Los Angeles County  »  91311  »  Shamrock Pl  »  20457 Shamrock Pl

20457 Shamrock Place, Chatsworth, CA 91311 - Property report

Also known as: 20457 W Shamrock Pl

Property image for 20457 Shamrock Place, Chatsworth, CA 91311
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Property type

Single Family Residence with Pool (0101)

Year built

1969

Acreage

0.346

Sale price

$500,000

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
20457 Shamrock Pl
Chatsworth, CA 91311
Alternate address(es)
20457 W Shamrock Pl
Zip code
91311
Neighborhood
Chatsworth
County
Los Angeles
Municipality
Los Angeles

Owner

Find out who owns 20457 Shamrock Place, Chatsworth, CA 91311. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence with Pool
Building sq. ft.
2,420
Buildings on lot
1
Year built
1969
Last altered
Bedrooms
4
Bathrooms
3
HVAC
Central refrigeration & heating
Pool
Yes
Sales
Sale date
10/21/2011
Sale price
$500,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$8,208
Tax per sq. ft.
$3
Zoning & use
Zoning
Suburban (RA)
Units
1
Lot
Acreage
0.346

Area overview

Walk score
50 /100.  Somewhat Walkable
Transit score
32 /100.  Some Transit
Bike score
39 /100.  Somewhat Bikeable
School district
Los Angeles Unified School District
Weed hazard
No

Ownership information for 20457 Shamrock Place, Chatsworth, CA

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

Sales history for 20457 Shamrock Place, Chatsworth, CA 91311

Sale date Sale price Buyer name Seller name
10/21/2011 $500,000 XXXXXX XXXXXXXX; XXXXXXXX-XXXXXX XXXXXX X XXXXXXXXX XXX X
01/21/1998 $299,000 XXXXXXXXX, XXX X XXXXX, XXXXX X & XXXXXXX 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
04/17/2025 Reconveyance XXXXX XXXXXXXX XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXXX X
04/10/2025 Assignment of Rents
Trust Deed
XXXXXX XXXXXX X XXXX XXXXXXX XXXXXX XXXXX
07/12/2022 Request Notice Default
Trust Deed
XXXXXX XXXXXX X XXX XXXXXXX XXXXXX XXXXXXX XXXXXX XXXXX
02/17/2021 Trust Deed XXXXXX XXXXXX X XXXXXXXX XXXXXXXXX XXXXXXX XXX
10/16/2019 Reconveyance
Substitution Trustee
XXXXXX XXXXXX X XXXXXX XXXXXX X
10/01/2019 Trust Deed XXXXXX XXXXXX X XXXXXXX XXXXX XXX
10/01/2019 Grant Deed
(File correction - Single parcel sale)
XXXXXX XXXXXX X XXXXXX XXXXXX X
12/10/2018 Trust Deed XXXXXX XXXXXX X XXXXXXX XXXXX XXX
12/08/2016 Trust Deed XXXXXX XXXXXX X XXXXXXX XXXXX XXX
12/08/2016 Quitclaim Deed
(Reverse reappraisal - 710 TXN only - Single parcel sale)
XXXXXX XXXXXXXX XXXXXX XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 20457 Shamrock Place, 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
$8,208
Current property tax
$6,722
Tax per sq. ft.
$3
Recent tax assessments
Market value
$691,277
Land value
$436,233
Building value
$255,044

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 $691,277 1.1874 $8,208 +0.95%
2024-2025 $677,735 1.1997 $8,131 +2.03%
2023-2024 $664,447 1.1994 $7,969 +4.97%
2022-2023 $651,420 1.1655 $7,592 +1.16%
2021-2022 $638,648 1.1752 $7,505 -1.07%
2020-2021 $632,100 1.200129 $7,586 +6.33%
2019-2020 $607,557 1.174279 $7,134 +0.14%
2018-2019 $595,645 1.196 $7,124 +2.26%
2017-2018 $583,966 1.193 $6,967 +10.18%
2016-2017 $530,517 1.1918 $6,323 +1.51%

Special assessments & penalties for 20457 Shamrock Place, 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

Permit information for 20457 Shamrock Place, Chatsworth, CA

Issued date Permit number Permit type Sub type Valuation Expire date Status
09/10/2014
08/20/2014
08/20/2014
06/11/2014
05/01/2014

*Most recent permits on record for this property.

More about Los Angeles County property records

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

Access the detailed traffic volume map for 20457 Shamrock Place, 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)
Germain Academy For Academic Achievement 6 Public K-5 573 0.39
Sierra Canyon School NR Private PK, K-12 1,011 0.78
Sierra Canyon School NR Private PK, K-12 1,011 0.78
Cds Elementary School NR Public K-6 4 1.23
Our Community Charter School 7 Charter K-8 405 1.23
Superior Street Elementary School 9 Charter K-5 439 1.26
Academy For Advancement Of Children With NR Private K-12 14 1.49
Chatsworth Park Elementary School 8 Public K-5 382 1.66
Beckford Charter for Enriched Studies 10 Charter K-5 594 1.75
Porter Ranch Community School 10 Public K-8 1,363 1.96
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Sierra Canyon School NR Private PK, K-12 1,011 0.78
Ernest Lawrence Middle School 5 Public 6-8 1,073 1.12
Our Community Charter School 7 Charter K-8 405 1.23
Saint Paul's Christian Academy NR Private 8-12 6 1.27
Academy For Advancement Of Children With NR Private K-12 14 1.49
Aggeler Community Day School 3 Public 7-12 23 1.75
William Tell Aggeler Opportunity High School 1 Public 7-12 58 1.75
Alfred B. Nobel Charter Middle School 10 Charter 6-8 1,940 1.79
Porter Ranch Community School 10 Public K-8 1,363 1.96
St. John Eudes NR Private K-8 284 2.06
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Sierra Canyon School NR Private PK, K-12 1,011 0.78
Chatsworth Charter High School 7 Charter 9-12 1,696 0.96
Stoney Point Continuation School 2 Public 9-12 107 1.05
Saint Paul's Christian Academy NR Private 8-12 6 1.27
Academy For Advancement Of Children With NR Private K-12 14 1.49
Aggeler Community Day School 3 Public 7-12 23 1.75
William Tell Aggeler Opportunity High School 1 Public 7-12 58 1.75
Sierra Canyon School NR Private K-12 941 2.06
Chaminade College Preparatory School NR Private 6-12 1,994 2.06
Granada Hills Charter High School 10 Charter K-12 5,869 3.12

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

Frequently asked questions

What is the year built for 20457 Shamrock Place, Chatsworth, CA 91311?

The development at 20457 Shamrock Place, Chatsworth, CA 91311 was built in 1969.

What is the total square footage of 20457 Shamrock Place, Chatsworth, CA 91311?

20457 Shamrock Place, Chatsworth, CA 91311 has a total of 2,420 square feet.

When was 20457 Shamrock Place, Chatsworth, CA 91311 last sold and what was the sale price?

20457 Shamrock Place, Chatsworth, CA 91311 was last sold on 10/21/2011 for $500,000.

What is the assessed value of 20457 Shamrock Place, Chatsworth, CA 91311?

20457 Shamrock Place, Chatsworth, CA 91311 is currently assessed at $691,277.

What are the property taxes for 20457 Shamrock Place, Chatsworth, CA 91311?

The property taxes for 20457 Shamrock Place, Chatsworth, CA 91311 total $8,208.

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