Google street view image for 18417 Los Alimos St, Porter Ranch, CA 91326

Off market aug 1987 for $175K

$1,059,124

Est. refi paymentEst. refi $1,335/mo

•

2 ba

•

2,002

sq ft

18417 Los Alimos St, Porter Ranch, CA 91326

About this home

18417 Los Alimos St is a 2,002 square foot house on a 0.25 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on August 21, 1987 for $175,000. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,059,124.

Single-familyProperty Type

1959Year Built

0.25 acresLot Size

$529Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,059,124

$884K since sold in August 1987$16K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.6% lower than the average sale price ($1.11M) of 6 comparable homes.

SOLD SEP 1, 2026
$1,060,000
A
4 beds2 baths1,698 sq ft
18438 Los Alimos St, Porter Ranch, CA 91326
SOLD SEP 18, 2026
$1,140,000
B
4 beds2 baths1,933 sq ft
10925 Yolanda, Northridge, CA 91326
Pinnacle Estate Properties
SOLD SEP 14, 2026
$1,215,000
C
4 beds3 baths2,194 sq ft
18319 San Jose St, Northridge, CA 91326
SOLD SEP 9, 2026
$975,000
D
4 beds2 baths1,590 sq ft
18442 Los Alimos, Porter Ranch, CA 91326
SOLD APR 7, 2026
$1,071,000
E
4 beds2 baths1,680 sq ft
11017 Baird, Porter Ranch, CA 91326
SOLD SEP 25, 2026
$1,200,000
F
4 beds3 baths2,093 sq ft
17735 Fullerfarm, Northridge, CA 91325
RE/MAX One

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Earn from this home

Sell

$1,000,661

Est. take-home

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Refinance

Est. cash available

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Rent

$4,872/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

NEW 13 HRS AGO
$674,900
4 beds2.5 baths1,607 sq ft
11621 Tampa Ave #194, Porter Ranch, CA 91326
COMING SOON
$2,380,000
5 beds6 baths4,214 sq ft
12035 Ricasoli, Porter Ranch, CA 91326
Compass
$1,498,000
4 beds3 baths3,405 sq ft
20233 Wynfreed, Porter Ranch, CA 91326
LISTED BY REDFIN
$789,999
2 beds2.5 baths1,122 sq ft
11506 Ghiberti, Porter Ranch, CA 91326
$1,189,000
4 beds2 baths1,872 sq ft
11841 Laughton Way, Porter Ranch, CA 91326
$1,545,000
4 beds3 baths2,618 sq ft
10643 Atlanta, Porter Ranch, CA 91326
Equity Union
$1,980,000
5 beds5.5 baths3,880 sq ft
20756 W Bluebird Ct, Porter Ranch, CA 91326
$1,199,950
4 beds2.5 baths2,542 sq ft
12128 Stewarton Dr, Porter Ranch, CA 91326
$674,500
3 beds2 baths1,430 sq ft
19565 Rinaldi St #18, Porter Ranch, CA 91326
$1,290,000
5 beds3 baths1,771 sq ft
10740 Viking, Porter Ranch, CA 91326
See all

Provided by Redfin

Sale history for 18417 Los Alimos St

Year

Property tax

Land + Additions

Assessment*

2025

$5,134 (+0.6%)

$193,118 + $204,117

$397,235

2024

$5,103 (+1.9%)

$193,118 + $204,117

$397,235

2023

$5,010 (+4.6%)

$189,332 + $200,115

$389,447

2022

$4,789 (+1.4%)

$185,620 + $196,192

$381,812

2021

$4,723 (−0.9%)

$181,981 + $192,346

$374,327

2020

$4,764 (+3.8%)

$178,413 + $188,575

$366,988

2019

$4,589 (+3.8%)

$176,584 + $186,642

$363,226

2018

$4,420 (+2.2%)

$173,122 + $182,983

$356,105

2017

$4,324 (+12.9%)

$166,400 + $175,879

$342,279

2016

$3,831 (+1.4%)

$166,400 + $175,879

$342,279

2015

$3,777 (−0.5%)

$163,138 + $141,558

$304,696

2014

$3,797 (−1.3%)

$157,541 + $136,701

$294,242

2012

$3,846 (+3.1%)

$156,829 + $136,084

$292,913

2011

$3,731 (−1.0%)

$153,754 + $133,416

$287,170

2010

$3,770 (+3.6%)

$150,740 + $130,800

$281,540

2009

$3,639 (+4.3%)

$149,614 + $129,823

$279,437

2008

$3,490

$149,970 + $130,132

$280,102

Tax history for 18417 Los Alimos St

Year

Property tax

Land + Additions

Assessment*

2025

$5,134 (+0.6%)

$193,118 + $204,117

$397,235

2024

$5,103 (+1.9%)

$193,118 + $204,117

$397,235

2023

$5,010 (+4.6%)

$189,332 + $200,115

$389,447

2022

$4,789 (+1.4%)

$185,620 + $196,192

$381,812

2021

$4,723 (−0.9%)

$181,981 + $192,346

$374,327

2020

$4,764 (+3.8%)

$178,413 + $188,575

$366,988

2019

$4,589 (+3.8%)

$176,584 + $186,642

$363,226

2018

$4,420 (+2.2%)

$173,122 + $182,983

$356,105

2017

$4,324 (+12.9%)

$166,400 + $175,879

$342,279

2016

$3,831 (+1.4%)

$166,400 + $175,879

$342,279

2015

$3,777 (−0.5%)

$163,138 + $141,558

$304,696

2014

$3,797 (−1.3%)

$157,541 + $136,701

$294,242

2012

$3,846 (+3.1%)

$156,829 + $136,084

$292,913

2011

$3,731 (−1.0%)

$153,754 + $133,416

$287,170

2010

$3,770 (+3.6%)

$150,740 + $130,800

$281,540

2009

$3,639 (+4.3%)

$149,614 + $129,823

$279,437

2008

$3,490

$149,970 + $130,132

$280,102

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

Permits

Mar 18, 2024 • Final

Bldg-alter/repair

Replace the roof covering on a residential building with a class A or B material over existing solid sheathing. Apply a certified cool roof product as required by local fire hazard and energy efficiency regulations.

Roofing

Mar 3, 2017 • Final

Bldg-alter/repair

Replace the roof on a residential building with class A or B material over existing solid sheathing. Apply a cool roof product labeled and certified by the Cool Roof Rating Council.

Roofing

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: 2,002
# of Units: 1
Legal Description: TRACT # 23857 LOT 30

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,063
Legal Lot Number: 30
Municipality Name: LOS ANGELES
Acres: 0.254
Depth Footage: 135
Front Footage: 81
Zoning Code: LARE11
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,002
Stories: —
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1968
County: Los Angeles County
APN: 2715007055

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 • 1.3mi

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

$1.01M – $1.22M

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New listings for sale in 91326

NEW 13 HRS AGO

$674,900

4 beds2.5 baths1,607 sq ft

11621 Tampa Ave #194, Porter Ranch, CA 91326

COMING SOON

$2,380,000

5 beds6 baths4,214 sq ft

12035 Ricasoli, Porter Ranch, CA 91326

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4 beds3 baths3,405 sq ft

20233 Wynfreed, Porter Ranch, CA 91326

LISTED BY REDFIN3D WALKTHROUGH

$789,999

2 beds2.5 baths1,122 sq ft

11506 Ghiberti, Porter Ranch, CA 91326

$1,189,000

4 beds2 baths1,872 sq ft

11841 Laughton Way, Porter Ranch, CA 91326

$1,545,000

4 beds3 baths2,618 sq ft

10643 Atlanta, Porter Ranch, CA 91326

Equity Union

$1,980,000

5 beds5.5 baths3,880 sq ft

20756 W Bluebird Ct, Porter Ranch, CA 91326

$1,199,950

4 beds2.5 baths2,542 sq ft

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Home values near 18417 Los Alimos St

Data from public records.

Address	Redfin Estimate
18401 Los Alimos Street, Porter Ranch, CA 3 Beds \| 2 Baths \| 1692 Sq. Ft.	$994,507
18433 Los Alimos Street, Porter Ranch, CA 3 Beds \| 2 Baths \| 2301 Sq. Ft.	$1,233,129

Address	Redfin Estimate
18409 Los Alimos Street, Porter Ranch, CA 3 Beds \| 2 Baths \| 2220 Sq. Ft.	$1,237,789
18441 Los Alimos Street, Porter Ranch, CA 5 Beds \| 4 Baths \| 2732 Sq. Ft.	$1,234,718

Address	Redfin Estimate
18425 Los Alimos Street, Northridge, CA 3 Beds \| 2 Baths \| 2201 Sq. Ft.	$1,080,033
18445 Los Alimos Street, Porter Ranch, CA 4 Beds \| 2 Baths \| 1780 Sq. Ft.	$1,142,447

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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 Northridge East, CA

Sale history for 18417 Los Alimos St

Tax history for 18417 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 18417 Los Alimos St

More real estate resources