Google street view image for 18817 Kilfinan St, Porter Ranch, CA 91326

Off market sep 2000 for $375K

$1,248,842

Est. refi paymentEst. refi $2,395/mo

•

3 ba

•

2,378

sq ft

18817 Kilfinan St, Porter Ranch, CA 91326

About this home

18817 Kilfinan St is a 2,378 square foot house on a 0.29 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on September 22, 2000 for $375,000. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,248,842.

Single-familyProperty Type

1966Year Built

0.29 acresLot Size

$525Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,248,842

$874K since sold in September 2000$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.1% lower than the average sale price ($1.28M) of 6 comparable homes.

SOLD JUL 2, 2026
$1,389,000
A
4 beds3 baths2,618 sq ft
19238 Castlebay Ln, Porter Ranch, CA 91326
Equity Union
SOLD MAY 11, 2026
$1,300,000
B
4 beds3 baths2,450 sq ft
18931 Kinbrace St, Porter Ranch, CA 91326
SOLD AUG 19, 2026
$1,231,600
C
3 beds3 baths2,492 sq ft
12251 Derwent Ave, Porter Ranch, CA 91326
SOLD JUL 21, 2026
$1,400,000
D
4 beds3 baths2,435 sq ft
11958 Darby, Porter Ranch, CA 91326
SOLD MAR 18, 2026
$1,280,000
E
4 beds3 baths2,543 sq ft
12115 Braemore Pl, Porter Ranch, CA 91326
SOLD SEP 23, 2026
11833 Preston Trails Ave, Porter Ranch, CA 91326
$1,055,000
F
4 beds3 baths2,620 sq ft
11833 Preston Trails Ave, Porter Ranch, CA 91326
Coldwell Banker Realty

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Earn from this home

Sell

$1,117,106

Est. take-home

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Refinance

Est. cash available

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Rent

$5,267/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%

+0.0% MoM

Median sale price

$1.2M

$57K MoM

Avg. days on market

41d

2 days MoM

Recently sold homes

9 MoM

New listings for sale

NEW 4 HRS AGO
$875,000
3 beds3 baths1,600 sq ft
20336 Paseo Los Arcos, Porter Ranch, CA 91326
OPEN SAT, 1PM TO 4PM
$1,475,000
5 beds3 baths2,557 sq ft
19436 Hiawatha, Porter Ranch, CA 91326
OPEN SAT, 12PM TO 4PM
$920,000
4 beds3 baths1,746 sq ft
19558 Turtle Rdg, Porter Ranch, CA 91326
OPEN SAT, 2PM TO 4PM
$400,000
2 beds1 bath912 sq ft
10331 Lindley Ave #228, Porter Ranch, CA 91326
NEW 33 HRS AGO
$4,250,000
5 beds6.5 baths6,572 sq ft
20450 W Albion Way, Porter Ranch, CA 91326
OPEN SUN, 1PM TO 4PM
$819,000
2 beds2.5 baths1,787 sq ft
19405 Turtle Ridge Ln, Porter Ranch, CA 91326
COMING SOON
$1,299,000
4 beds3 baths2,829 sq ft
19518 Nashville, Porter Ranch, CA 91326
COMING SOON
$2,649,000
4 beds4.5 baths5,492 sq ft
20239 Jubilee Way W, Porter Ranch, CA 91326
OPEN SUN, 1PM TO 4PM
$1,299,950
4 beds3 baths2,276 sq ft
19174 Doral Pl, Porter Ranch, CA 91326
COMING SOON
18918 Kirkcolm, Porter Ranch, CA 91326
$900,000
3 beds2 baths1,486 sq ft
18918 Kirkcolm, Porter Ranch, CA 91326
See all

Provided by Redfin

Sale history for 18817 Kilfinan St

Year

Property tax

Land + Additions

Assessment*

2025

$7,195 (+1.3%)

$395,452 + $180,893

$576,345

2024

$7,102 (+1.9%)

$387,699 + $177,347

$565,046

2023

$6,970 (+4.7%)

$380,098 + $173,870

$553,968

2022

$6,655 (+1.4%)

$372,646 + $170,461

$543,107

2021

$6,566 (−0.9%)

$365,340 + $167,119

$532,459

2020

$6,628 (+4.0%)

$358,177 + $163,843

$522,020

2019

$6,375 (+2.2%)

$354,505 + $162,163

$516,668

2018

$6,238 (+2.2%)

$347,554 + $158,984

$506,538

2017

$6,103 (+2.6%)

$334,059 + $152,811

$486,870

2016

$5,948 (+1.4%)

$334,059 + $152,811

$486,870

2015

$5,863 (+5.9%)

$327,509 + $149,815

$477,324

2014

$5,537 (−1.3%)

$287,274 + $144,672

$431,946

2012

$5,612 (+3.2%)

$285,976 + $144,019

$429,995

2011

$5,439 (−1.1%)

$280,369 + $141,196

$421,565

2010

$5,498 (+3.7%)

$274,872 + $138,428

$413,300

2009

$5,301 (+4.4%)

$272,818 + $137,394

$410,212

2008

$5,079

$273,467 + $137,721

$411,188

Tax history for 18817 Kilfinan St

Year

Property tax

Land + Additions

Assessment*

2025

$7,195 (+1.3%)

$395,452 + $180,893

$576,345

2024

$7,102 (+1.9%)

$387,699 + $177,347

$565,046

2023

$6,970 (+4.7%)

$380,098 + $173,870

$553,968

2022

$6,655 (+1.4%)

$372,646 + $170,461

$543,107

2021

$6,566 (−0.9%)

$365,340 + $167,119

$532,459

2020

$6,628 (+4.0%)

$358,177 + $163,843

$522,020

2019

$6,375 (+2.2%)

$354,505 + $162,163

$516,668

2018

$6,238 (+2.2%)

$347,554 + $158,984

$506,538

2017

$6,103 (+2.6%)

$334,059 + $152,811

$486,870

2016

$5,948 (+1.4%)

$334,059 + $152,811

$486,870

2015

$5,863 (+5.9%)

$327,509 + $149,815

$477,324

2014

$5,537 (−1.3%)

$287,274 + $144,672

$431,946

2012

$5,612 (+3.2%)

$285,976 + $144,019

$429,995

2011

$5,439 (−1.1%)

$280,369 + $141,196

$421,565

2010

$5,498 (+3.7%)

$274,872 + $138,428

$413,300

2009

$5,301 (+4.4%)

$272,818 + $137,394

$410,212

2008

$5,079

$273,467 + $137,721

$411,188

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

Permits

Aug 2, 2017 • Final

Plumbing

Install a sub meter.

Electrical

Electric meter

Plumbing

May 30, 2014 • Final

Bldg-alter/repair

Perform reroofing using built-up roofing materials over existing solid sheathing.

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
Air Conditioning Type: Central
Heating Type: Central

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: 28648
Living Sq. Ft: 2,378
# of Units: 1
Legal Description: TRACT NO 28648 LOT 209

Lot Information
# of Buildings: 1
Land Sq. Ft: 12,607
Legal Lot Number: 209
Municipality Name: LOS ANGELES
Acres: 0.2894
Depth Footage: 135
Front Footage: 60
Zoning Code: LARS
County Use Description: SINGLE FAMILY RESID

Location Information
Parcel Location Influence: Cul-De-Sac

Utility Information
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,378
Stories: —
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1966
County: Los Angeles County
APN: 2820005004

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

Castlebay Lane Charter School

Charter K-5 • Assigned • 0.4mi

10/10

Robert Frost Middle School

Public 6-8 • Assigned • 1.8mi

9/10

Valley Academy Of Arts And Sciences

Public 9-12 • Assigned • 3.5mi

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,...
1 month ago • Los Angeles
Peter Santos
Redfin Premier agent
86 deals
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Climate risks

1/10 Flood Factor

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

8/10 Fire Factor

30% 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

$1.19M – $1.44M

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OPEN SAT, 2PM TO 4PM

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10331 Lindley Ave #228, Porter Ranch, CA 91326

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Home values near 18817 Kilfinan St

Data from public records.

Address	Redfin Estimate
18879 Kilfinan St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2310 Sq. Ft.	$1,193,345
18857 Kilfinan St, Porter Ranch, CA 3 Beds \| - Baths \| 2450 Sq. Ft.	$1,260,509

Address	Redfin Estimate
18871 Kilfinan St, Porter Ranch, CA 5 Beds \| 3 Baths \| 3358 Sq. Ft.	$1,304,824
18851 Kilfinan St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2366 Sq. Ft.	$1,219,547

Address	Redfin Estimate
18865 Kilfinan St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2310 Sq. Ft.	$1,112,609
18845 Kilfinan St, Porter Ranch, CA 5 Beds \| 3 Baths \| 2310 Sq. Ft.	$1,263,992

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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 18817 Kilfinan St

Tax history for 18817 Kilfinan 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 18817 Kilfinan St

More real estate resources