18521 CHATSWORTH St, Porter Ranch, OS 91326

Off market jun 2009 for $400K

$938,296

Est. refi paymentEst. refi $1,363/mo

•

2,230

sq ft

18521 CHATSWORTH St, Porter Ranch, OS 91326

About this home

Single-familyProperty Type

1961Year Built

10,214 sq ftLot Size

$421Est. Price/Sq.Ft.

2 car garageParking

Listed by Richard Hartzler •DRE #00907499 • Coldwell Banker

Bought with Petros Amirkhas •DRE #01154578 • Coldwell Banker Realty

Redfin checked: 3 minutes ago

•Source:CRMLS #F1804940

Redfin Estimate

$938,296

$538K since sold in June 2009$17K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.2% lower than the average sale price ($1.19M) of 6 comparable homes.

SOLD SEP 14, 2026
$1,215,000
A
4 beds3 baths2,194 sq ft
18319 San Jose St, Northridge, CA 91326
SOLD AUG 21, 2026
$1,100,000
B
4 beds3 baths2,458 sq ft
10828 Amigo Ave, Porter Ranch, CA 91326
SOLD SEP 1, 2026
$1,060,000
C
4 beds2 baths1,698 sq ft
18438 Los Alimos St, Porter Ranch, CA 91326
SOLD JUN 8, 2026
$1,190,800
D
4 beds2.5 baths1,735 sq ft
10557 Reseda Blvd, Northridge, CA 91326
SOLD DEC 4, 2025
$1,375,000
E
4 beds2.5 baths2,183 sq ft
10805 Chimineas, Porter Ranch, CA 91326
SOLD SEP 25, 2026
$1,200,000
F
4 beds3 baths2,093 sq ft
17735 Fullerfarm, Northridge, CA 91325
RE/MAX One

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

Earn from this home

Sell

$705,376

Est. take-home

List your home with Redfin and save $4,691

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$5,684/mo

Redfin rental estimate

List your home for rent

Market trends in Northridge West, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.0%

0.1% MoM

Median sale price

$1.1M

$62K MoM

Avg. days on market

51d

0 days MoM

Recently sold homes

1 MoM

New listings for sale

COMING SOON
$2,749,000
4 beds5 baths4,730 sq ft
20115 Via Cellini, Porter Ranch, CA 91326
COMING SOON
$1,690,000
5 beds3 baths2,505 sq ft
12216 Beaufait Ave, Porter Ranch, CA 91326
OPEN TODAY, 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 TODAY, 12PM TO 3PM
$2,099,000
5 beds4.5 baths3,921 sq ft
20403 Via Medici, Porter Ranch, CA 91326
OPEN TODAY, 1PM TO 4PM
$1,299,000
4 beds3 baths2,829 sq ft
19518 Nashville, Porter Ranch, CA 91326
$995,000
3 beds2 baths1,518 sq ft
10907 Darby, Porter Ranch, CA 91326
OPEN TODAY, 1PM TO 3PM
$1,498,700
6 beds4 baths3,086 sq ft
18605 Kenya, Porter Ranch, CA 91326
OPEN TODAY, 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 18521 CHATSWORTH St

Date

Event

Price

CRMLS #F1804940

Jun 17, 2009

Sold

$400,000

$179/sq ft

Apr 27, 2009

Listing Removed

—

Apr 14, 2009

Listed

$365,310

$164/sq ft

CRMLS #F1757708

Jan 2, 2009

Listing Removed

—

Dec 27, 2008

Listing Removed

—

Dec 2, 2008

Listing Removed

—

Nov 18, 2008

Listing Removed

—

Nov 4, 2008

Listing Removed

—

Oct 4, 2008

Listing Removed

—

Sep 22, 2008

Listing Removed

—

Sep 9, 2008

Listing Removed

—

Aug 25, 2008

Listing Removed

—

Aug 11, 2008

Listing Removed

—

Jul 24, 2008

Price Changed

$497,000

$223/sq ft

Jun 30, 2008

Price Changed

$549,000

$246/sq ft

May 21, 2008

Price Changed

$499,000

$224/sq ft

May 12, 2008

Price Changed

$525,000

$235/sq ft

Mar 11, 2008

Listed

$650,000

$291/sq ft

CRMLS #F1742630

Mar 9, 2008

Listing Removed

—

Nov 10, 2007

Listed

$679,000

$304/sq ft

Public Records

Apr 15, 1996

Sold

$178,000

$80/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$8,244 (+1.3%)

$410,308 + $249,022

$659,330

2024

$8,135 (+1.9%)

$402,263 + $244,140

$646,403

2023

$7,984 (+4.7%)

$394,376 + $239,353

$633,729

2022

$7,624 (+1.4%)

$386,644 + $234,660

$621,304

2021

$7,522 (−0.9%)

$379,063 + $230,059

$609,122

2020

$7,593 (−1.2%)

$371,631 + $225,549

$597,180

2019

$7,682 (+2.0%)

$367,821 + $223,237

$591,058

2018

$7,534 (+2.2%)

$376,730 + $234,883

$611,613

2017

$7,372 (+2.6%)

$362,102 + $225,763

$587,865

2016

$7,186 (+8.1%)

$362,102 + $225,763

$587,865

2015

$6,645 (+5.0%)

$355,002 + $221,337

$576,339

2014

$6,327 (−1.3%)

$312,836 + $179,172

$492,008

2012

$6,411 (+3.2%)

$311,423 + $178,363

$489,786

2011

$6,210 (+15.2%)

$305,317 + $174,866

$480,183

2010

$5,393 (−26.0%)

$299,331 + $171,438

$470,769

2009

$7,288 (+150.0%)

$297,094 + $101,957

$399,051

2008

$2,915

$285,500 + $285,500

$571,000

Tax history for 18521 CHATSWORTH St

Year

Property tax

Land + Additions

Assessment*

2025

$8,244 (+1.3%)

$410,308 + $249,022

$659,330

2024

$8,135 (+1.9%)

$402,263 + $244,140

$646,403

2023

$7,984 (+4.7%)

$394,376 + $239,353

$633,729

2022

$7,624 (+1.4%)

$386,644 + $234,660

$621,304

2021

$7,522 (−0.9%)

$379,063 + $230,059

$609,122

2020

$7,593 (−1.2%)

$371,631 + $225,549

$597,180

2019

$7,682 (+2.0%)

$367,821 + $223,237

$591,058

2018

$7,534 (+2.2%)

$376,730 + $234,883

$611,613

2017

$7,372 (+2.6%)

$362,102 + $225,763

$587,865

2016

$7,186 (+8.1%)

$362,102 + $225,763

$587,865

2015

$6,645 (+5.0%)

$355,002 + $221,337

$576,339

2014

$6,327 (−1.3%)

$312,836 + $179,172

$492,008

2012

$6,411 (+3.2%)

$311,423 + $178,363

$489,786

2011

$6,210 (+15.2%)

$305,317 + $174,866

$480,183

2010

$5,393 (−26.0%)

$299,331 + $171,438

$470,769

2009

$7,288 (+150.0%)

$297,094 + $101,957

$399,051

2008

$2,915

$285,500 + $285,500

$571,000

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

Public record

Public record
Permits

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

10,254 Sq. Ft.

Year renovated

1970

Sq. Ft.

2,705

Year built

1961

Style

Single Family Residential

County

Los Angeles County

APN

2717018006

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 6, 2026.

Jan 11, 2010 • Final

Bldg-addition

Construct a new room addition to an existing one-story single-family home.

Addition

Jan 5, 2010 • Final

Plumbing

Work on an equipment valve.

Gas

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

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 2

Interior

Kitchen Information
Has Appliances
Formal Dining Room

Bathroom Information
# of Baths (Full): 2
# of Baths (1/2): 1

Cooling Information
Central
Has Cooling

Room Information
Living Room

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Wood

Heating Information
Central Furnace

Interior Features
Levels: One

Exterior

Exterior Information
Roof: Composition, Shingle
Fencing: Blockwall
Has Fence
Construction Materials: Stucco, Wood

Exterior Features
Pool Features: In Ground
Has Pool

Lot Information
Lot Size Source: Assessor's Data
Lot Size Dimensions: 81 x 126
Lot Features: Lot-Level/Flat, Lot Shape-Rectangular, Paved

Property Information
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 2717018006

Utilities

Utilities Information
Sewer Available
Water Source: District/Public

Location

Neighborhood Information
Community Features: Sidewalks

School Information
High School District: Los Angeles Unified

Location Information
Latitude: 34.26453900
Longitude: -118.53717300
Other Subdivision Name: Other
Directions: RESEDA & CHATSWORTH
Subdivision Name: Other (OTHR)

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,705
Stories: —
Lot Size: 10,254 square feet
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1970
County: Los Angeles County
APN: 2717018006

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 14
Continuous Days Active in MLS: 14

Listing Agent Information
List Agent First Name: Richard
List Agent Last Name: Hartzler

Listing Office Information
List Office Name: Coldwell Banker

Selling Agent Information
Buyer Agent First Name: Petros
Buyer Agent Last Name: Amirkhas

Selling Office Information
Buyer Office Name: Coldwell Banker

Around this home

Schools

K - 12
Preschool & daycare

Darby Avenue Charter School

Public K-5 • Assigned • 0.3mi

7/10

Granada Hills Charter High School

Charter K-12 • Assigned • 0.8mi

9/10

Northridge Academy High

Public 9-12 • Assigned • 1.5mi

6/10

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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 100° expected this year, 19 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, OS • 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

$892,000 – $1.08M

Reach more buyers when you sell with Redfin. Save up to $9,383 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 11AM TO 3PM

$944,950

3 beds2 baths1,896 sq ft

9738 Geyser Ave, Northridge, CA 91324

Covered patio • Custom built-in bbq • 9,848 sq ft lot

$1,095,000

5 beds3 baths1,771 sq ft

18543 Chatsworth, Porter Ranch, CA 91326

Rear alley access • Oversized backyard • Expansive lot

$1,180,000

4 beds3 baths2,514 sq ft

18649 Superior, Northridge, CA 91324

Circular driveway • Double-door entry • Hardwood flooring

OPEN SUN, 12PM TO 3PM

$1,325,000

5 beds3 baths2,618 sq ft

19309 Olympia St, Porter Ranch, CA 91326

Bathroom remodeling • Inviting patio • Nearby parks

3D WALKTHROUGH

$2,399,000

4 beds4 baths3,574 sq ft

17646 Stare St, Northridge, CA 91325

Custom built-ins • Chef's kitchen • 0.26 acre lot

Realty Squad Inc.

$1,299,500

4 beds2 baths2,087 sq ft

10400 Canby Ave, Porter Ranch, CA 91326

Circular driveway • Spacious corner lot • Generous living room

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 18521 CHATSWORTH St

Data from public records.

Address	Redfin Estimate
18507 Chatsworth St, Los Angeles, CA 4 Beds \| 3 Baths \| 2742 Sq. Ft.	$1,296,084
18535 Chatsworth St, Porter Ranch, CA 3 Beds \| 2 Baths \| 2264 Sq. Ft.	$1,277,031
18550 Chatsworth St, Porter Ranch, CA 3 Beds \| 2 Baths \| 2015 Sq. Ft.	$992,759
18526 Chatsworth St, Porter Ranch, CA 3 Beds \| 3 Baths \| 2015 Sq. Ft.	$1,045,037
10736 Baird Ave, Porter Ranch, CA 3 Beds \| 3 Baths \| 2060 Sq. Ft.	$1,160,859
10731 Reseda Blvd, Porter Ranch, CA 3 Beds \| 3 Baths \| 1709 Sq. Ft.	$979,943
18600 Los Alimos St, Porter Ranch, CA 4 Beds \| 4 Baths \| 2358 Sq. Ft.	$1,360,023

Address	Redfin Estimate
18515 Chatsworth St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2233 Sq. Ft.	$992,734
18543 Chatsworth, Porter Ranch, CA 5 Beds \| 3 Baths \| 1771 Sq. Ft.	$1,074,130
18542 Chatsworth St, Porter Ranch, CA 3 Beds \| 2 Baths \| 1559 Sq. Ft.	$1,023,802
18518 Chatsworth St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2306 Sq. Ft.	$1,057,908
10731 Baird Ave, Porter Ranch, CA 4 Beds \| 3 Baths \| 2358 Sq. Ft.	$1,124,406
10723 Reseda Blvd, Porter Ranch, CA 3 Beds \| 3 Baths \| 1940 Sq. Ft.	$1,031,774
18556 Los Alimos St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2100 Sq. Ft.	$1,233,371

Address	Redfin Estimate
18527 Chatsworth St, Porter Ranch, CA 4 Beds \| - Baths \| 2653 Sq. Ft.	$1,158,977
18551 Chatsworth St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2230 Sq. Ft.	$1,091,123
18534 Chatsworth St, Porter Ranch, CA 4 Beds \| 3 Baths \| 2406 Sq. Ft.	$1,130,725
18510 Chatsworth St, Porter Ranch, CA 3 Beds \| 2 Baths \| 1559 Sq. Ft.	$930,541
10730 Amigo Ave, Porter Ranch, CA 5 Beds \| 3 Baths \| 1731 Sq. Ft.	$1,033,936
10715 Reseda Blvd, Porter Ranch, CA 3 Beds \| - Baths \| 2042 Sq. Ft.	$1,037,718
18548 Los Alimos St, Porter Ranch, CA 4 Beds \| - Baths \| 2609 Sq. Ft.	$1,297,452

Property information provided by CRMLS when last listed in 2009. This data may not match . Learn more.

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

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

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.

90027 homes for sale
91011 homes for sale
90049 homes for sale
90505 homes for sale
90210 homes for sale

Porter Ranch homes for sale
Northridge West homes for sale
Northridge homes for sale
North Valley homes for sale

Houses for rent in Los Angeles	Agents near me	Irvine, CA homes for sale	Los Angeles Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Los Angeles Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Pasadena homes for sale
Long Beach homes for sale
Glendale homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in Northridge West, CA

Sale history for 18521 CHATSWORTH St

Tax history for 18521 CHATSWORTH St

Public record

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 18521 CHATSWORTH St

More real estate resources