Google street view image for 19235 Castlebay Ln, Porter Ranch, CA 91326

Off Market Jan 1986 for $195K

$1,161,735

Est. refi paymentEst. refi $1,020/mo

•

3 ba

•

2,465

sq ft

19235 Castlebay Ln, Porter Ranch, CA 91326

About this home

19235 Castlebay Ln is a 2,465 square foot house on a 10,136 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on January 31, 1986 for $195,000. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,161,735.

Single-familyProperty Type

1966Year Built

10,136 sq ftLot Size

$471Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,161,735

$967K since sold in January 1986$8,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.2% lower than the average sale price ($1.34M) of 6 comparable homes.

SOLD MAY 11, 2026
$1,300,000
A
4 beds3 baths2,450 sq ft
18931 Kinbrace St, Porter Ranch, CA 91326
SOLD MAR 18, 2026
$1,280,000
B
4 beds3 baths2,543 sq ft
12115 Braemore Pl, Porter Ranch, CA 91326
SOLD JUL 2, 2026
$1,389,000
C
4 beds3 baths2,618 sq ft
19238 Castlebay Ln, Porter Ranch, CA 91326
Equity Union
SOLD AUG 19, 2026
$1,231,600
D
3 beds3 baths2,492 sq ft
12251 Derwent Ave, Porter Ranch, CA 91326
SOLD JUN 22, 2026
$1,260,000
E
4 beds3 baths2,301 sq ft
11743 Pala Mesa, Porter Ranch, CA 91326
Brandolino Group
SOLD JUL 13, 2026
$1,570,000
F
4 beds3 baths2,115 sq ft
11523 Yolanda Ave, Porter Ranch, CA 91326

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Earn from this home

Sell

$1,097,716

Est. take-home

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Refinance

Est. cash available

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Rent

$5,549/mo

Redfin rental estimate

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Market trends in Porter Ranch, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.2%

+0.4% MoM

Median sale price

$1.3M

$69K MoM

Avg. days on market

43d

2 days MoM

Recently sold homes

9 MoM

New listings for sale

NEW 21 HRS AGO
$1,299,000
4 beds3 baths2,869 sq ft
19377 Germain St, Porter Ranch, CA 91326
$1,699,000
4 beds4 baths3,711 sq ft
20356 Via Cellini, Northridge, CA 91326
COMING SOON
$1,299,800
3 beds2 baths2,019 sq ft
11339 Modena Ln, Northridge, CA 91326
HOT HOME
$1,199,000
4 beds3 baths3,191 sq ft
11719 Eddleston Dr, Porter Ranch, CA 91326
$824,950
2 beds2.5 baths1,253 sq ft
20304 Pienza Ln, Northridge, CA 91326
3D WALKTHROUGH
$1,379,000
4 beds3 baths2,378 sq ft
19041 Muirkirk Dr, Porter Ranch, CA 91326
$715,000
2 beds2 baths1,298 sq ft
20312 Paseo Meriana, Northridge, CA 91326
Equity Union
$745,000
4 beds3 baths1,598 sq ft
11257 Key West Ave #3, Porter Ranch, CA 91326
$1,450,000
5 beds3 baths2,849 sq ft
10640 Sylvia Ave, Porter Ranch, CA 91326
$595,000
3 beds2.5 baths1,250 sq ft
11311 Tampa Ave #31, Porter Ranch, CA 91326
KO TAI REALTY
See all

Provided by Redfin

Sale history for 19235 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$5,033 (+1.8%)

$139,375 + $248,909

$388,284

2024

$4,946 (+1.9%)

$139,375 + $248,909

$388,284

2023

$4,855 (+4.7%)

$136,643 + $244,029

$380,672

2022

$4,639 (+1.5%)

$133,964 + $239,245

$373,209

2021

$4,571 (−0.9%)

$131,338 + $234,554

$365,892

2020

$4,610 (+3.9%)

$128,763 + $229,955

$358,718

2019

$4,438 (+2.3%)

$127,443 + $227,598

$355,041

2018

$4,340 (+2.2%)

$124,945 + $223,136

$348,081

2017

$4,246 (+2.9%)

$120,095 + $214,472

$334,567

2016

$4,127 (+1.4%)

$120,095 + $214,472

$334,567

2015

$4,069 (−0.5%)

$117,741 + $210,267

$328,008

2014

$4,089 (−1.3%)

$113,702 + $203,053

$316,755

2012

$4,141 (+3.0%)

$113,189 + $202,136

$315,325

2011

$4,020 (−1.0%)

$110,970 + $198,173

$309,143

2010

$4,062 (+3.7%)

$108,795 + $194,288

$303,083

2009

$3,918 (+4.3%)

$107,982 + $192,836

$300,818

2008

$3,758

$108,239 + $193,295

$301,534

Tax history for 19235 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$5,033 (+1.8%)

$139,375 + $248,909

$388,284

2024

$4,946 (+1.9%)

$139,375 + $248,909

$388,284

2023

$4,855 (+4.7%)

$136,643 + $244,029

$380,672

2022

$4,639 (+1.5%)

$133,964 + $239,245

$373,209

2021

$4,571 (−0.9%)

$131,338 + $234,554

$365,892

2020

$4,610 (+3.9%)

$128,763 + $229,955

$358,718

2019

$4,438 (+2.3%)

$127,443 + $227,598

$355,041

2018

$4,340 (+2.2%)

$124,945 + $223,136

$348,081

2017

$4,246 (+2.9%)

$120,095 + $214,472

$334,567

2016

$4,127 (+1.4%)

$120,095 + $214,472

$334,567

2015

$4,069 (−0.5%)

$117,741 + $210,267

$328,008

2014

$4,089 (−1.3%)

$113,702 + $203,053

$316,755

2012

$4,141 (+3.0%)

$113,189 + $202,136

$315,325

2011

$4,020 (−1.0%)

$110,970 + $198,173

$309,143

2010

$4,062 (+3.7%)

$108,795 + $194,288

$303,083

2009

$3,918 (+4.3%)

$107,982 + $192,836

$300,818

2008

$3,758

$108,239 + $193,295

$301,534

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

Permits

Aug 7, 2013 • Final

Hvac

Replace a 4 ton upflow split system.

HVAC

Sep 17, 2004 • Final

Plumbing

Install a sub meter.

Electrical

Electric meter

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

Property Information
Subdivision Name: 28648
Living Sq. Ft: 2,465
# of Units: 1
Legal Description: TRACT NO 28648 LOT 6

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,136
Legal Lot Number: 6
Municipality Name: LOS ANGELES
Acres: 0.2327
Depth Footage: 132
Front Footage: 77
Zoning Code: LARS
County Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,465
Stories: —
Lot Size: 10,136 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1966
County: Los Angeles County
APN: 2820008006

Home facts updated by county records on Aug 28, 2026

Around this home

Schools

Castlebay Lane Charter School

Charter K-5 • Assigned • 0.3mi

10/10

Robert Frost Middle School

Public 6-8 • Assigned • 2.4mi

9/10

Valley Academy Of Arts And Sciences

Public 9-12 • Assigned • 3.7mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Porter Ranch is best known for its upscale homes and scenic views, offering a luxurious suburban lifestyle. The area features well-planned communities, abundant parks, and access to hiking trails, making it ideal for those who enjoy outdoor...
1 month ago • Porter Ranch
Scott Reiber
Redfin Premier agent
347 deals
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LA's real estate market stays a top-tier profit machine through the mid point of26! Strong demand, tight inventory, and the city's allure drive steady 3-7% appreciation. High equity and robust rents make it ideal for long-term investors seeking...
1 month ago • Los Angeles
Thomas Chorley
Redfin Premier agent
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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

26% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 100° expected this year, 13 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

5/10 Air Factor

7 unhealthy days expected this year, 9 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

$1.10M – $1.34M

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Nearby similar homes

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New listings for sale in 91326

NEW 21 HRS AGO

$1,299,000

4 beds3 baths2,869 sq ft

19377 Germain St, Porter Ranch, CA 91326

$1,699,000

4 beds4 baths3,711 sq ft

20356 Via Cellini, Northridge, CA 91326

COMING SOON

$1,299,800

3 beds2 baths2,019 sq ft

11339 Modena Ln, Northridge, CA 91326

HOT HOME

$1,199,000

4 beds3 baths3,191 sq ft

11719 Eddleston Dr, Porter Ranch, CA 91326

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20304 Pienza Ln, Northridge, CA 91326

3D WALKTHROUGH

$1,379,000

4 beds3 baths2,378 sq ft

19041 Muirkirk Dr, Porter Ranch, CA 91326

$715,000

2 beds2 baths1,298 sq ft

20312 Paseo Meriana, Northridge, CA 91326

Equity Union

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5 beds3 baths2,849 sq ft

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Home values near 19235 Castlebay Ln

Data from public records.

Address	Redfin Estimate
19271 Castlebay Ln, Porter Ranch, CA 4 Beds \| 4 Baths \| 2612 Sq. Ft.	$1,237,309
19251 Castlebay Ln, Porter Ranch, CA 3 Beds \| - Baths \| 2492 Sq. Ft.	$1,227,280

Address	Redfin Estimate
19265 Castlebay Ln, Porter Ranch, CA 3 Beds \| 3 Baths \| 2003 Sq. Ft.	$1,079,287
19243 Castlebay Ln, Porter Ranch, CA 5 Beds \| 3 Baths \| 2310 Sq. Ft.	$1,212,452

Address	Redfin Estimate
19257 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2450 Sq. Ft.	$1,210,991
19227 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,318,993

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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 19235 Castlebay Ln

Tax history for 19235 Castlebay Ln

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 19235 Castlebay Ln

More real estate resources