Google street view image for 18521 Asuncion St, Porter Ranch, CA 91326

Off market nov 1994 for $212K

$1,093,669

Est. refi paymentEst. refi $1,456/mo

•

2 ba

•

1,992

sq ft

18521 Asuncion St, Porter Ranch, CA 91326

About this home

18521 Asuncion St is a 1,992 square foot house on a 9,903 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on November 08, 1994 for $212,500. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,093,669.

Single-familyProperty Type

1973Year Built

9,903 sq ftLot Size

$549Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,093,669

$881K since sold in November 1994$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.4% higher than the average sale price ($1.09M) of 6 comparable homes.

SOLD JUN 26, 2026
$970,000
A
3 beds2 baths1,633 sq ft
18630 Nau, Porter Ranch, CA 91326
SOLD SEP 3, 2026
$955,000
B
3 beds2 baths1,418 sq ft
11656 Amigo Ave, Porter Ranch, CA 91326
SOLD AUG 17, 2026
$1,010,000
C
3 beds2 baths1,685 sq ft
11549 Baird, Porter Ranch, CA 91326
SOLD APR 26, 2026
$1,230,000
D
3 beds2 baths1,814 sq ft
11625 Baird Ave, Porter Ranch, CA 91326
SOLD MAR 27, 2026
$1,436,000
E
3 beds2 baths1,961 sq ft
11431 Porter Vly, Porter Ranch, CA 91326
SOLD AUG 31, 2026
$938,000
F
3 beds2 baths1,285 sq ft
11538 Viking, Porter Ranch, CA 91326

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Earn from this home

Sell

$1,033,335

Est. take-home

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Est. cash available

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Rent

$4,606/mo

Redfin rental estimate

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Market trends in Porter Ranch, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.2%

+0.4% MoM

Median sale price

$1.3M

$70K MoM

Avg. days on market

43d

2 days MoM

Recently sold homes

6 MoM

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See all

Provided by Redfin

Sale history for 18521 Asuncion St

Year

Property tax

Land + Additions

Assessment*

2025

$2,641 (−42.0%)

$261,261 + $102,780

$364,041

2024

$4,554 (+1.9%)

$256,139 + $100,765

$356,904

2023

$4,471 (+4.7%)

$251,117 + $98,790

$349,907

2022

$4,272 (+1.4%)

$246,194 + $96,853

$343,047

2021

$4,212 (−0.8%)

$241,367 + $94,954

$336,321

2020

$4,248 (+3.9%)

$236,635 + $93,093

$329,728

2019

$4,090 (+3.0%)

$234,209 + $92,139

$326,348

2018

$3,969 (+2.2%)

$229,617 + $90,333

$319,950

2017

$3,883 (+2.8%)

$220,701 + $86,826

$307,527

2016

$3,777 (+1.4%)

$220,701 + $86,826

$307,527

2015

$3,724 (−0.5%)

$216,374 + $85,124

$301,498

2014

$3,743 (−1.3%)

$208,950 + $82,204

$291,154

2012

$3,791 (+3.1%)

$208,006 + $81,833

$289,839

2011

$3,678 (−1.0%)

$203,928 + $80,229

$284,157

2010

$3,716 (+3.7%)

$199,930 + $78,656

$278,586

2009

$3,584 (+4.3%)

$198,436 + $78,069

$276,505

2008

$3,436

$198,908 + $78,255

$277,163

Tax history for 18521 Asuncion St

Year

Property tax

Land + Additions

Assessment*

2025

$2,641 (−42.0%)

$261,261 + $102,780

$364,041

2024

$4,554 (+1.9%)

$256,139 + $100,765

$356,904

2023

$4,471 (+4.7%)

$251,117 + $98,790

$349,907

2022

$4,272 (+1.4%)

$246,194 + $96,853

$343,047

2021

$4,212 (−0.8%)

$241,367 + $94,954

$336,321

2020

$4,248 (+3.9%)

$236,635 + $93,093

$329,728

2019

$4,090 (+3.0%)

$234,209 + $92,139

$326,348

2018

$3,969 (+2.2%)

$229,617 + $90,333

$319,950

2017

$3,883 (+2.8%)

$220,701 + $86,826

$307,527

2016

$3,777 (+1.4%)

$220,701 + $86,826

$307,527

2015

$3,724 (−0.5%)

$216,374 + $85,124

$301,498

2014

$3,743 (−1.3%)

$208,950 + $82,204

$291,154

2012

$3,791 (+3.1%)

$208,006 + $81,833

$289,839

2011

$3,678 (−1.0%)

$203,928 + $80,229

$284,157

2010

$3,716 (+3.7%)

$199,930 + $78,656

$278,586

2009

$3,584 (+4.3%)

$198,436 + $78,069

$276,505

2008

$3,436

$198,908 + $78,255

$277,163

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Nov 17, 2015 • Final

Electrical

Upgrade the main electrical service to a higher amperage.

Electrical

Nov 17, 2015 • Final

Electrical

Install a new solar system on an existing residential rooftop. The project includes the installation of solar modules and an inverter.

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: 26442
Living Sq. Ft: 1,992
# of Units: 1
Legal Description: TRACT NO 26442 LOT 4

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,903
Legal Lot Number: 4
Municipality Name: LOS ANGELES
Acres: 0.2273
Depth Footage: 130
Front Footage: 76
Zoning Code: LARE9
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,992
Stories: —
Lot Size: 9,903 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1976
County: Los Angeles County
APN: 2872017007

Home facts updated by county records on Oct 5, 2026

Around this home

Schools

Castlebay Lane Charter School

Charter K-5 • Assigned • 1.2mi

10/10

Robert Frost Middle School

Public 6-8 • Assigned • 1.8mi

9/10

Valley Academy Of Arts And Sciences

Public 9-12 • Assigned • 2.3mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The LA market is rewarding realistic pricing and good strategy. Buyers have more choices and are taking their time, while sellers who price correctly are still getting results. The days of simply “testing the market” are behind us—in this market,...
4 weeks ago • Los Angeles
Peter Santos
Redfin Premier agent
85 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

7/10 Fire Factor

21% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 100° expected this year, 17 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

10 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Porter Ranch, CA • 91326

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10 hours in June and 6.3 hours in December, placing it above the U.S. average for solar exposure.

10 hrs

6.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.04M – $1.26M

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5 beds5 baths4,116 sq ft

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5 beds6 baths4,721 sq ft

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Home values near 18521 Asuncion St

Data from public records.

Address	Redfin Estimate
18544 Asuncion Street, Porter Ranch, CA 4 Beds \| 3 Baths \| 2174 Sq. Ft.	$1,076,918
18520 Asuncion Street, Porter Ranch, CA 4 Beds \| 3 Baths \| 2174 Sq. Ft.	$1,344,469

Address	Redfin Estimate
18538 Asuncion Street, Porter Ranch, CA 3 Beds \| 2.5 Baths \| 1762 Sq. Ft.	$1,176,268
18543 Asuncion Street, Porter Ranch, CA 3 Beds \| 3 Baths \| 2416 Sq. Ft.	$1,286,945

Address	Redfin Estimate
18530 Asuncion Street, Porter Ranch, CA 5 Beds \| 3 Baths \| 2436 Sq. Ft.	$1,248,327
18549 Asuncion Street, Porter Ranch, CA 5 Beds \| 3 Baths \| 2090 Sq. Ft.	$1,169,065

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in Porter Ranch, CA

Sale history for 18521 Asuncion St

Tax history for 18521 Asuncion St

Permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91324

Home values near 18521 Asuncion St

More real estate resources