Los Angeles County  »  10445 Sylvia Ave

10445 Sylvia Avenue, Porter Ranch, CA 91326 Property Information

10445 Sylvia Avenue, Porter Ranch, CA 91326 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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10445 Sylvia Avenue, Porter Ranch, CA 91326
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Address

Primary address 10445 Sylvia Avenue, Porter Ranch
Alternate address(es) 10445 N Sylvia Ave
Zip code 91326
County Los Angeles
Municipality Los Angeles
Neighborhood Porter Ranch

Sales & Tax Overview for 10445 Sylvia Avenue, Porter Ranch

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 04/13/2011
Sale price $580,005
Arm's length
Current property tax $10,231

Lot & Building Information for 10445 Sylvia Avenue, Porter Ranch

Building sqft 2,142
Building class Single Family Residence with Pool (0101)
Acreage 0.555
Units 1
Year built 1973
Year last altered
Bedrooms 4
Bathrooms 3
Heating/AC Central refrigeration & heating
Pool Yes
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Suburban (RA)
Weed hazard No
School district Los Angeles Unified School District

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Other Property Data for 10445 Sylvia Avenue, Porter Ranch

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  • • Improvements for 10445 Sylvia Avenue, Porter Ranch , including their type, square footage, grade and when they were built.
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About 10445 Sylvia Avenue, Porter Ranch

What is the year built & the total sq. ft. for 10445 Sylvia Avenue, Porter Ranch, CA 91326?

10445 Sylvia Avenue, Porter Ranch, CA 91326 was built in 1973 and has a total of 2,142 square feet.

What is the assessed value of 10445 Sylvia Avenue, Porter Ranch, CA 91326 and the property tax paid?

Assessed at $811,926, the tax amount paid for 10445 Sylvia Avenue, Porter Ranch, CA 91326 is $9,640.

When was 10445 Sylvia Avenue, Porter Ranch, CA 91326 last sold and what was the last sale price?

10445 Sylvia Avenue, Porter Ranch, CA 91326 was last sold in 04/13/2011 for $580,005.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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Past Sales & Property History for 10445 Sylvia Avenue, Porter Ranch

Create a free account to view the complete sales history for 10445 Sylvia Avenue, Porter Ranch, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/13/2011 $580,005

Title Documents for 10445 Sylvia Avenue, Porter Ranch

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
04/13/2011 Deed
(Sale for consideration - full DTT - Single parcel sale)
01/14/2011 Affidavit Successor Trustee
(File correction - Single parcel sale)
07/11/1995 Deed
06/04/1993 Deed
               
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R: Recorded date
D: Document date

Property Taxes for 10445 Sylvia Avenue, Porter Ranch

Access detailed property tax data for 10445 Sylvia Avenue, Porter Ranch, CA 91326. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $9,641
Current property tax $10,231
Market value $811,926
Tax per sqft $5

Special Assessments And Penalties for 10445 Sylvia Avenue, Porter Ranch

Special Assessments

Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.

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

Assessment History for 10445 Sylvia Avenue, Porter Ranch

Here's the assessment & property tax history for 10445 Sylvia Avenue, Porter Ranch, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $811,926 1.1874 $9,641 +0.95%
2024-2025 $796,017 1.1997 $9,550 +2.03%
2023-2024 $780,409 1.1994 $9,360 +4.97%
2022-2023 $765,108 1.1655 $8,917 +1.16%
2021-2022 $750,107 1.1752 $8,815 -1.07%

Permits for 10445 Sylvia Avenue, Porter Ranch

The complete history of permits filed for 10445 Sylvia Avenue, Porter Ranch, including new construction or demolition permits, complaints, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Issued Permit Type Sub type Valuation Expires Status
04/21/2020
03/27/2020
02/09/2017
08/17/2016
06/29/2012
06/17/2011
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Los Angeles residential market stats

Median Sale Price
$1,000,000
1% YoY
Median Price/Sqft
$663
1.5% YoY
Los Angeles County Median Sale Price
$872,000
0.2% YoY

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 County.

Check out recently sold homes in LOS-ANGELES and see how their prices compare.

Risk

Create a free account to unlock extended information for 10445 Sylvia Avenue, Porter Ranch, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Seismic gas shut off valve installed
Earthquake-induced liquefaction area

Transportation

Access the detailed traffic volume map for 10445 Sylvia Avenue, Porter Ranch to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Beckford Charter for Enriched Studies 10 Charter K-5 594 0.54
Our Community Charter School 7 Charter K-8 405 0.81
Cds Elementary School NR Public K-6 4 0.81
Cornerstone Christian Academy NR Private 1-12 11 0.90
Topeka Charter School For Advanced Studies 8 Charter K-5 539 0.91

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Alfred B. Nobel Charter Middle School 10 Charter 6-8 1,940 0.62
Our Community Charter School 7 Charter K-8 405 0.81
Cornerstone Christian Academy NR Private 1-12 11 0.90
Granada Hills Charter High School 10 Charter K-12 5,869 1.57
Granada Preparatory School NR Private PK-8 106 1.71

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Cornerstone Christian Academy NR Private 1-12 11 0.90
Granada Hills Charter High School 10 Charter K-12 5,869 1.57
Northridge Academy High 6 Public 9-12 900 1.91
Chatsworth Charter High School 7 Charter 9-12 1,696 1.93
San Fernando Valley Academy NR Private K-12 123 2.06

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 10445 Sylvia Avenue, Porter Ranch

Here are the neighbors for 10445 Sylvia Avenue, Porter Ranch.

Address Square feet Purchase date Purchase price
19160 Harnett St, Porter Ranch 1,950 05/16/2000
19200 Harnett St, Porter Ranch 1,892 06/28/2016
10400 Key West Ave, Porter Ranch 2,331 07/20/2022 $1,267,500
19214 Harnett St, Porter Ranch 3,693 02/08/2019 $927,000
19226 Harnett St, Porter Ranch 2,140 03/12/2018
10456 Key West Ave, Porter Ranch 1,950 01/28/2026
10470 Key West Ave, Porter Ranch 1,892 11/18/2022
10460 Key West Ave, Porter Ranch 1,950 03/10/2021
10416 Key West Ave, Porter Ranch 3,600 02/10/2023
10401 Sylvia Ave, Porter Ranch 2,460 07/27/2009
19194 Harnett St, Porter Ranch 1,950 02/05/2026
10440 Key West Ave, Porter Ranch 2,870 08/01/2011
10444 Sylvia Ave, Porter Ranch 1,950 03/25/2022 $1,410,000
19150 Harnett St, Porter Ranch 1,866 07/23/2019
19182 Harnett St, Porter Ranch 1,788 04/07/2026
10413 Sylvia Ave, Porter Ranch 2,356 12/20/2021 $1,465,000
10425 Sylvia Ave, Porter Ranch 2,487 02/23/2026
19174 Harnett St, Porter Ranch 1,950 07/10/1997
10428 Key West Ave, Porter Ranch 2,215 08/19/1996
19144 Harnett St, Porter Ranch 1,892 01/31/2025

Nearby ZIP Codes for 10445 Sylvia Avenue, Porter Ranch

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