Google satellite image for 20810 Sienna Ln, Porter Ranch, CA 91326

Off market

$2,228,588

•

6 ba

•

4,073

sq ft

20810 Sienna Ln, Porter Ranch, CA 91326

About this home

20810 Sienna Ln is a 4,073 square foot house on a 9,846 square foot lot with 5 bedrooms and 6 bathrooms. Based on Redfin's Porter Ranch data, we estimate the home's value is $2,228,588.

Single-familyProperty Type

2015Year Built

9,846 sq ftLot Size

$547Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,228,588

$9,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15.5% higher than the average sale price ($1.93M) of 5 comparable homes.

SOLD JUL 20, 2026
$1,840,000
A
6 beds6 baths3,981 sq ft
21120 W Citylights Dr, Chatsworth, CA 91311
SOLD JUN 15, 2026
$1,535,450
B
5 beds5.5 baths4,000 sq ft
21132 W Citylights Dr, Chatsworth, CA 91311
Agents of LA Inc.
SOLD OCT 6, 2026
$2,200,000
C
5 beds5.5 baths3,954 sq ft
11811 Canoga Ave, Chatsworth, CA 91311
SOLD AUG 28, 2026
$2,330,000
D
5 beds5.5 baths4,508 sq ft
11817 Canoga Ave, Chatsworth, CA 91311
SOLD SEP 18, 2026
$1,745,879
E
5 beds5.5 baths4,301 sq ft
11814 Canoga Ave, Chatsworth, CA 91311

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Earn from this home

Sell

$2,106,798

Est. take-home

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Rent

$8,385/mo

Redfin rental estimate

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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

9 MoM

New listings for sale

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OPEN SAT, 12PM TO 2PM
$3,295,000
5 beds6 baths5,067 sq ft
20218 W Liverpool Way, Porter Ranch, CA 91326
COMING SOON
$1,100,000
3 beds2 baths2,182 sq ft
12033 Dunblane Ave, Porter Ranch, CA 91326
Berkshire Hathaway HomeService
OPEN SAT, 12PM TO 3PM
$2,099,000
5 beds4.5 baths3,921 sq ft
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OPEN SAT, 1PM TO 4PM
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OPEN SAT, 1PM TO 3PM
$1,498,700
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18605 Kenya, Porter Ranch, CA 91326
OPEN SAT, 1PM TO 4PM
$1,150,000
3 beds2 baths1,429 sq ft
11546 Viking, Porter Ranch, CA 91326
Acquire'd
See all

Provided by Redfin

Sale history for 20810 Sienna Ln

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$19,869 (+1.1%)

$639,957 + $1,009,622

$1,649,579

2024

$19,646 (+2.0%)

$627,409 + $989,826

$1,617,235

2023

$19,268 (+4.9%)

$615,107 + $970,418

$1,585,525

2022

$18,376 (+1.3%)

$603,047 + $951,391

$1,554,438

2021

$18,141 (−1.0%)

$591,223 + $932,737

$1,523,960

2020

$18,323 (+4.1%)

$579,631 + $914,449

$1,494,080

2019

$17,600 (+1.1%)

$573,688 + $905,073

$1,478,761

2018

$17,410 (+5.4%)

$562,440 + $887,327

$1,449,767

2017

$16,525 (+2.5%)

$540,600 + $810,543

$1,351,143

2016

$16,117 (+2,793.5%)

$540,600 + $810,543

$1,351,143

2015

$557 (−1.6%)

$530,000 + $794,650

$1,324,650

2014

$566 (−1.2%)

$34,467

2012

$573 (+22.9%)

$34,312

2011

$466 (+170.6%)

$33,640

2010

$172 (+0.4%)

$25,334

2009

$172

$1,701

2008

$1,706

Tax history for 20810 Sienna Ln

Year

Property tax

Land + Additions

Assessment*

2025

$19,869 (+1.1%)

$639,957 + $1,009,622

$1,649,579

2024

$19,646 (+2.0%)

$627,409 + $989,826

$1,617,235

2023

$19,268 (+4.9%)

$615,107 + $970,418

$1,585,525

2022

$18,376 (+1.3%)

$603,047 + $951,391

$1,554,438

2021

$18,141 (−1.0%)

$591,223 + $932,737

$1,523,960

2020

$18,323 (+4.1%)

$579,631 + $914,449

$1,494,080

2019

$17,600 (+1.1%)

$573,688 + $905,073

$1,478,761

2018

$17,410 (+5.4%)

$562,440 + $887,327

$1,449,767

2017

$16,525 (+2.5%)

$540,600 + $810,543

$1,351,143

2016

$16,117 (+2,793.5%)

$540,600 + $810,543

$1,351,143

2015

$557 (−1.6%)

$530,000 + $794,650

$1,324,650

2014

$566 (−1.2%)

$34,467

2012

$573 (+22.9%)

$34,312

2011

$466 (+170.6%)

$33,640

2010

$172 (+0.4%)

$25,334

2009

$172

$1,701

2008

$1,706

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

Permits

Dec 19, 2016 • Final

Swimming-pool/spa

Install a new swimming pool and spa.

Pool and hot tub

Jul 28, 2016 • Final

Grading

Pool and hot tub

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: 50510
Living Sq. Ft: 4,073
# of Units: 1
Legal Description: TR=50510 LOT 76

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,846
Legal Lot Number: 76
Municipality Name: LOS ANGELES
Acres: 0.226
Zoning Code: LARE
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 6.0
Sq. Ft.: 4,073
Stories: —
Lot Size: 9,846 square feet
Style: Single Family Residential
Year Built: 2015
Year Renovated: 2015
County: Los Angeles County
APN: 2701078008

Home facts updated by county records on Oct 6, 2026

Around this home

Schools

K - 12
Preschool & daycare

Porter Ranch Community School

Public K-8 • Assigned • 0.5mi

10/10

Chatsworth Charter High School

Charter 9-12 • Assigned • 2.4mi

5/10

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...
3 weeks ago • Porter Ranch
Scott Reiber
Redfin Premier agent
349 deals
Was this helpful?
The Los Angeles market is becoming more balanced, with buyers gaining a little more negotiating room as homes take longer to sell and price reductions become more common. Well-priced homes in desirable neighborhoods can still attract strong interest....
1 week ago • Los Angeles
Sang Ur
Redfin Premier agent
124 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...
2 weeks ago • Los Angeles
Phil Robinson
Redfin agent
59 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,...
2 months ago • Los Angeles
Peter Santos
Redfin Premier agent
87 deals
Was this helpful?

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

8/10 Fire Factor

45% 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

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)

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

$2.12M – $2.56M

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Home values near 20810 Sienna Ln

Data from public records.

Address	Redfin Estimate
20805 Sienna Ln, Porter Ranch, CA 5 Beds \| 6 Baths \| 4133 Sq. Ft.	$2,210,357
20811 Sienna Ln, Porter Ranch, CA 5 Beds \| 6 Baths \| 3877 Sq. Ft.	$2,102,753
11819 Ricasoli Way, Porter Ranch, CA 4 Beds \| 4 Baths \| 3134 Sq. Ft.	$1,518,011
11825 Ricasoli Way, Porter Ranch, CA 4 Beds \| 3 Baths \| 2869 Sq. Ft.	$1,406,135
11837 Ricasoli Way, Porter Ranch, CA 5 Beds \| 5 Baths \| 3381 Sq. Ft.	$1,700,435
11803 Cetona Way, Porter Ranch, CA 5 Beds \| 6 Baths \| 3975 Sq. Ft.	$1,910,613
11771 Ricasoli Way, Porter Ranch, CA 4 Beds \| 4 Baths \| 3134 Sq. Ft.	$1,521,560

Address	Redfin Estimate
20801 Sienna Ln, Porter Ranch, CA 5 Beds \| 6 Baths \| 3961 Sq. Ft.	$2,292,991
20806 Sienna Ln, Porter Ranch, CA 5 Beds \| 6 Baths \| 3982 Sq. Ft.	$2,078,737
11813 Ricasoli Way, Porter Ranch, CA 5 Beds \| 4.5 Baths \| 3386 Sq. Ft.	$1,684,779
11807 Ricasoli Way, Porter Ranch, CA 3 Beds \| 3 Baths \| 2251 Sq. Ft.	$1,307,635
11809 Cetona Way, Porter Ranch, CA 5 Beds \| 6 Baths \| 3972 Sq. Ft.	$2,006,449
11769 Cetona Way, Porter Ranch, CA 4 Beds \| 3 Baths \| 2917 Sq. Ft.	$1,590,612
11751 Cetona Way, Porter Ranch, CA 4 Beds \| 3 Baths \| 2917 Sq. Ft.	$1,499,458

Address	Redfin Estimate
20814 Sienna Ln, Porter Ranch, CA 5 Beds \| 6 Baths \| 3994 Sq. Ft.	$2,156,840
20800 Sienna Ln, Porter Ranch, CA 4 Beds \| 6 Baths \| 4214 Sq. Ft.	$2,035,032
11831 Ricasoli Way, Porter Ranch, CA 5 Beds \| 3 Baths \| 2917 Sq. Ft.	$1,444,057
11801 Ricasoli Way, Porter Ranch, CA 5 Beds \| 5 Baths \| 3381 Sq. Ft.	$1,614,469
11777 Cetona Way, Porter Ranch, CA 4 Beds \| 3.5 Baths \| 3134 Sq. Ft.	$1,602,624
11773 Cetona Way, Porter Ranch, CA 5 Beds \| 4.5 Baths \| 3381 Sq. Ft.	$2,026,746
11757 Cetona Way, Porter Ranch, CA 4 Beds \| 4 Baths \| 3134 Sq. Ft.	$1,702,354

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About this home

Redfin Estimate

Earn from this home

Market trends in Porter Ranch, CA

Sale history for 20810 Sienna Ln

Tax history for 20810 Sienna 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 20810 Sienna Ln

More real estate resources