Los Angeles County  »  91326  »  Thunderbird Ave  »  11821 Thunderbird Ave

11821 Thunderbird Avenue, Porter Ranch, CA 91326 - Property report

Also known as: 11821 Thunderbird Ave

Property image for 11821 Thunderbird Avenue, Porter Ranch, CA 91326
static Mapbox map

Property type

Single Family Residence with Pool (0101)

Year built

1969

Acreage

0.343

Sale price

$750,000

General Information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
11821 Thunderbird Ave
Porter Ranch, CA 91326
Zip code
91326
Neighborhood
Porter Ranch
County
Los Angeles
Municipality
Los Angeles

Owner

Find out who owns 11821 Thunderbird Avenue, Porter Ranch, CA 91326. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence with Pool
Building sq. ft.
2,629
Buildings on lot
1
Year built
1969
Last altered
Bedrooms
4
Bathrooms
3
HVAC
Central refrigeration & heating
Pool
Yes
Sales
Sale date
10/22/2015
Sale price
$750,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$10,968
Tax per sq. ft.
$4
Zoning & use
Zoning
Residential Estate (RE11)
Units
1
Lot
Acreage
0.343

Area overview

Walk score
11 /100.  Car-Dependent
Transit score
0 /100.  No Nearby Transit
Bike score
20 /100.  Somewhat Bikeable
School district
Los Angeles Unified School District
Weed hazard
No
Ownership

Ownership information for 11821 Thunderbird Avenue, Porter Ranch, CA

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

Sales history for 11821 Thunderbird Avenue, Porter Ranch, CA 91326

Sale date Sale price Buyer name Seller name
10/22/2015 $750,000 XXXXXXXX XXXXXXX; XXXXXX XXXXX XXXXX XXXX XXXX; XXXX XXXXX
05/23/2014 $720,000 XXXX XXXX; XXXX XXXXX XXX XXXXXXXX X
06/01/1989 $460,000 XXX, XXXXXXXX X XXXXXXX XXXXXX X

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
10/09/2025 Trust Deed XXXXXXXX XXXXXXX XXXXXXX XXXXXXX XXXX XX XXXXXXX XXXXXXXX XXXXX XXX XXXXXXX XXXXXXXXXXX
08/07/2018 Quitclaim Deed
(File correction - Single parcel sale)		 XXXXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXX XXXXXXX
10/22/2015 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXX XXXX XXXXXXXX XXXXXXX
05/23/2014 Trust Deed XXXX XXXX XXXX XXXXXXX XXXXXXXX XXX
05/23/2014 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXX XXXXXXXX X XXXX XXXX
11/05/2009 Trust Deed XXX XXXXXXXX X XXXXX XXXXX XXXX
08/25/2005 Trust Deed XXX XXXXXXXX X XXXXXXXXXX XXXXXX XXXX
08/25/2005 Deed XXX XXXXXX X XXX XXXXXXXX X
06/01/1989 Deed XXXXXXX XXXXXX X XXX, XXXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 11821 Thunderbird Avenue, Porter Ranch, CA

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

Current property tax
Tax year
2026-2027
Base tax
$10,968
Current property tax
$11,501
Tax per sq. ft.
$4
Recent tax assessments
Market value
$923,709
Land value
$628,248
Building value
$295,461

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 $905,598 1.1874 $10,753 +1.76%
2024-2025 $880,813 1.1997 $10,567 +2.03%
2023-2024 $863,543 1.1994 $10,357 +4.97%
2022-2023 $846,611 1.1655 $9,867 +1.16%
2021-2022 $830,012 1.1752 $9,754 -1.07%
2020-2021 $821,501 1.200129 $9,859 +5.49%
2019-2020 $795,904 1.174279 $9,346 +0.14%
2018-2019 $780,299 1.196 $9,333 +2.26%
2017-2018 $765,000 1.193 $9,127 +2.10%
2016-2017 $750,000 1.1918 $8,939 +2.11%

Special assessments & penalties for 11821 Thunderbird Avenue, Porter Ranch, 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 11821 Thunderbird Avenue, Porter Ranch, CA

Issued date Permit number Permit type Sub type Valuation Expire date Status
12/19/2022
06/17/2014
01/19/2011

*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
X
Earthquake-induced liquefaction area
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Seismic gas shut-off valve installed
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 11821 Thunderbird Avenue, Porter Ranch, CA 91326 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)
Castlebay Lane Charter School 9 Charter K-5 597 0.77
Porter Ranch Community School 10 Public K-8 1,363 1.40
Beckford Charter for Enriched Studies 10 Charter K-5 594 1.50
Cornerstone Christian Academy NR Private 1-12 11 1.51
Darby Avenue Charter School 9 Public K-5 406 2.07
Sierra Canyon School NR Private PK, K-12 1,011 2.21
Sierra Canyon School NR Private PK, K-12 1,011 2.21
Germain Academy For Academic Achievement 6 Public K-5 573 2.32
Granada Hills Baptist School NR Private K-6 75 2.33
Dayton Hall Prepartory School NR Private K-12 0 2.35
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Porter Ranch Community School 10 Public K-8 1,363 1.40
Cornerstone Christian Academy NR Private 1-12 11 1.51
Sierra Canyon School NR Private PK, K-12 1,011 2.21
Dayton Hall Prepartory School NR Private K-12 0 2.35
Our Community Charter School 7 Charter K-8 405 2.40
Heritage Christian School NR Private K-8 316 2.51
Alfred B. Nobel Charter Middle School 10 Charter 6-8 1,940 2.53
Granada Hills Charter High School 10 Charter K-12 5,869 2.65
Saint Paul's Christian Academy NR Private 8-12 6 2.67
Robert Frost Middle School 10 Public 6-8 1,384 2.74
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Cornerstone Christian Academy NR Private 1-12 11 1.51
Sierra Canyon School NR Private PK, K-12 1,011 2.21
Dayton Hall Prepartory School NR Private K-12 0 2.35
Granada Hills Charter High School 10 Charter K-12 5,869 2.65
Saint Paul's Christian Academy NR Private 8-12 6 2.67
Phillips Academy NR Private K-12 13 2.79
Chatsworth Charter High School 7 Charter 9-12 1,696 2.86
Stoney Point Continuation School 2 Public 9-12 107 2.99

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

Neighbors for 11821 Thunderbird Avenue, Porter Ranch, CA

11837 Thunderbird Ave, Porter Ranch 11843 Thunderbird Ave, Porter Ranch 11807 Thunderbird Ave, Porter Ranch 11801 Thunderbird Ave, Porter Ranch 11845 Thunderbird Ave, Porter Ranch 11847 Thunderbird Ave, Porter Ranch 11763 Thunderbird Ave, Porter Ranch 11841 Thunderbird Ave, Porter Ranch 19673 Pine Valley Ave, Porter Ranch 11781 Thunderbird Ave, Porter Ranch 11855 Thunderbird Ave, Porter Ranch 19663 Pine Valley Ave, Porter Ranch 11773 Thunderbird Ave, Porter Ranch 11787 Thunderbird Ave, Porter Ranch 11827 Thunderbird Ave, Porter Ranch 11833 Thunderbird Ave, Porter Ranch 12254 Stewarton Dr, Porter Ranch 11815 Thunderbird Ave, Porter Ranch 12260 Stewarton Dr, Porter Ranch 11755 Thunderbird Ave, Porter Ranch

Nearby ZIP codes for 11821 Thunderbird Avenue, Porter Ranch, CA

91303, Los Angeles County, CA 91304, Los Angeles County, CA 91306, Los Angeles County, CA 91307, Los Angeles County, CA 91311, Los Angeles County, CA 91324, Los Angeles County, CA 91325, Los Angeles County, CA 91330, Los Angeles County, CA 91335, Los Angeles County, CA 91340, Los Angeles County, CA 91343, Los Angeles County, CA 91344, Los Angeles County, CA 91345, Los Angeles County, CA 91356, Los Angeles County, CA 91367, Los Angeles County, CA 91371, Los Angeles County, CA 91402, Los Angeles County, CA 91406, Los Angeles County, CA

Frequently asked questions

What is the year built for 11821 Thunderbird Avenue, Porter Ranch, CA 91326?

The development at 11821 Thunderbird Avenue, Porter Ranch, CA 91326 was built in 1969.

What is the total square footage of 11821 Thunderbird Avenue, Porter Ranch, CA 91326?

11821 Thunderbird Avenue, Porter Ranch, CA 91326 has a total of 2,629 square feet.

When was 11821 Thunderbird Avenue, Porter Ranch, CA 91326 last sold and what was the sale price?

11821 Thunderbird Avenue, Porter Ranch, CA 91326 was last sold on 10/22/2015 for $750,000.

What is the assessed value of 11821 Thunderbird Avenue, Porter Ranch, CA 91326?

11821 Thunderbird Avenue, Porter Ranch, CA 91326 is currently assessed at $923,709.

What are the property taxes for 11821 Thunderbird Avenue, Porter Ranch, CA 91326?

The property taxes for 11821 Thunderbird Avenue, Porter Ranch, CA 91326 total $10,968.

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