Google street view image for 19114 Castlebay Ln, Porter Ranch, CA 91326

Off market may 1977 for $78K

$1,033,701

Est. refi paymentEst. refi $533/mo

•

3 ba

•

1,758

sq ft

19114 Castlebay Ln, Porter Ranch, CA 91326

About this home

19114 Castlebay Ln is a 1,758 square foot house on a 7,868 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on May 12, 1977 for $78,500. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,033,701.

Single-familyProperty Type

1966Year Built

7,868 sq ftLot Size

$588Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,033,701

$955K since sold in May 1977$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.2% lower than the average sale price ($1.20M) of 6 comparable homes.

SOLD AUG 19, 2026
$1,231,600
A
3 beds3 baths2,492 sq ft
12251 Derwent Ave, Porter Ranch, CA 91326
SOLD SEP 23, 2026
11833 Preston Trails Ave, Porter Ranch, CA 91326
$1,055,000
B
4 beds3 baths2,620 sq ft
11833 Preston Trails Ave, Porter Ranch, CA 91326
Coldwell Banker Realty
SOLD MAY 11, 2026
$1,300,000
C
4 beds3 baths2,450 sq ft
18931 Kinbrace St, Porter Ranch, CA 91326
SOLD DEC 23, 2025
$1,274,000
D
4 beds3 baths2,450 sq ft
19015 Braemore Rd, Porter Ranch, CA 91326
SOLD MAY 18, 2026
$1,080,000
E
3 beds2 baths1,612 sq ft
18772 Algiers, Porter Ranch, CA 91326
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

$976,615

Est. take-home

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Refinance

Est. cash available

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Rent

$4,596/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

VIDEO TOUR
$1,274,900
5 beds3 baths2,450 sq ft
18854 Muirkirk, Porter Ranch, CA 91326
$1,195,000
4 beds3 baths2,814 sq ft
12026 Falcon Crst, Porter Ranch, CA 91326
$1,420,000
4 beds3 baths2,399 sq ft
20609 W Chestnut Cir, Porter Ranch, CA 91326
VIDEO TOUR
$850,000
2 beds2.5 baths1,399 sq ft
11501 Meleto, Porter Ranch, CA 91326
$1,170,000
5 beds2.5 baths1,944 sq ft
19776 Ahwanee Ln, Porter Ranch, CA 91326
$949,950
2 beds2 baths1,418 sq ft
18658 Brymer St, Porter Ranch, CA 91326
$1,325,000
5 beds3 baths2,618 sq ft
19309 Olympia St, Porter Ranch, CA 91326
COMING SOON
$3,295,000
5 beds6 baths5,067 sq ft
20218 W Liverpool Way, Porter Ranch, CA 91326
VIDEO TOUR
$2,099,000
5 beds5 baths4,116 sq ft
20362 Via Galileo, Porter Ranch, CA 91326
$2,649,000
4 beds4.5 baths5,492 sq ft
20239 Jubilee Way W, Porter Ranch, CA 91326
See all

Provided by Redfin

Sale history for 19114 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$2,481 (+1.6%)

$47,799 + $137,125

$184,924

2024

$2,442 (+1.8%)

$46,862 + $134,437

$181,299

2023

$2,400 (+4.5%)

$45,944 + $131,801

$177,745

2022

$2,297 (+1.6%)

$45,044 + $129,217

$174,261

2021

$2,261 (−0.7%)

$44,161 + $126,684

$170,845

2020

$2,276 (+3.6%)

$43,296 + $124,200

$167,496

2019

$2,197 (+4.8%)

$42,853 + $122,927

$165,780

2018

$2,096 (+2.2%)

$42,013 + $120,517

$162,530

2017

$2,051 (+3.3%)

$40,383 + $115,838

$156,221

2016

$1,986 (+1.4%)

$40,383 + $115,838

$156,221

2015

$1,959 (−0.7%)

$39,592 + $113,567

$153,159

2014

$1,973 (−1.2%)

$38,235 + $109,671

$147,906

2012

$1,997 (+2.7%)

$38,063 + $109,176

$147,239

2011

$1,944 (−0.9%)

$37,317 + $107,036

$144,353

2010

$1,963 (+3.5%)

$36,586 + $104,938

$141,524

2009

$1,896 (+4.0%)

$36,313 + $104,154

$140,467

2008

$1,822

$36,400 + $104,402

$140,802

Tax history for 19114 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$2,481 (+1.6%)

$47,799 + $137,125

$184,924

2024

$2,442 (+1.8%)

$46,862 + $134,437

$181,299

2023

$2,400 (+4.5%)

$45,944 + $131,801

$177,745

2022

$2,297 (+1.6%)

$45,044 + $129,217

$174,261

2021

$2,261 (−0.7%)

$44,161 + $126,684

$170,845

2020

$2,276 (+3.6%)

$43,296 + $124,200

$167,496

2019

$2,197 (+4.8%)

$42,853 + $122,927

$165,780

2018

$2,096 (+2.2%)

$42,013 + $120,517

$162,530

2017

$2,051 (+3.3%)

$40,383 + $115,838

$156,221

2016

$1,986 (+1.4%)

$40,383 + $115,838

$156,221

2015

$1,959 (−0.7%)

$39,592 + $113,567

$153,159

2014

$1,973 (−1.2%)

$38,235 + $109,671

$147,906

2012

$1,997 (+2.7%)

$38,063 + $109,176

$147,239

2011

$1,944 (−0.9%)

$37,317 + $107,036

$144,353

2010

$1,963 (+3.5%)

$36,586 + $104,938

$141,524

2009

$1,896 (+4.0%)

$36,313 + $104,154

$140,467

2008

$1,822

$36,400 + $104,402

$140,802

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

Permits

Nov 13, 2012 • Active

Bldg-alter/repair

Install new stucco above the garage door.

Remodel

Jul 28, 2010 • Final

Bldg-alter/repair

Remove and replace an existing brick fireplace with a wood-framed, stucco, prefabricated fireplace.

Remodel

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: 1,758
# of Units: 1
Legal Description: TRACT NO 28648 LOT 103

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,868
Legal Lot Number: 103
Municipality Name: LOS ANGELES
Acres: 0.1806
Zoning Code: LARS
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,758
Stories: —
Lot Size: 7,868 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1966
County: Los Angeles County
APN: 2820010017

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 • 2.2mi

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

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...
7 days ago • Porter Ranch
Scott Reiber
Redfin Premier agent
349 deals
Was this helpful?
LA real estate remains resilient, with long-term demand, limited desirable inventory, and strong neighborhood-by-neighborhood opportunities. For savvy buyers and sellers, the current market creates opportunities to negotiate strategically and build...
5 days ago • Los Angeles
Phil Robinson
Redfin agent
58 deals
Was this helpful?
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

27% chance of being in a wildfire in next 30 years

5/10 Heat Factor

6 days above 100° expected this year, 15 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

$983,000 – $1.19M

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Pinnacle Estate Properties

New listings for sale in 91326

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18854 Muirkirk, Porter Ranch, CA 91326

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VIDEO TOUR

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2 beds2.5 baths1,399 sq ft

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COMING SOON

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20218 W Liverpool Way, Porter Ranch, CA 91326

VIDEO TOUR

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Home values near 19114 Castlebay Ln

Data from public records.

Address	Redfin Estimate
19111 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,254,579
19043 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,130,647

Address	Redfin Estimate
19105 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,128,602
19143 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2888 Sq. Ft.	$1,152,108

Address	Redfin Estimate
19049 Castlebay Ln, Porter Ranch, CA 5 Beds \| 3 Baths \| 2450 Sq. Ft.	$1,310,792
19135 Castlebay Ln, Porter Ranch, CA 3 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,176,556

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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 19114 Castlebay Ln

Tax history for 19114 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 19114 Castlebay Ln

More real estate resources