2. 1240 Devon Pl Diamond Bar CA
1240 Devon Pl Diamond Bar CA

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1240 Devon Pl Diamond Bar, CA

1240 Devon Pl Diamond Bar, CA 91765 was built in 1986 and last sold for $460,000. The property has a lot size of 17,383 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 1,918,000, reflecting a 19% change over the past year, with 4 beds, 3 baths, and approximately 3,203 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$460,000
Last sold Feb 23, 2026
4
Beds
3
Baths
3,203
Sqft
Off Market
$1,918,000 estimated value
Built in 1986
$599/sqft
17,383 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
8701-036-027
Parking
3
Subdivision
42570
Heating
Central
Cooling
Central
Fireplaces
1

Property History

Over the last 12 months, the sales price of 1240 Devon Pl Diamond Bar, CA 91765 has increased by 19%, and the tax increased by 6%.

Price History

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Year Price Price/Sq Ft
2026 $ 1,926,000 19 % $ 601
2025 $ 1,610,000 4 % $ 503
2024 $ 1,545,000 -2 % $ 482
2023 $ 1,577,000 -13 % $ 492
2022 $ 1,828,000 20 % $ 571
2021 $ 1,520,000 ---- $ 475

Tax History

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Year Taxes Assesments
2025 $ 9,914 6 % $ 693,127
2024 $ 9,337 2 %
2023 $ 9,117 2 % $ 666,215
2022 $ 8,919 4 % $ 653,153
2021 $ 8,502 ---- $ 640,347
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Owner

Fatma Nassef Fatma Nabih Nassef , Age 77

Lives at 3586 Elker Rd, Corona, CA 92882-6602
Relatives: Fatma Nassef, Lotfy Metwally, Mohamed Nassef, Ahmed Nassef, Eman Lotfy, Habeebah Nassef, Hassan Hassan
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People Living at 1240 Devon Pl Diamond Bar, CA

Fatma Nassef Fatma Nabih Nassef , Age 77

Lives at 3586 Elker Rd, Corona, CA 92882-6602 Corona CA 92882 3586 Elker Rd
Prior addresses: 6379 Victor Gray Ct, Alexandria, VA 22315-3451 Alexandria VA 22315 6379 Victor Gray Ct 1240 Devon PL, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon PL 16714 Friar Loop, Dumfries, VA 22025-3113 Dumfries VA 22025 16714 Friar Loop
Relatives: Fatma Nassef, Lotfy Metwally, Mohamed Nassef, Ahmed Nassef, Eman Lotfy, Habeebah Nassef, Hassan Hassan
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Chun Wong Chun Hun U Wong , Age 30

Lives at 1240 Devon PL, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon PL
Prior addresses: 1240 Devon PL, Pomona, CA 91765-4371 Pomona CA 91765 1240 Devon PL
Relatives: Chor Steve, Chun Ul, Chun Wong, Urs Han, Ute Wong, Yuk Kwok, Yuk Wong, Troy Wong
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Chun Wong Chun Hin Wong , Age 36

Lives at 217 Augusta Course Ave, Las Vegas, NV 89148-2511 Las Vegas NV 89148 217 Augusta Course Ave
Prior addresses: 9885 W Oleta Ave, Las Vegas, NV 89178-6314 Las Vegas NV 89178 9885 W Oleta Ave 143 Park DR, Apt 15, Boston, MA 02215-5159 Boston MA 02215 143 Park DR, Apt 15 3031 Steeplechase Ln, Diamond Bar, CA 91765-3604 Diamond Bar CA 91765 3031 Steeplechase Ln
Relatives: Chor Steve, Chun Wong, Chun Ul, Chun U, Urs Han, Ute Wong, Yuk Kwok, Yuk Wong
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Chor Wong Chor Kie Steve Wong , Age 68

Lives at 1240 Devon Pl, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon Pl
Prior addresses: 3031 Steeplechase Ln, Diamond Bar, CA 91765-3604 Diamond Bar CA 91765 3031 Steeplechase Ln 2125 Rocky View Rd, Diamond Bar, CA 91765-3246 Diamond Bar CA 91765 2125 Rocky View Rd
Relatives: Chun Ul, Chun Wong, Chun U, Troy Wong, Urs Han, Ute Wong, Wei Wang, Yuk Kwok, Yuk Wong
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Chun Wong Chun Hoo Ul Wong , Age 27

Lives at 1240 Devon PL, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon PL
Prior addresses: 3031 Steeplechase Ln, Diamond Bar, CA 91765-3604 Diamond Bar CA 91765 3031 Steeplechase Ln 9885 W Oleta AVE, Las Vegas, NV 89178-6314 Las Vegas NV 89178 9885 W Oleta AVE
Relatives: Chor Steve, Chun Wong, Chun U, Urs Han, Ute Wong, Yuk Kwok, Yuk Wong, Andy Wong
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Wai Poon Wai Y Poon , Age 55

Lives at 2202 Evergreen Springs Dr, # D, Diamond Bar, CA 91765-3123 Diamond Bar CA 91765 2202 Evergreen Springs Dr, # D
Prior addresses: 1240 Devon PL, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon PL 1240 Devon Pl, Pomona, CA 91765-4371 Pomona CA 91765 1240 Devon Pl 38 Summit St, Newington, CT 06111-1711 Newington CT 06111 38 Summit St
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Mary Fedchenko Mary Fedchenko , Age 51

Lives at 1240 Devon PL, Diamond Bar, CA 91765-4371 Diamond Bar CA 91765 1240 Devon PL
Prior addresses: 2051 Forest DR, Lapeer, MI 48446-9426 Lapeer MI 48446 2051 Forest DR
Relatives: Mary Chilner, Alexa Lappe, April Donham, April Perkins, Donald Chilner, Jennifer Donaldson, Madelyn Chilner, Marilyn Mason, Mary Lappe
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Neighbors

1235 Devon Pl
Diamond Bar, CA
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1236 Devon Pl
Diamond Bar, CA
View Property Report
1232 Devon Pl
Diamond Bar, CA
View Property Report
1231 Devon Pl
Diamond Bar, CA
View Property Report

FAQs

Who lives at 1240 Devon Pl, Diamond Bar, CA 91765?
According to our records, the current person living in 1240 Devon Pl is Fatma Nassef.
Is this property currently for sale?
The property is not for sale and last sold for $460,000 on Feb 23, 2026. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $1,918,000, reflecting a 19% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 3,203 sq ft of living space on a 17,383 sq ft lot, built in 1986 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 1235 Devon Pl, 1236 Devon Pl, and 1232 Devon Pl, each with its own property report to help compare size, value, and residents.