Google street view image for 18441 Los Alimos St, Porter Ranch, CA 91326

Off market oct 2003 for $445K

$1,234,718

Est. refi paymentEst. refi $3,387/mo

•

4 ba

•

2,732

sq ft

18441 Los Alimos St, Porter Ranch, CA 91326

About this home

18441 Los Alimos St is a 2,732 square foot house on a 0.25 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on October 09, 2003 for $445,000. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,234,718.

Single-familyProperty Type

1959Year Built

0.25 acresLot Size

$452Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,234,718

$790K since sold in October 2003$9,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.6% higher than the average sale price ($1.17M) of 6 comparable homes.

SOLD AUG 27, 2026
$1,150,000
A
5 beds3 baths2,392 sq ft
18400 Bermuda St, Northridge, CA 91326
SOLD MAY 19, 2026
$1,005,000
B
5 beds3 baths2,591 sq ft
18301 Chatsworth St, Porter Ranch, CA 91326
SOLD SEP 14, 2026
$1,215,000
C
4 beds3 baths2,194 sq ft
18319 San Jose St, Northridge, CA 91326
SOLD AUG 21, 2026
$1,100,000
D
4 beds3 baths2,458 sq ft
10828 Amigo Ave, Porter Ranch, CA 91326
SOLD JUN 10, 2026
$1,345,000
E
4 beds3 baths2,501 sq ft
17831 Fullerfarm St, Northridge, CA 91325
SOLD SEP 25, 2026
$1,200,000
F
4 beds3 baths2,093 sq ft
17735 Fullerfarm, Northridge, CA 91325
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Earn from this home

Sell

$1,042,747

Est. take-home

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Est. cash available

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Rent

$6,628/mo

Redfin rental estimate

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Market trends in Northridge East, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.8%

+0.8% MoM

Median sale price

$1.2M

$140K MoM

Avg. days on market

36d

8 days MoM

Recently sold homes

2 MoM

New listings for sale

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REDFIN OPEN SUN, 1PM TO 4PM
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2 beds2.5 baths1,122 sq ft
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OPEN SUN, 1PM TO 4PM
$1,189,000
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11841 Laughton Way, Porter Ranch, CA 91326
$1,545,000
4 beds3 baths2,618 sq ft
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OPEN SUN, 11AM TO 1PM
$1,199,950
4 beds2.5 baths2,542 sq ft
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OPEN SUN, 12PM TO 3PM
$674,500
3 beds2 baths1,430 sq ft
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See all

Provided by Redfin

Sale history for 18441 Los Alimos St

Year

Property tax

Land + Additions

Assessment*

2025

$10,002 (+1.2%)

$490,510 + $312,758

$803,268

2024

$9,882 (+1.9%)

$490,510 + $312,758

$803,268

2023

$9,695 (+4.8%)

$480,893 + $306,626

$787,519

2022

$9,252 (+1.3%)

$471,464 + $300,614

$772,078

2021

$9,129 (−0.9%)

$462,220 + $294,720

$756,940

2020

$9,217 (+4.0%)

$453,157 + $288,942

$742,099

2019

$8,860 (+1.7%)

$448,511 + $285,980

$734,491

2018

$8,712 (+2.2%)

$439,717 + $280,373

$720,090

2017

$8,522 (+2.5%)

$422,644 + $269,487

$692,131

2016

$8,310 (+1.5%)

$422,644 + $269,487

$692,131

2015

$8,190 (+5.8%)

$414,357 + $264,203

$678,560

2014

$7,739 (+12.9%)

$367,300 + $248,500

$615,800

2012

$6,853 (−7.6%)

$334,000 + $226,000

$560,000

2011

$7,414 (+27.2%)

$312,000 + $211,000

$523,000

2010

$5,830 (+3.9%)

$343,700 + $231,760

$575,460

2009

$5,610 (−5.4%)

$343,700 + $99,600

$443,300

2008

$5,933

$343,700 + $99,600

$443,300

Tax history for 18441 Los Alimos St

Year

Property tax

Land + Additions

Assessment*

2025

$10,002 (+1.2%)

$490,510 + $312,758

$803,268

2024

$9,882 (+1.9%)

$490,510 + $312,758

$803,268

2023

$9,695 (+4.8%)

$480,893 + $306,626

$787,519

2022

$9,252 (+1.3%)

$471,464 + $300,614

$772,078

2021

$9,129 (−0.9%)

$462,220 + $294,720

$756,940

2020

$9,217 (+4.0%)

$453,157 + $288,942

$742,099

2019

$8,860 (+1.7%)

$448,511 + $285,980

$734,491

2018

$8,712 (+2.2%)

$439,717 + $280,373

$720,090

2017

$8,522 (+2.5%)

$422,644 + $269,487

$692,131

2016

$8,310 (+1.5%)

$422,644 + $269,487

$692,131

2015

$8,190 (+5.8%)

$414,357 + $264,203

$678,560

2014

$7,739 (+12.9%)

$367,300 + $248,500

$615,800

2012

$6,853 (−7.6%)

$334,000 + $226,000

$560,000

2011

$7,414 (+27.2%)

$312,000 + $211,000

$523,000

2010

$5,830 (+3.9%)

$343,700 + $231,760

$575,460

2009

$5,610 (−5.4%)

$343,700 + $99,600

$443,300

2008

$5,933

$343,700 + $99,600

$443,300

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

Permits

Jun 21, 2021 • Final

Hvac

Install a new condenser, evaporator coil, and furnace. Replace the air ducts.

HVAC

Apr 7, 2010 • Final

Bldg-addition

Addition

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
Heating Type: Central

Exterior

Property Information
Subdivision Name: 23857
Living Sq. Ft: 2,732
# of Units: 1
Legal Description: TRACT # 23857 LOT 33

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,076
Legal Lot Number: 33
Municipality Name: LOS ANGELES
Acres: 0.2543
Depth Footage: 144
Front Footage: 69
Zoning Code: LARE11
County Use Description: SINGLE FAMILY RESID

Location Information
Parcel Location Influence: Cul-De-Sac

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 2,732
Stories: —
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1978
County: Los Angeles County
APN: 2715007058

Home facts updated by county records on Sep 21, 2026

Around this home

Schools

Darby Avenue Charter School

Public K-5 • Assigned • 0.1mi

7/10

Patrick Henry Middle School

Public 6-8 • Assigned • 1.4mi

8/10

Northridge Academy High

Public 9-12 • Assigned • 1.5mi

6/10

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,...
3 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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 100° expected this year, 19 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

$1.17M – $1.42M

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Home values near 18441 Los Alimos St

Data from public records.

Address	Redfin Estimate
18409 Los Alimos Street, Porter Ranch, CA 3 Beds \| 2 Baths \| 2220 Sq. Ft.	$1,237,789
18433 Los Alimos Street, Porter Ranch, CA 3 Beds \| 2 Baths \| 2301 Sq. Ft.	$1,233,129

Address	Redfin Estimate
18417 Los Alimos Street, Porter Ranch, CA 4 Beds \| 2 Baths \| 2002 Sq. Ft.	$1,059,124
18445 Los Alimos Street, Porter Ranch, CA 4 Beds \| 2 Baths \| 1780 Sq. Ft.	$1,142,447

Address	Redfin Estimate
18425 Los Alimos Street, Northridge, CA 3 Beds \| 2 Baths \| 2201 Sq. Ft.	$1,080,033
18412 Los Alimos Street, Porter Ranch, CA 4 Beds \| 2 Baths \| 2049 Sq. Ft.	$1,124,652

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About this home

Redfin Estimate

Earn from this home

Market trends in Northridge East, CA

Sale history for 18441 Los Alimos St

Tax history for 18441 Los Alimos 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 91326

Home values near 18441 Los Alimos St

More real estate resources