeler Opportunity High School 1 Public 7-12 58 1.10
Aggeler Community Day School 3 Public 7-12 23 1.10
East Valley Academy NR Private 1-12 31 1.49
Sierra Canyon School NR Private PK, K-12 1,011 1.68
Saint Paul's Christian Academy NR Private 8-12 6 2.02
Academy For Advancement Of Children With NR Private K-12 14 2.04
Cornerstone Christian Academy NR Private 1-12 11 2.36
Joaquin Miller Career And Transition Center NR Public 12 160 2.60

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

Neighbors for 9901 Oso Avenue, Chatsworth, CA

10056 Fullbright Ave, Chatsworth 10028 Fullbright Ave, Chatsworth 9937 Casaba Ave, Chatsworth 9957 Casaba Ave, Chatsworth 20321 Lassen St, Chatsworth 10048 Fullbright Ave, Chatsworth 9915 Casaba Ave, Chatsworth 10001 Casaba Ave, Chatsworth 20309 Lassen St, Chatsworth 9945 Casaba Ave, Chatsworth 20315 Lassen St, Chatsworth 10034 Fullbright Ave, Chatsworth 10022 Fullbright Ave, Chatsworth 10042 Fullbright Ave, Chatsworth 20327 Lassen St, Chatsworth 9931 Casaba Ave, Chatsworth 9951 Casaba Ave, Chatsworth 9919 Casaba Ave, Chatsworth 9923 Casaba Ave, Chatsworth 9927 Casaba Ave, Chatsworth

Nearby ZIP codes for 9901 Oso Avenue, Chatsworth, CA

91303, Los Angeles County, CA 91306, Los Angeles County, CA 91324, Los Angeles County, CA 91325, Los Angeles County, CA 91335, Los Angeles County, CA 91345, Los Angeles County, CA 91367, Los Angeles County, CA 91371, Los Angeles County, CA 91406, Los Angeles County, CA

Frequently asked questions

What is the year built for 9901 Oso Avenue, Chatsworth, CA 91311?

The development at 9901 Oso Avenue, Chatsworth, CA 91311 was built in 1960.

What is the total square footage of 9901 Oso Avenue, Chatsworth, CA 91311?

9901 Oso Avenue, Chatsworth, CA 91311 has a total of 1,693 square feet.

What is the assessed value of 9901 Oso Avenue, Chatsworth, CA 91311?

9901 Oso Avenue, Chatsworth, CA 91311 is currently assessed at $286,232.

What are the property taxes for 9901 Oso Avenue, Chatsworth, CA 91311?

The property taxes for 9901 Oso Avenue, Chatsworth, CA 91311 total $3,398.

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