Off Market2120d on market
3489 Keystone Loop
Discovery Bay, CA, 94505 • 94505 • Contra Costa County
$1,276,300
$312/sqft
4Beds
4Baths
4,088Sqft
0.32 acLot
2003Built
Property DNA
Hardwood Floors
Quality flooring throughout
Market activity
Demand and pricing signals for this listing
3 views
People checking out this listing
2120 days on market
Established listing
$312/sqft
Price per square foot
About this home
Single Family · Built 2003
Want a bit of a Hawaii resort in your yard? Look no further!! Huge private lot with salt water pebble tech pool, spa, waterfall, swim up bar and stools, bar pavilion, outdoor Barbeque pavilion, outdoor lighting and outdoor stone fireplace. Has to be seen to be believed! Highly upgraded home interior, with custom kitchen cabinetry, slab granite, island, ceiling fans, closet organizers in every closet, custom window coverings, alarm system, surround sound in living room, and upstairs loft. 4 bedrooms plus office with loft. Super large master with reading room and fireplace.
Estimated monthly payment
Based on current rates
$8,095/month
Principal & Interest$6,208
Property Tax$1,276
Insurance$425
HOA$185
Down payment20% ($255,260)
3%50%
Est. 6.13% rate · 30yr fixed · $1,021,040 loan
Full calculator →At a glance
Key facts and listing details
TypeSingleFamily
Year Built2003
HeatingForced air
CoolingCentral
Parking3 Parking spaces
HOA$185 monthly
Lot0.32 Acres
Property
Home typeSingle Family
Year built2003
Systems
HeatingForced air
CoolingCentral
RoofTile
Parking & Outdoor
ParkingGarage - Attached
Fireplaces2
Lot0.32 Acres
Location & Tax
Neighborhood94505
Annual tax$12,076
Parcel0114210156
Bathrooms & Fees
Full baths4
HOA$185/mo
Features & details
7 categories of property features
Interior Features
Appliances
Dishwasher
Microwave
Range / Oven
Refrigerator
Flooring
Carpet
Hardwood
Slate
Heating
Forced air
Cooling
Central
Laundry
In Laundry Room
Exterior Features
Exterior
Stucco
Brick
Parking
Garage - Attached
Listing insights
Market data and value estimates
StatusOff Market
Days on market2120
Est. value$1,276,300
Est. rent$4,661/mo
Tax rate1.15%
Price/sqft$312
Last sold$825,000
Tour days6
Views3
How are the schools in Discovery Bay?
3 schools rated nearby
Location
Discovery Bay, CA, 94505
Price history
9 events
DateEventPrice$/sqftSource
Jun 17, 2020Sold$825,000$202Bay East AOR
May 19, 2020Pending Sale$824,900$202RE/MAX Accord
May 13, 2020Listed For Sale$824,900$202Re/Max Accord
Sep 30, 2016Sold$799,950$196bridgeMLS/CCAR/Bay East AOR
Aug 18, 2016Pending Sale$799,950$196INTERO REAL ESTATE SVC.
Aug 5, 2016Listed For Sale$799,950$196INTERO REAL ESTATE SVC.
Jul 21, 2016Pending Sale$799,950$196INTERO REAL ESTATE SVC.
Jul 15, 2016Listed For Sale$799,950$196INTERO REAL ESTATE SVC.
Mar 25, 2004Sold$634,500$155Public Record
Sold$825,000
Jun 17, 2020•$202/sqft•Bay East AOR
Pending Sale$824,900
May 19, 2020•$202/sqft•RE/MAX Accord
Listed For Sale$824,900
May 13, 2020•$202/sqft•Re/Max Accord
Sold$799,950
Sep 30, 2016•$196/sqft•bridgeMLS/CCAR/Bay East AOR
Pending Sale$799,950
Aug 18, 2016•$196/sqft•INTERO REAL ESTATE SVC.
Listed For Sale$799,950
Aug 5, 2016•$196/sqft•INTERO REAL ESTATE SVC.
Pending Sale$799,950
Jul 21, 2016•$196/sqft•INTERO REAL ESTATE SVC.
Listed For Sale$799,950
Jul 15, 2016•$196/sqft•INTERO REAL ESTATE SVC.
Sold$634,500
Mar 25, 2004•$155/sqft•Public Record
Tax history
23 years of records
YearTax paidAssessed value
Apr 8, 2025$12,076$902,255
Apr 8, 2024$11,542$884,565
Apr 8, 2023$11,365$867,221
Apr 8, 2022$11,181$850,217
Apr 8, 2021$10,916$833,547
Apr 8, 2020$11,140$848,859
Apr 8, 2019$11,015$832,215
Apr 8, 2018$10,600$815,898
Apr 8, 2017$10,324$799,900
Apr 8, 2016$7,293$548,500
Apr 8, 2015$6,689$500,500
Apr 8, 2014$6,689$501,500
Apr 8, 2013—$434,500
Apr 8, 2012—$347,500
Apr 8, 2011—$347,500
Apr 8, 2010—$378,500
Apr 8, 2009—$379,000
Apr 8, 2008—$528,500
Apr 8, 2007—$708,504
Apr 8, 2006—$663,613
Apr 8, 2005—$646,680
Apr 8, 2004—$272,060
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
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