18961 Castlebay Ln, Porter Ranch, CA 91326

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Off market jul 2021 for $1.1M

$1,360,520

Est. refi paymentEst. refi $7,098/mo

•

3 ba

•

2,450

sq ft

18961 Castlebay Ln, Porter Ranch, CA 91326

About this home

Stately Porter Ranch Home that has been Meticulously Maintained and Cared for with Love. Enter thru Gorgeous Cut Glass Double Doors into Sheer Elegance. Entry and Hallway with Beautiful Granite Flooring, Elegant Formal Living & Formal Dining Room with Custom Moldings show Light & Bright, Living Room Fireplace with Custom Mantle, Marble Hearth and Beveled Glass Mirror, Formal Dining Room with Beautiful Coiffure Ceiling, Magnificent Chandelier and French Slider to Backyard, Handsome Kitchen with Solid Oak Cabinets, Granite Counters, Builtin Desk and Warming Drawer that opens to Large Breakfast Area with Chair Molding and Custom Fan/Light, Enormous Den with Oak Wainscoting, Gorgeous Coiffure Ceiling that opens to Large Covered Patio (rebuilt in 2019), Refreshing Pool and Spa, Lushly Landscaped Backyard with Nice Grass Area. Other features of the home include double paned window, Newer AC/Heat, fans thru-out, granite counters in Bathrooms, Orange & Meyers Lemon Fruit Trees, Garage with Custom Built-ins and Newer Garage Door Opener and Much, Much More. Home is a Stones throw to Castlebay Lane Charter Elementary School and is also in Granada Charter School District.

Single-familyProperty Type

1966Year Built

7,727 sq ftLot Size

$555Est. Price/Sq.Ft.

2 car garageParking

Listed by Richard Collins •DRE #00649479 • RE/MAX One

Bought with Hermine Temurian •DRE #01814967 • Coldwell Banker Hallmark Realty

Source:CRMLS #SR20141183

Redfin Estimate

$1,360,520

$211K since sold in July 2021$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.9% higher than the average sale price ($1.24M) 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 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 SEP 23, 2026
11833 Preston Trails Ave, Porter Ranch, CA 91326
$1,055,000
D
4 beds3 baths2,620 sq ft
11833 Preston Trails Ave, Porter Ranch, CA 91326
Coldwell Banker Realty
SOLD JUL 24, 2026
$1,286,000
E
4 beds3 baths2,436 sq ft
18778 Algiers St, Porter Ranch, CA 91326
SOLD MAR 18, 2026
$1,280,000
F
4 beds3 baths2,543 sq ft
12115 Braemore Pl, Porter Ranch, CA 91326

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Earn from this home

Sell

$458,736

Est. take-home

List your home with Redfin and save $6,803

Refinance

Est. cash available

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Rent

$5,728/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 18961 Castlebay Ln

Date

Event

Price

Public Records

Jul 28, 2021

Sold

$1,150,000

$469/sq ft

CRMLS #SR20141183

Oct 20, 2020

Sold

$865,000

$353/sq ft

Oct 17, 2020

Pending

—

Aug 13, 2020

Contingent

—

Aug 8, 2020

Price Changed

$879,950

$359/sq ft

Jul 17, 2020

Listed

$899,950

$367/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$14,996 (+1.3%)

$817,236 + $427,560

$1,244,796

2024

$14,810 (+2.0%)

$801,212 + $419,177

$1,220,389

2023

$14,525 (+4.9%)

$785,502 + $410,958

$1,196,460

2022

$13,853 (+30.7%)

$770,100 + $402,900

$1,173,000

2021

$10,596 (+380.8%)

$755,000 + $395,000

$1,150,000

2020

$2,204 (+3.5%)

$631,100 + $233,900

$865,000

2019

$2,130 (+5.3%)

$31,799 + $123,308

$155,107

2018

$2,023 (+2.2%)

$31,176 + $120,891

$152,067

2017

$1,980 (+3.8%)

$29,966 + $116,198

$146,164

2016

$1,907 (+1.3%)

$29,966 + $116,198

$146,164

2015

$1,882 (−0.7%)

$29,379 + $113,920

$143,299

2014

$1,896 (−1.2%)

$28,372 + $110,011

$138,383

2012

$1,919 (+2.4%)

$28,244 + $109,514

$137,758

2011

$1,874 (−0.9%)

$27,691 + $107,367

$135,058

2010

$1,891 (+3.5%)

$27,149 + $105,262

$132,411

2009

$1,826 (+3.9%)

$26,947 + $104,476

$131,423

2008

$1,758

$27,012 + $104,725

$131,737

Tax history for 18961 Castlebay Ln

Year

Property tax

Land + Additions

Assessment*

2025

$14,996 (+1.3%)

$817,236 + $427,560

$1,244,796

2024

$14,810 (+2.0%)

$801,212 + $419,177

$1,220,389

2023

$14,525 (+4.9%)

$785,502 + $410,958

$1,196,460

2022

$13,853 (+30.7%)

$770,100 + $402,900

$1,173,000

2021

$10,596 (+380.8%)

$755,000 + $395,000

$1,150,000

2020

$2,204 (+3.5%)

$631,100 + $233,900

$865,000

2019

$2,130 (+5.3%)

$31,799 + $123,308

$155,107

2018

$2,023 (+2.2%)

$31,176 + $120,891

$152,067

2017

$1,980 (+3.8%)

$29,966 + $116,198

$146,164

2016

$1,907 (+1.3%)

$29,966 + $116,198

$146,164

2015

$1,882 (−0.7%)

$29,379 + $113,920

$143,299

2014

$1,896 (−1.2%)

$28,372 + $110,011

$138,383

2012

$1,919 (+2.4%)

$28,244 + $109,514

$137,758

2011

$1,874 (−0.9%)

$27,691 + $107,367

$135,058

2010

$1,891 (+3.5%)

$27,149 + $105,262

$132,411

2009

$1,826 (+3.9%)

$26,947 + $104,476

$131,423

2008

$1,758

$27,012 + $104,725

$131,737

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

Permits

Nov 18, 2005 • Final

Plumbing

Install an irrigation sub-meter and an earthquake valve.

Grading

Plumbing

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: 2,450
# of Units: 1
Legal Description: TRACT NO 28648 LOT 36

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,727
Legal Lot Number: 36
Municipality Name: LOS ANGELES
Acres: 0.1774
Depth Footage: 100
Front Footage: 76
Zoning Code: LARS
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,450
Stories: —
Lot Size: 7,727 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1966
County: Los Angeles County
APN: 2820007011

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 • 2.0mi

9/10

Valley Academy Of Arts And Sciences

Public 9-12 • Assigned • 3.4mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

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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,...
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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

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

$1.29M – $1.57M

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Home values near 18961 Castlebay Ln

Data from public records.

Address	Redfin Estimate
19033 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 3079 Sq. Ft.	$1,311,891
19011 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2003 Sq. Ft.	$1,184,795

Address	Redfin Estimate
19025 Castlebay Ln, Porter Ranch, OS 3 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,091,018
19001 Castlebay Ln, Porter Ranch, CA 4 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,122,793

Address	Redfin Estimate
19019 Castlebay Ln, Porter Ranch, CA 3 Beds \| 3 Baths \| 1758 Sq. Ft.	$1,020,371
18967 Castlebay Ln, Porter Ranch, CA 3 Beds \| 2.5 Baths \| 1758 Sq. Ft.	$1,135,522

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About this home

Redfin Estimate

Earn from this home

Market trends in Porter Ranch, CA

Sale history for 18961 Castlebay Ln

Tax history for 18961 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 18961 Castlebay Ln

More real estate resources