2. 3424 Keystone Loop Byron CA
3424 Keystone Loop Byron CA

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3424 Keystone Loop Byron, CA

3424 Keystone Loop Byron, CA 94505 was built in 2003 and last sold for $539,000. The property has a lot size of 6,500 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 812,000, reflecting a -16% change over the past year, with 4 beds, 4 baths, and approximately 3,517 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

$539,000
Last sold Nov 28, 2005
4
Beds
4
Baths
3,517
Sqft
Off Market
$812,000 estimated value
Built in 2003
$231/sqft
6,500 lot sqft
$265 HOA fees

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
011-421-041
Parking
2
Subdivision
Subdivision 8430
Cooling
Central
Stories
2

Property History

Over the last 12 months, the sales price of 3424 Keystone Loop Byron, CA 94505 has decreased by -16%.

Price History

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Year Price Price/Sq Ft
2026 $ 795,000 -16 % $ 226
2025 $ 951,000 1 % $ 270
2024 $ 941,000 11 % $ 268
2023 $ 842,000 -4 % $ 239
2022 $ 880,000 19 % $ 250
2021 $ 738,000 ---- $ 210

Tax History

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Year Taxes Assesments
2026 ---- $ 781,367
2025 $ 10,506 4 %
2024 $ 10,021 1 % $ 751,028
2023 $ 9,866 1 % $ 736,303
2022 $ 9,704 ---- $ 721,866
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Owner

Marques Sioson Marques M Sioson , Age 40

Lives at 3424 Keystone Loop, Discovery Bay, CA 94505-2324
Relatives: Dennis Sioson, Ernesto Sioson, Maria Sioson, Quinciano Sioson, Cristina Magpayo, Iskandar Atmodjo, Joel Magpayo
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People Living at 3424 Keystone Loop Discovery Bay, CA

Marques Sioson Marques M Sioson , Age 40

Lives at 3424 Keystone Loop, Discovery Bay, CA 94505-2324 Discovery Bay CA 94505 3424 Keystone Loop
Prior addresses: 189 W Buchanan Rd, Apt 268, Pittsburg, CA 94565-7429 Pittsburg CA 94565 189 W Buchanan Rd, Apt 268 120 Chatsworth Ct, Brentwood, CA 94513-2989 Brentwood CA 94513 120 Chatsworth Ct 3424 Keystone Loop, Byron, CA 94505-2324 Byron CA 94505 3424 Keystone Loop
Relatives: Dennis Sioson, Ernesto Sioson, Maria Sioson, Quinciano Sioson, Cristina Magpayo, Iskandar Atmodjo, Joel Magpayo
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Dennis Sioson Dennis Jonathan Sioson , Age 38

Lives at 3424 Keystone Loop, Discovery Bay, CA 94505-2324 Discovery Bay CA 94505 3424 Keystone Loop
Prior addresses: 3345 Bixler Rd, Unit 1951, Discovery Bay, CA 94505-9991 Discovery Bay CA 94505 3345 Bixler Rd, Unit 1951 3424 Keystone Loop, Byron, CA 94505-2324 Byron CA 94505 3424 Keystone Loop
Relatives: Ernesto Sioson, Maria Sioson, Marques Sioson, Quinciano Sioson, Cristina Magpayo, Iskandar Atmodjo, Joel Magpayo
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Ernesto Sioson Ernesto Balmonte Sioson , Age 61

Lives at 5627 Howell Mountain Ln, Antioch, CA 94531-6212 Antioch CA 94531 5627 Howell Mountain Ln
Prior addresses: 3345 Bixler Rd, Unit 1951, Discovery Bay, CA 94505-5062 Discovery Bay CA 94505 3345 Bixler Rd, Unit 1951 2308 St Augustine DR, Brentwood, CA 94513-7043 Brentwood CA 94513 2308 St Augustine DR 1161 Chopin Ter, Unit 106, Fremont, CA 94538-5606 Fremont CA 94538 1161 Chopin Ter, Unit 106
Relatives: Dennis Sioson, Maria Sioson, Marques Sioson, Quinciano Sioson, Cristina Magpayo, Iskandar Atmodjo
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Neighbors

3432 Keystone Loop
Discovery Bay, CA
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3416 Keystone Loop
Discovery Bay, CA
View Property Report
3532 Keystone Loop
Discovery Bay, CA
View Property Report
3526 Keystone Loop
Discovery Bay, CA
View Property Report

FAQs

Who lives at 3424 Keystone Loop, Discovery Bay, CA 94505?
According to our records, the current person living in 3424 Keystone Loop is Marques Sioson.
Is this property currently for sale?
The property is not for sale and last sold for $539,000 on Nov 28, 2005. 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 $812,000, reflecting a -16% 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 3,517 sq ft of living space on a 6,500 sq ft lot, built in 2003 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 3432 Keystone Loop, 3416 Keystone Loop, and 3532 Keystone Loop, each with its own property report to help compare size, value, and residents.