Google street view image for 18300 Sheffield Ln, Porter Ranch, CA 91326

Off Market Oct 1999 for $575K

$1,800,505

Est. refi paymentEst. refi $3,374/mo

•

4 ba

•

3,986

sq ft

18300 Sheffield Ln, Porter Ranch, CA 91326

About this home

18300 Sheffield Ln is a 3,986 square foot house on a 0.31 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on October 20, 1999 for $575,000. Based on Redfin's Porter Ranch data, we estimate the home's value is $1,800,505.

Single-familyProperty Type

1987Year Built

0.31 acresLot Size

$452Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,800,505

$1.2M since sold in October 1999$20K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 27.2% higher than the average sale price ($1.42M) of 6 comparable homes.

SOLD AUG 25, 2026
$1,500,000
A
4 beds3 baths3,208 sq ft
11894 Darby Ave, Porter Ranch, CA 91326
SOLD FEB 27, 2026
$1,715,000
B
4 beds4 baths3,986 sq ft
18409 Hampton Ct, Porter Ranch, CA 91326
SOLD AUG 19, 2026
$1,350,000
C
4 beds3.5 baths3,805 sq ft
18400 Chatham, Porter Ranch, CA 91326
Coldwell Banker Quality Properties
SOLD SEP 3, 2026
$1,440,000
D
4 beds4 baths2,386 sq ft
11407 Edenberg Ave, Porter Ranch, CA 91326
SOLD AUG 5, 2026
$1,199,000
E
4 beds3 baths2,700 sq ft
18233 Charlton, Porter Ranch, CA 91326
Coldwell Banker Quality Properties
SOLD MAR 23, 2026
$1,290,000
F
4 beds3 baths2,643 sq ft
11861 Darby Ave, Porter Ranch, CA 91326

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Earn from this home

Sell

$1,626,896

Est. take-home

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Refinance

Est. cash available

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Rent

$7,843/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

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$1,499,000
4 beds5.5 baths3,234 sq ft
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NEW 24 HRS AGO
$1,225,000
3 beds3 baths2,056 sq ft
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OPEN TODAY, 12PM TO 5PM
$1,299,800
3 beds2 baths2,019 sq ft
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OPEN SUN, 1PM TO 5PM
$1,295,500
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Pinnacle Estate Properties
COMING SOON
$1,799,950
4 beds4 baths3,192 sq ft
19300 Singing Hls, Porter Ranch, CA 91326
OPEN SUN, 2PM TO 5PM
$2,150,000
5 beds6 baths4,029 sq ft
12316 N Finch Ct, Porter Ranch, CA 91326
OPEN TODAY, 11AM TO 3PM
$1,249,950
4 beds3 baths2,224 sq ft
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See all

Provided by Redfin

Sale history for 18300 Sheffield Ln

Year

Property tax

Land + Additions

Assessment*

2025

$11,181 (+1.4%)

$321,367 + $562,371

$883,738

2024

$11,031 (+1.9%)

$321,367 + $562,371

$883,738

2023

$10,824 (+4.7%)

$315,066 + $551,345

$866,411

2022

$10,334 (+1.4%)

$308,889 + $540,535

$849,424

2021

$10,192 (−0.1%)

$302,833 + $529,937

$832,770

2020

$10,206 (+4.0%)

$296,896 + $519,547

$816,443

2019

$9,813 (+1.2%)

$293,852 + $514,220

$808,072

2018

$9,698 (+2.2%)

$288,091 + $504,138

$792,229

2017

$9,490 (+2.7%)

$276,905 + $484,562

$761,467

2016

$9,243 (+1.5%)

$276,905 + $484,562

$761,467

2015

$9,110 (−0.4%)

$271,476 + $475,061

$746,537

2014

$9,144 (+5.3%)

$262,162 + $458,760

$720,922

2012

$8,684 (−3.3%)

$260,978 + $456,687

$717,665

2011

$8,977 (−1.1%)

$236,700 + $421,000

$657,700

2010

$9,075 (+3.7%)

$250,845 + $438,954

$689,799

2009

$8,748 (+4.4%)

$248,971 + $435,674

$684,645

2008

$8,381

$249,563 + $436,710

$686,273

Tax history for 18300 Sheffield Ln

Year

Property tax

Land + Additions

Assessment*

2025

$11,181 (+1.4%)

$321,367 + $562,371

$883,738

2024

$11,031 (+1.9%)

$321,367 + $562,371

$883,738

2023

$10,824 (+4.7%)

$315,066 + $551,345

$866,411

2022

$10,334 (+1.4%)

$308,889 + $540,535

$849,424

2021

$10,192 (−0.1%)

$302,833 + $529,937

$832,770

2020

$10,206 (+4.0%)

$296,896 + $519,547

$816,443

2019

$9,813 (+1.2%)

$293,852 + $514,220

$808,072

2018

$9,698 (+2.2%)

$288,091 + $504,138

$792,229

2017

$9,490 (+2.7%)

$276,905 + $484,562

$761,467

2016

$9,243 (+1.5%)

$276,905 + $484,562

$761,467

2015

$9,110 (−0.4%)

$271,476 + $475,061

$746,537

2014

$9,144 (+5.3%)

$262,162 + $458,760

$720,922

2012

$8,684 (−3.3%)

$260,978 + $456,687

$717,665

2011

$8,977 (−1.1%)

$236,700 + $421,000

$657,700

2010

$9,075 (+3.7%)

$250,845 + $438,954

$689,799

2009

$8,748 (+4.4%)

$248,971 + $435,674

$684,645

2008

$8,381

$249,563 + $436,710

$686,273

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

Permits

Mar 5, 2021 • Final

Electrical

Derate the main electrical service panel from its current amperage to a lower amperage.

Electrical

Mar 3, 2021 • Final

Electrical

Install a roof top solar photovoltaic system on a residential building. The system includes solar modules, optimizers, and central inverters connected to an existing electrical service panel.

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

Property Information
Subdivision Name: 28645
Living Sq. Ft: 3,986
# of Units: 1
Legal Description: TR=28645 LOT 226

Lot Information
# of Buildings: 1
Land Sq. Ft: 13,525
Legal Lot Number: 226
Municipality Name: LOS ANGELES
Acres: 0.3105
Depth Footage: 130
Front Footage: 70
Zoning Code: LARE11
County Use Description: SINGLE FAMILY RESID

Location Information
Parcel Location Influence: Corner

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,986
Stories: —
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1987
County: Los Angeles County
APN: 2870017028

Home facts updated by county records on Aug 30, 2026

Around this home

Schools

Castlebay Lane Charter School

Charter K-5 • Assigned • 1.1mi

10/10

Robert Frost Middle School

Public 6-8 • Assigned • 1.4mi

9/10

Valley Academy Of Arts And Sciences

Public 9-12 • Assigned • 2.3mi

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,...
5 days ago • Los Angeles
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83 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...
2 months ago • Los Angeles
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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

24% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 100° expected this year, 12 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

$1.71M – $2.07M

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Home values near 18300 Sheffield Ln

Data from public records.

Address	Redfin Estimate
18314 Sheffield Lane, Porter Ranch, CA 5 Beds \| 5 Baths \| 4300 Sq. Ft.	$1,772,863
18400 Sheffield Lane, Porter Ranch, CA 4 Beds \| 3 Baths \| 3273 Sq. Ft.	$1,556,816

Address	Redfin Estimate
18320 Sheffield Lane, Porter Ranch, CA 4 Beds \| 4 Baths \| 3986 Sq. Ft.	$1,707,236
18402 Sheffield Lane, Porter Ranch, CA 5 Beds \| 5 Baths \| 4300 Sq. Ft.	$1,828,939

Address	Redfin Estimate
18326 Sheffield Lane, Porter Ranch, CA 5 Beds \| 5 Baths \| 4300 Sq. Ft.	$1,744,674
11654 Sheffield Way, Porter Ranch, CA 5 Beds \| 5 Baths \| 4300 Sq. Ft.	$1,825,037

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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 18300 Sheffield Ln

Tax history for 18300 Sheffield 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 18300 Sheffield Ln

More real estate resources