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2504 Porter Avenue, Altadena, CA 91001 Property Information

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Address

Primary address	2504 Porter Avenue, Altadena
Zip code	91001
County	Los Angeles

Sales & Tax Overview for 2504 Porter Avenue, Altadena

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

Sale date	09/27/1996
Sale price	$765,000

Arm's length	Register
Current property tax	$5,056

Lot & Building Information for 2504 Porter Avenue, Altadena

Building sqft	3,757
Building class	Single Family Residence with Pool (0101)
Acreage	0.737
Units	1
Year built	1928
Year last altered	Register
Bedrooms	4
Bathrooms	4
Heating/AC	Central heating
Pool	Yes

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Single-Family Residence (R-1-20000)
Weed hazard	No
School district	Pasadena Unified School District

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 2504 Porter Avenue, Altadena

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• Improvements for 2504 Porter Avenue, Altadena , including their type, square footage, grade and when they were built.

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About 2504 Porter Avenue, Altadena

What is the year built & the total sq. ft. for 2504 Porter Avenue, Altadena, CA 91001?

2504 Porter Avenue, Altadena, CA 91001 was built in 1928 and has a total of 3,757 square feet.

What is the assessed value of 2504 Porter Avenue, Altadena, CA 91001 and the property tax paid?

Assessed at $431,929, the tax amount paid for 2504 Porter Avenue, Altadena, CA 91001 is $4,718.

When was 2504 Porter Avenue, Altadena, CA 91001 last sold?

2504 Porter Avenue, Altadena, CA 91001 was last sold in 12/31/2020.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

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.

Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks

Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.

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Past Sales & Property History for 2504 Porter Avenue, Altadena

Create a free account to view the complete sales history for 2504 Porter Avenue, Altadena, including title documents, transfer conditions, mortgages and liens.

Purchase date	Purchase price	Buyer name	Seller name
09/27/1996	$765,000	Register	Register

More about Los Angeles County Property Records

Title Documents for 2504 Porter Avenue, Altadena

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
12/31/2020	Trust Deed
12/31/2020	Grant Deed (File correction - Single parcel sale)
04/25/2014	Reconveyance Substitution Trustee
02/02/2006	Trust Deed
02/02/2006	Trust Deed
10/04/2002	Deed (File correction - Single parcel sale)
09/27/1996	Deed
03/01/1996	Deed
03/01/1996	Deed

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R: Recorded date
D: Document date

Property Taxes for 2504 Porter Avenue, Altadena

Access detailed property tax data for 2504 Porter Avenue, Altadena, CA 91001. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year:	2025-2026
Base tax	$4,718
Current property tax	$5,056

Market value	$431,929
Tax per sqft	$1

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Special Assessments And Penalties for 2504 Porter Avenue, Altadena

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
05713	Altadena Library District Cfd No. 2020-1	Register
00744	Los Angeles County Fire Department	Register
03071	Los Angeles County Flood Control	Register
02800	Los Angeles County Lighting District	Register
00197	Los Angeles County Solid Waste Service Charge	Register

Assessment History for 2504 Porter Avenue, Altadena

Here's the assessment & property tax history for 2504 Porter Avenue, Altadena, 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	$431,929	1.0924	$4,718	-65.42%
2024-2025	$1,245,942	1.095	$13,643	+0.83%
2023-2024	$1,221,512	1.1077	$13,531	+3.68%
2022-2023	$1,197,562	1.0897	$13,050	+4.26%
2021-2022	$1,174,081	1.0661	$12,517	+4.38%

Permits for 2504 Porter Avenue, Altadena

The complete history of permits filed for 2504 Porter Avenue, Altadena, 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.

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More about Los Angeles County Property Records

Risk

Create a free account to unlock extended information for 2504 Porter Avenue, Altadena, 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	Register
Landslides and liquefaction map	Register

Transportation

Access the detailed traffic volume map for 2504 Porter Avenue, Altadena to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Aveson School Of Leaders	8	Charter	K-5	347	0.39
Stratford School- Altadena Allen	NR	Private	PK-3	128	0.63
Stratford School- Altadena Allen	NR	Private	PK-3	128	0.63
Sahag-Mesrob Armenian Christian School	NR	Private	PK-8	142	0.70
Sahag-Mesrob Armenian Christian School	NR	Private	PK-8	142	0.70

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Sahag-Mesrob Armenian Christian School	NR	Private	PK-8	142	0.70
Shiloh Academy	NR	Private	1-12	41	0.72
Eliot Arts Magnet	4	Public	6-8	423	0.88
Westminster Academy	NR	Private	K-8	0	1.04
Judson International School	NR	Private	K-12	123	1.04

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Shiloh Academy	NR	Private	1-12	41	0.72
Lindsay School	NR	Private	9-12	14	0.81
Judson International School	NR	Private	K-12	123	1.04
Sovereign Grace Academy	NR	Private	1-12	22	1.05
Pasadena Waldorf High School	NR	Private	PK-12	307	1.23

Neighbors for 2504 Porter Avenue, Altadena

Here are the neighbors for 2504 Porter Avenue, Altadena.

Address	Square feet	Purchase date	Purchase price
2485 Allen Ave, Altadena	2,303	12/10/2004	$730,007
2473 Allen Ave, Altadena	2,266	05/27/2011
1836 Homewood Dr, Altadena	2,438	03/27/2025
2453 Tanoble Dr, Altadena	1,200	04/26/2018	$970,000
2453 Allen Ave, Altadena	1,432	02/14/2023
1861 Braeburn Rd, Altadena	2,434	09/28/2007
1664 Homewood Dr, Altadena	3,437	12/22/2022
1714 Homewood Dr, Altadena	5,664	04/28/2023
2465 Tanoble Dr, Altadena	2,876	01/30/2020
1852 Homewood Dr, Altadena	1,545	01/29/2018
1860 Homewood Dr, Altadena	2,921	04/27/2026	$850,000
1710 Homewood Dr, Altadena	2,692	07/29/2002
1715 Braeburn Rd, Altadena	2,383	05/12/2000
1875 Braeburn Rd, Altadena	1,820	04/10/2026	$1,411,000
1851 Braeburn Rd, Altadena	2,518	03/19/2019
1686 Homewood Dr, Altadena	6,637	11/21/2012
1660 Homewood Dr, Altadena	2,047	09/18/2023
2475 Tanoble Dr, Altadena	1,714	08/18/2016	$1,100,000
1707 Braeburn Rd, Altadena	3,256	03/12/2013
2463 Allen Ave, Altadena	2,836	10/07/2014

Nearby ZIP Codes for 2504 Porter Avenue, Altadena

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Issued	Permit	Type	Sub type	Valuation	Expires	Status
05/02/2013