Google street view image for 19033 Castlebay Ln, Porter Ranch, CA 91326

Off market oct 1998 for $159K

$1,308,610

Est. refi paymentEst. refi $1,093/mo

•

3 ba

•

3,079

sq ft

19033 Castlebay Ln, Porter Ranch, CA 91326

About this home

19033 Castlebay Ln is a 3,079 square foot house on a 7,938 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on October 30, 1998 for $159,500. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,308,610.

Single-familyProperty Type

1966Year Built

7,938 sq ftLot Size

$425Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,308,610

$1.1M since sold in October 1998$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.5% higher than the average sale price ($1.26M) of 6 comparable homes.

SOLD SEP 23, 2026
11833 Preston Trails Ave, Porter Ranch, CA 91326
$1,055,000
A
4 beds3 baths2,620 sq ft
11833 Preston Trails Ave, Porter Ranch, CA 91326
Coldwell Banker Realty
SOLD MAY 11, 2026
$1,300,000
B
4 beds3 baths2,450 sq ft
18931 Kinbrace St, Porter Ranch, CA 91326
SOLD DEC 23, 2025
$1,274,000
C
4 beds3 baths2,450 sq ft
19015 Braemore Rd, Porter Ranch, CA 91326
SOLD MAR 18, 2026
$1,280,000
D
4 beds3 baths2,543 sq ft
12115 Braemore Pl, Porter Ranch, CA 91326
SOLD JUL 2, 2026
$1,389,000
E
4 beds3 baths2,618 sq ft
19238 Castlebay Ln, Porter Ranch, CA 91326
Equity Union
SOLD JUL 24, 2026
$1,286,000
F
4 beds3 baths2,436 sq ft
18778 Algiers St, Porter Ranch, CA 91326

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Earn from this home

Sell

$1,222,637

Est. take-home

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Est. cash available

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Rent

$6,094/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 19033 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$7,507 (+1.4%)

$287,181 + $314,839

$602,020

2024

$7,404 (+1.9%)

$281,550 + $308,683

$590,233

2023

$7,266 (+4.7%)

$276,030 + $302,631

$578,661

2022

$6,939 (+1.4%)

$270,618 + $296,698

$567,316

2021

$6,841 (−0.9%)

$265,312 + $290,881

$556,193

2020

$6,903 (+3.9%)

$260,110 + $285,178

$545,288

2019

$6,641 (+2.7%)

$257,443 + $282,254

$539,697

2018

$6,466 (+2.2%)

$252,396 + $276,720

$529,116

2017

$6,326 (+2.8%)

$242,597 + $265,976

$508,573

2016

$6,154 (+1.5%)

$242,597 + $265,976

$508,573

2015

$6,066 (−0.4%)

$237,841 + $260,761

$498,602

2014

$6,090 (−1.3%)

$229,680 + $251,814

$481,494

2012

$6,169 (+10.2%)

$228,642 + $250,676

$479,318

2011

$5,596 (+9.1%)

$224,159 + $245,761

$469,920

2010

$5,128 (+3.7%)

$219,764 + $212,573

$432,337

2009

$4,944 (+4.4%)

$218,122 + $169,299

$387,421

2008

$4,737

$218,641 + $169,702

$388,343

Tax history for 19033 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$7,507 (+1.4%)

$287,181 + $314,839

$602,020

2024

$7,404 (+1.9%)

$281,550 + $308,683

$590,233

2023

$7,266 (+4.7%)

$276,030 + $302,631

$578,661

2022

$6,939 (+1.4%)

$270,618 + $296,698

$567,316

2021

$6,841 (−0.9%)

$265,312 + $290,881

$556,193

2020

$6,903 (+3.9%)

$260,110 + $285,178

$545,288

2019

$6,641 (+2.7%)

$257,443 + $282,254

$539,697

2018

$6,466 (+2.2%)

$252,396 + $276,720

$529,116

2017

$6,326 (+2.8%)

$242,597 + $265,976

$508,573

2016

$6,154 (+1.5%)

$242,597 + $265,976

$508,573

2015

$6,066 (−0.4%)

$237,841 + $260,761

$498,602

2014

$6,090 (−1.3%)

$229,680 + $251,814

$481,494

2012

$6,169 (+10.2%)

$228,642 + $250,676

$479,318

2011

$5,596 (+9.1%)

$224,159 + $245,761

$469,920

2010

$5,128 (+3.7%)

$219,764 + $212,573

$432,337

2009

$4,944 (+4.4%)

$218,122 + $169,299

$387,421

2008

$4,737

$218,641 + $169,702

$388,343

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

Permits

Aug 30, 2025 • Final

Bldg-addition

Construct a second floor addition by removing an existing closet to expand and remodel a bathroom. Add a new closet and a deck on the second floor. Install a new patio on the first floor below the additions.

Addition

May 12, 2025 • Final

Electrical

Install a new roof-mounted photovoltaic solar system to an existing system. The installation includes modules, microinverters, an alternating current combiner, and a fused alternating current disconnect.

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

View Information
View: Good

Property Information
Subdivision Name: 28648
Living Sq. Ft: 3,079
# of Units: 1
Legal Description: TRACT NO 28648 LOT 30

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,938
Legal Lot Number: 30
Municipality Name: LOS ANGELES
Acres: 0.1822
Depth Footage: 122
Front Footage: 68
Zoning Code: LARS
County Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,079
Stories: —
Lot Size: 7,938 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1975
County: Los Angeles County
APN: 2820007005

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

Castlebay Lane Charter School

Charter K-5 • Assigned • 0.1mi

10/10

Robert Frost Middle School

Public 6-8 • Assigned • 2.1mi

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,...
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

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

5/10 Heat Factor

6 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

$1.24M – $1.51M

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New listings for sale in 91326

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NEW 13 HRS AGO

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OPEN TODAY, 12PM TO 4PMVIDEO TOUR

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VIDEO TOUR

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OPEN SUN, 2PM TO 5PM

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COMING SOON

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Home values near 19033 Castlebay Ln

Data from public records.

Address	Redfin Estimate
19111 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,257,887
19043 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,130,876

Address	Redfin Estimate
19105 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,130,789
19025 Castlebay Ln, Porter Ranch, OS 3 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,084,919

Address	Redfin Estimate
19049 Castlebay Ln, Porter Ranch, CA 5 Beds \| 3 Baths \| 2450 Sq. Ft.	$1,310,764
19019 Castlebay Ln, Porter Ranch, CA 3 Beds \| 3 Baths \| 1758 Sq. Ft.	$1,026,216

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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 19033 Castlebay Ln

Tax history for 19033 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 19033 Castlebay Ln

More real estate resources