OFF MARKET
Google street view image for 19235 Castlebay Ln, Porter Ranch, CA 91326
Off market jan 1986 for $195K
$1,159,292
Est. refi paymentEst. refi $1,020/mo
4
bd
•
3 ba
•
2,465
sq ft

19235 Castlebay Ln, Porter Ranch, CA 91326

map-entry

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 $1,159,292.
Single-familyProperty Type
1966Year Built
10,136 sq ftLot Size
$470Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$1,159,292
$964K since sold in January 1986$2,000 since October

This home's estimate is 6.1% lower than the average sale price ($1.23M) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$1,095,405
Est. take-home

List your home with Redfin and save $5,796

Refinance
$0
Est. cash available

Get cash now or lower your monthly rate

Rent
$5,565/mo
Redfin rental estimate

List your home for rent

Market trends in Porter Ranch, CA

Last updated October 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
98

9 MoM

New listings for sale

Provided by Redfin

Sale history for 19235 Castlebay Ln

Tax history for 19235 Castlebay Ln

*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

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

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)
69
51
72
51
76
52
75
52
79
56
86
60
92
63
95
66
89
64
82
56
72
52
72
51
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 – $1.33M

Reach more buyers when you sell with Redfin. Save up to $11,593 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 1PM TO 3PM
$1,498,700
6 beds4 baths3,086 sq ft
18605 Kenya, Porter Ranch, CA 91326
Downstairs kitchen • Spacious backyard • Swimming pool
$3,685,000
5 beds4.5 baths4,932 sq ft
20336 W Windsor Ln, Porter Ranch, CA 91326
Zero edge pool • Outdoor kitchen • Floating staircase
$1,199,899
4 beds3 baths2,826 sq ft
18313 Index St, Porter Ranch, CA 91326
Oversized backyard • Gated access • Newer kitchen
$2,750,000
5 beds5 baths4,407 sq ft
17814 Greyhawk Pl, Granada Hills, CA 91344
Private one-acre lot • Bespoke new kitchen • Sunny breakfast room
OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH
$1,620,000
5 beds3 baths2,355 sq ft
19270 Ludlow St, Los Angeles, CA 91324
Spa-inspired retreat • 7,502 sq ft lot • 3 garage spots
3D WALKTHROUGH
$2,399,995
5 beds5.5 baths4,864 sq ft
20331 W Windsor Ln, Porter Ranch, CA 91326
Gourmet chef kitchen • Spacious loft • 8,196 sq ft lot
Pinnacle Estate Properties

New listings for sale in 91326

COMING SOON
$2,749,000
4 beds5 baths4,730 sq ft
20115 Via Cellini, Porter Ranch, CA 91326
Open concept layout • Ensuite bedroom • 0.29 acre lot
COMING SOON
$1,690,000
5 beds3 baths2,505 sq ft
12216 Beaufait Ave, Porter Ranch, CA 91326
Half acre land • 0.5 acre lot • 2 garage spots
OPEN TODAY, 12PM TO 2PM
$3,295,000
5 beds6 baths5,067 sq ft
20218 W Liverpool Way, Porter Ranch, CA 91326
Guard gated enclave • Upgraded landscaping • Two-story great room
COMING SOON
$1,100,000
3 beds2 baths2,182 sq ft
12033 Dunblane Ave, Porter Ranch, CA 91326
Single story home • Porter ridge park • 8,276 sq ft lot
Berkshire Hathaway HomeService
OPEN TODAY, 12PM TO 3PM
$2,099,000
5 beds4.5 baths3,921 sq ft
20403 Via Medici, Porter Ranch, CA 91326
Double door entry • Gourmet chef kitchen • Landscaped grounds
OPEN TODAY, 1PM TO 4PM
$1,299,000
4 beds3 baths2,829 sq ft
19518 Nashville, Porter Ranch, CA 91326
Turnkey home • Remodeled kitchen • Flat backyard
$995,000
3 beds2 baths1,518 sq ft
10907 Darby, Porter Ranch, CA 91326
Cozy fireplace • Mini orchard • Covered patio
OPEN TODAY, 1PM TO 3PM
$1,498,700
6 beds4 baths3,086 sq ft
18605 Kenya, Porter Ranch, CA 91326
Downstairs kitchen • Spacious backyard • Swimming pool
OPEN TODAY, 1PM TO 4PM
$1,150,000
3 beds2 baths1,429 sq ft
11546 Viking, Porter Ranch, CA 91326
Upgraded kitchen • Redesigned bathrooms • Outdoor dining
Acquire'd

Home values near 19235 Castlebay Ln

Data from public records.

More real estate resources

Porter Ranch homes for sale
North Valley homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.