Sold432d on market
3557 Keystone Loop
Discovery Bay, CA, 94505 • 94505 • Contra Costa County
$878,000
$215/sqft
4Beds
4Baths
4,088Sqft
0.16 acLot
2004Built
Property DNA
Traditional Style
Built 2004 · 22 years of history
2 Fireplaces
Family Room · Master Bedroom
3-Car Garage
Electric Vehicle Charging Station(s) · Garage Faces Front
Tile Floors
Quality flooring throughout
$230/mo HOA
Greenbelt · Pool · Gated · Game Court Exterior
Market activity
Demand and pricing signals for this listing
10 views
People checking out this listing
432 days on market
Established listing
$215/sqft
Price per square foot
About this home
Single Family · Built 2004
Welcome to your dream home in the prestigious gated community of Lakeshore! This magnificent home offers over 4000 sq ft of luxurious living space, thoughtfully designed for comfort and elegance. The heart of the home, this spacious kitchen boasts modern appliances, ample counter space, and a view of the living room and eat-in kitchen area, perfect for entertaining. The main floor also features a formal dining area and an additional separate living area, all adorned with exquisite tile flooring. An additional room downstairs can serve as an office/den or flexible space to suit your needs. Upstairs, discover a massive primary suite complete with a cozy fireplace, creating a serene and relaxing atmosphere. There are 3 additional spacious bedrooms, one of which is a junior suite, providing privacy and convenience. Overlooking the serene lake, the expansive loft offers a perfect space for a game room, home theater, or additional lounge area. The 2-Car tandem garage w/ epoxy floors includes a Tesla charging station, driveway extension and whole house water filtration/softener system. Low-maintenance landscaping in both the front and back yard are designed for easy upkeep, allowing you more time to enjoy your home. Stay comfortable year-round with a new A/C unit and whole house fan.
Estimated monthly payment
Based on current rates
$5,661/month
Principal & Interest$4,260
Property Tax$878
Insurance$293
HOA$230
Down payment20% ($175,600)
3%50%
Est. 6.11% rate · 30yr fixed · $702,400 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built2004
HeatingZoned
CoolingWhole House Fan
Parking3 Attached Garage spaces
HOA$230 monthly
Lot6,969 sqft
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleTraditional
ConditionExisting
Year built2004
Stories2
Systems
HeatingZoned
CoolingWhole House Fan
ConstructionStone, Stucco
Water / SewerPublic / Public Sewer
Parking & Outdoor
ParkingElectric Vehicle Charging Station(s), Garage Faces Front
Garage3 spaces
Fireplaces2
FencingFenced
Lot6,969 sqft
Location & Tax
Neighborhood94505
Annual tax$11,802
Parcel0114210263
Bathrooms & Fees
Full baths4
HOA$230/mo
Features & details
12 categories of property features
Interior Features
Interior
Den
Dining Area
Pantry
Wet Bar
Appliances
Gas Range
Oven
Refrigerator
Water Filter System
Flooring
Tile
Carpet
Heating
Zoned
Cooling
Whole House Fan
Laundry
Cabinets
Sink
Fireplace
Family Room
Master Bedroom
Exterior Features
Exterior
Back Yard
Dog Run
Front Yard
Sprinklers Automatic
Parking
Electric Vehicle Charging Station(s)
Garage Faces Front
Construction
Stone
Stucco
Security
Double Strapped Water Heater
Pool Features
None
Other
Community
Room details
1 room detailed
Kitchen
Counter - StoneEat In KitchenGas Range/CooktopIslandOven Built-inPantryRefrigeratorWet Bar
Listing insights
Market data and value estimates
StatusSold
Days on market432
Est. value$854,300
Est. rent$3,887/mo
Tax rate1.15%
Price/sqft$215
On marketJan 30, 2025
PostedJan 30, 2025
Last sold$878,000
MLS updatedJan 30, 2025
Tour days6
Views10
How are the schools in Discovery Bay?
3 schools rated nearby
Location
Discovery Bay, CA, 94505
Price history
22 events
DateEventPrice$/sqftSource
Jan 30, 2025Sold$878,000$215bridgeMLS/CCAR/Bay East AOR
Oct 3, 2024Price Change$874,999$214bridgeMLS/CCAR/Bay East AOR
Aug 16, 2024Listed For Sale$885,000$216bridgeMLS/CCAR/Bay East AOR
Aug 16, 2024Pending Sale$885,000$216bridgeMLS/CCAR/Bay East AOR
Aug 1, 2024Listed For Sale$885,000$216bridgeMLS/CCAR/Bay East AOR
Mar 3, 2023Sold$850,000$208Bay East AOR
Feb 10, 2023Pending Sale$899,500$220bridgeMLS/CCAR/Bay East AOR
Nov 8, 2022Listed For Sale$899,500$220bridgeMLS/CCAR/Bay East AOR
Oct 19, 2020Sold$755,000$185CCAR
Aug 27, 2020Pending Sale$699,000$171Allison James Estates & Homes
Aug 19, 2020Listed For Sale$699,000$171Allison James Estates & Homes
Nov 23, 2016Listing Removed$599,900$147Alain Pinel Realtors
Nov 23, 2016Listed For Sale$599,900$147Alain Pinel Realtors
Nov 22, 2016Sold$600,000$147CCAR
Nov 3, 2016Pending Sale$599,900$147Alain Pinel Realtors
Oct 15, 2016Price Change$599,900$147Alain Pinel Realtors
Sep 8, 2016Listed For Sale$649,900$159Alain Pinel REALTORS
Jan 16, 2009Sold$375,000$92Public Record
Dec 23, 2008Price Change$383,900$94foreclosure.com
Dec 1, 2008Listed For Sale$389,900$95foreclosure.com
Sep 9, 2008Sold$368,000$90Public Record
Jun 28, 2006Sold$838,000$205Public Record
Sold$878,000
Jan 30, 2025•$215/sqft•bridgeMLS/CCAR/Bay East AOR
Price Change$874,999
Oct 3, 2024•$214/sqft•bridgeMLS/CCAR/Bay East AOR
Listed For Sale$885,000
Aug 16, 2024•$216/sqft•bridgeMLS/CCAR/Bay East AOR
Pending Sale$885,000
Aug 16, 2024•$216/sqft•bridgeMLS/CCAR/Bay East AOR
Listed For Sale$885,000
Aug 1, 2024•$216/sqft•bridgeMLS/CCAR/Bay East AOR
Sold$850,000
Mar 3, 2023•$208/sqft•Bay East AOR
Pending Sale$899,500
Feb 10, 2023•$220/sqft•bridgeMLS/CCAR/Bay East AOR
Listed For Sale$899,500
Nov 8, 2022•$220/sqft•bridgeMLS/CCAR/Bay East AOR
Sold$755,000
Oct 19, 2020•$185/sqft•CCAR
Pending Sale$699,000
Aug 27, 2020•$171/sqft•Allison James Estates & Homes
Listed For Sale$699,000
Aug 19, 2020•$171/sqft•Allison James Estates & Homes
Listing Removed$599,900
Nov 23, 2016•$147/sqft•Alain Pinel Realtors
Listed For Sale$599,900
Nov 23, 2016•$147/sqft•Alain Pinel Realtors
Sold$600,000
Nov 22, 2016•$147/sqft•CCAR
Pending Sale$599,900
Nov 3, 2016•$147/sqft•Alain Pinel Realtors
Price Change$599,900
Oct 15, 2016•$147/sqft•Alain Pinel Realtors
Listed For Sale$649,900
Sep 8, 2016•$159/sqft•Alain Pinel REALTORS
Sold$375,000
Jan 16, 2009•$92/sqft•Public Record
Price Change$383,900
Dec 23, 2008•$94/sqft•foreclosure.com
Listed For Sale$389,900
Dec 1, 2008•$95/sqft•foreclosure.com
Sold$368,000
Sep 9, 2008•$90/sqft•Public Record
Sold$838,000
Jun 28, 2006•$205/sqft•Public Record
Tax history
23 years of records
YearTax paidAssessed value
Apr 8, 2025$11,802$884,340
Apr 8, 2024$12,119$867,000
Apr 8, 2023$10,477$785,502
Apr 8, 2022$10,307$770,100
Apr 8, 2021$10,063$755,000
Apr 8, 2020$7,244$636,616
Apr 8, 2019$7,166$624,135
Apr 8, 2018$6,910$611,898
Apr 8, 2017$8,135$599,900
Apr 8, 2016$5,784$407,929
Apr 8, 2015$5,518$401,802
Apr 8, 2014$5,518$393,932
Apr 8, 2013—$392,153
Apr 8, 2012—$336,000
Apr 8, 2011—$336,000
Apr 8, 2010—$366,500
Apr 8, 2009—$350,000
Apr 8, 2008—$505,000
Apr 8, 2007—$762,500
Apr 8, 2006—$582,831
Apr 8, 2005—$571,404
Apr 8, 2004—$154,060
Apr 8, 2003—$105,000
Nearby homes
Neighborhood details
Local context around this listing
Discovery Bay, CA • Contra Costa County
Nearby cities
AntiochBrentwoodConcordDanvilleMartinezPittsburgRichmondSan Pablo
Nearby zip codes
9450595219
Similar homes
Bay East 2026. CCAR 2026. bridgeMLS 2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 2026-04-08 16:11:43 PDT.
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