3515 Keystone Loop, Discovery Bay, CA 94505
Property image
Property image
OFF MARKET

3515 Keystone Loop
Discovery Bay, CA 94505

  • 4 Beds
  • 4 Baths
  • 3,518 sqft

$816,700

Trulia Estimate
as of Jul 5, 2026
Est. Refi. Payment $4,958/mo*
Refinance Your Home

$816,700

Trulia Estimate
as of Jul 5, 2026
Est. Refi. Payment $4,958/mo*
Refinance Your Home
4 Beds
4 Baths
3,518 sqft

Local Information

  • Map ViewExplore the area around 3515 Keystone Loop.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Description

Expansive residence illuminated with natural light, showcasing an airy open floorplan designed for generous living. Boasting an elegant formal living and dining space, a harmonious family/kitchen fusion, and an immensely spacious bonus room/home office replete with double doors, a full bath, and a convenient laundry room - all conveniently situated on the main level. The kitchen exudes sophistication with its granite countertops, stainless steel appliances, a 5-burner gas stovetop, an inviting island, and ample storage for culinary essentials. Ascending to the second floor, you'll discover a vast loft area, 2 bedrooms interconnected with a tasteful jack and jill arrangement complemented by a shared full bath, an additional single bedroom, another full bath, and the luxurious owner's suite. The well-appointed owner's suite boasts considerable dimensions, highlighted by an expansive walk-in closet. The ensuite bathroom is a retreat within itself, featuring a stall shower, dual vanities, and a relaxing jacuzzi tub. Experience the enhanced comfort of new carpets throughout and an interior adorned with fresh paint. Accommodate your vehicles and recreational items effortlessly with the inclusion of a three-car garage and convenient side yard access, perfect for RV or watercraft!
3515 Keystone Loop, Discovery Bay, CA 94505 is a 4 bedroom, 4 bathroom, 3,518 sqft single-family home built in 2003. It last sold for the $799,000 asking price on Sep 29, 2023. More recently, it was listed as a rental in September 2015 with an asking price of $2,550 per month. That rental listing was removed on October 23, 2015. It is currently off market. The Trulia Estimate is $816,700, with a rent estimate of $3,967/month.

Home Highlights

Parking
Garage
Outdoor
No Info
A/C
Heating only
HOA
$230/Monthly
Price/Sqft
No Info
Listed
180+ days ago

Home Details for 3515 Keystone Loop

Interior Features

Interior Details
Number of Rooms: 11Types of Rooms: Master Bedroom, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Master Bathroom, Dining Room, Family Room, Kitchen, Living Room
Beds & Baths
Number of Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 4
Dimensions and Layout
Living Area: 3518 Square Feet
Appliances & Utilities
Appliances: Dishwasher, MicrowaveDishwasherMicrowave
Heating & Cooling
Heating: CentralHas HeatingHeating Fuel: Central
Fireplace & Spa
No Fireplace
Windows, Doors, Floors & Walls
Flooring: Carpet, Tile
Levels, Entrance, & Accessibility
Floors: Carpet, Tile
View
No View
Security
Security: Carbon Monoxide Detector(s), Security Gate

Exterior Features

Exterior Home Features
Roof: TileFencing: Back YardFoundation: SlabNo Private Pool
Parking & Garage
No CarportHas a GarageHas Open ParkingParking Spaces: 3Parking: Driveway,Garage Door Opener,Side By Side,On Site (Single Family Only)
Water & Sewer
Sewer: Public Sewer
Farm & Range
Not Allowed to Raise HorsesDoes Not Include Irrigation Water Rights
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 23

Property Information

Year Built
Year Built: 2003
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Not Attached PropertyDoes Not Include Home Warranty
Property Information
Parcel Number: 0114210198

Price & Status

Price
List Price: $799,000
Status Change & Dates
Possession Timing: Close Of Escrow

Active Status

MLS Status: Closed

Media

Location

Direction & Address
City: Discovery Bay

Building

Building Area
Building Area: 3518 Square Feet

Community

Not Senior Community

HOA

HOA Fee Includes: Common Areas, Recreation FacilityHOA Name: Lakeshore Residential Owners AssociationAssociation for this Listing: San Francisco Association of REALTORSHas an HOAHOA Fee: $230/Monthly

Lot Information

Lot Area: 6500 sqft

Listing Info

Special Conditions: Standard

Mobile R/V

Mobile Home Park
Mobile Home Units: Feet

Miscellaneous

Mls Number: 423760985

Additional Information

HOA Amenities: Dog Park, Exercise Course, Park, Playground, Pool, Tennis Court(s), Trail(s)
Last check for updates: about 1 hour ago
Listed by Kenix Zhong DRE #02026389, (415) 806-6251
Re/Max Accord, (925) 838-4100
Bought with: Brian K Spears, 1st Chois Fine Homes, (209) 543-1113
Originating MLS: San Francisco Association of REALTORS
Source: SFAR, MLS#423760985

Price History for 3515 Keystone Loop

DatePriceEventSource
09/29/2023$799,000Sold
SFAR #423760985
09/14/2023$799,000PendingSFAR #423760985
08/24/2023ListingRemovedSFAR #423760985
08/05/2023$799,000Listed For SaleSFAR #423760985
01/25/2021$745,000Sold
CCAR #40930024
12/01/2020$739,000PendingbridgeMLS/CCAR/Bay East AOR #40930024
11/21/2020$739,000Listed For SaleAgent Provided
10/23/2015$2,550ListingRemovedAgent Provided
09/18/2015$2,550Listed For RentAgent Provided
05/26/2009$180,000Sold
N/A
11/18/2008$387,785Sold
N/A
03/31/2004$499,000Sold
N/A

Market trends in Discovery Bay

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
118
8MoM
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Property Tax and Assessment

Year2025
Tax$11,119
Assessment$814,980
Home facts updated by county records

Comparable Sales for 3515 Keystone Loop

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3507 Keystone Loop, Discovery Bay, CA
0.01
Single-Family Home
$725,000
10/24/25
4
3
3,030
3638 Otter Brook Loop, Discovery Bay, CA
0.06
Single-Family Home
$850,000
12/01/25
4
3
3,272
3432 Keystone Loop, Discovery Bay, CA
0.05
Single-Family Home
$818,000
04/14/26
5
4
4,011
3645 Otter Brook Loop, Discovery Bay, CA
0.03
Single-Family Home
$750,000
11/20/25
5
3
3,536
716 Seminole Ct, Discovery Bay, CA
0.12
Single-Family Home
$750,000
04/30/26
4
3
3,517
3627 Otter Brook Loop, Discovery Bay, CA
0.06
Single-Family Home
$827,000
12/23/25
5
3
3,435
327 Mendocino Way, Discovery Bay, CA
0.33
Single-Family Home
$740,000
06/15/26
4
4
3,097
531 Half Moon Ct, Discovery Bay, CA
0.18
Single-Family Home
$858,000
01/29/26
5
4
4,011
2335 Winchester Loop, Discovery Bay, CA
0.28
Single-Family Home
$795,000
09/15/25
4
2.5
2,778
2350 Winchester Loop, Discovery Bay, CA
0.33
Single-Family Home
$800,000
05/19/26
4
3
2,913

Nearby homes

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Assigned Schools

These are the assigned schools for 3515 Keystone Loop.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Discovery Bay

At least 100 Trulia users voted on each feature.

  • 94 % Say it's dog friendly

  • 90 % Say there are sidewalks

  • 90 % Say car is needed

  • 90 % Say yards are well-kept

  • 86 % Say people would walk alone at night

  • 85 % Say parking is easy

  • 82 % Say there's holiday spirit

  • 76 % Say kids play outside

  • 75 % Say it's quiet

  • 74 % Say streets are well-lit

  • 64 % Say neighbors are friendly

  • 54 % Say there are community events

  • 50 % Say they plan to stay for at least 5 years

  • 47 % Say there's wildlife

  • 35 % Say it's walkable to restaurants

  • 26 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Andy E.
    "Discovery Bay is a beautiful bedroom community! It is on the Delta so all things water, boating, skiing, fishing, wildlife viewing are here! Safe community with great schools and great farmers markets nearby! Nearby Brentwood is great community with most everything you could need!"
    4
    Flag
  • Laurie Y.
    "This neighborhood is truly like no other. It’s on the Sacramento delta and the river is in your back yard. I live in a neighborhood where all my neighbors are friendly and keep an eye out for anything peculiar going on without being nosey. A great street to live on. "
    1
    Flag
  • Sierra K.
    "There are parks close by, people are friendly, clean community, and safe to walk in day time and at night"
    1
    Flag
  • Joanna J.
    "The things I like about our community are the holiday Boat parades, trails, nicely maintained parks that are safe for children."
    0
    Flag
  • Dlarry
    "The people here are pleasant and lookout for each other. Parks are great equip with doggie bags. The holidays are festive, most of the neighbors decorate their home during Christmas and Halloween."
    1
    Flag
  • James
    "Great place to raise a family, always having great times with the neighbors, everyone is friendly and helpful. "
    0
    Flag
  • D
    "Winery concerts and annual Christmas lights parade on the water. The boat owners are residents and volunteer to decorate their boats for the event. We have the seasonal cherry picking as well other fruits. "
    0
    Flag
  • D
    "We have an annual Christmas light show on the water. Neighbors are really friendly. The parks are dog friendly."
    0
    Flag
  • Dlarry
    "The parks are dog friendly and provide doggy bag through out the parks. People tend to ignore the speed limits and roll stop signs so be careful when crossing the street with your pet."
    0
    Flag
  • Laurie Y.
    " This town is big on community events....car shows, free concerts, boat parades, boat races, setting world records by tying together anything that floats with people on it ( we are in the record books as the largest human float) Christmas parade and open house.....altogether a very neighborly place to live."
    0
    Flag
  • JG
    "Friendly neighbors, black parties, bbqing, clean town, plenty of water sports, and great local eateries. "
    0
    Flag
  • Jlindemann23
    "It’s quiet but isolated. Neighbors can be nosey but mostly keep to themselves. Definitely need a car out here"
    0
    Flag
  • Ajmahlberg
    "There is no public transportation that I know of. Dial-a-Ride is available. Shuttle drivers also for airport destinations. "
    0
    Flag
  • XandraF.
    "I just recently moved here with family. it's Christmas time so I noticed that a lot of the neighborhood get together and decorate the streets for the holidays "
    0
    Flag
  • Skyler R.
    "There are lots of dogs walking with their owners, and there are 2 new(ish) dog parks at the community center! "
    0
    Flag
  • Samantha R.
    "Not to sure only live here for 2 years, we rent the house and I don’t really go out during the day time, as it is too hot. We go out in the evening, to walk he cat as the floor during the day is to hot."
    0
    Flag
  • Cali G.
    "I've lived here for 8 yrs now as a tenant. The community here at the Lakes are not very open not do they like renters! "
    0
    Flag
  • Barbara W.
    "I am a resident of Discovery Bay. As a whole, this little town is pretty safe. Very pet friendly. Great elementary schools and churches. Most within walking distance. Caution is required when crossing in the crosswalks at Discovery Bay Blvd. and Riverlake Rd's. as there has been a few minor hit and runs. Discovery Bay is a friendly community and a great place to raise your children."
    2
    Flag
  • John M.
    "You can't beat the discovery Bay Country Club living, it is a gated community and all of the homes are manicured with beautiful Golf Course views all through the community, it is a vary relaxed place to live and vary quite."
    0
    Flag
  • Discophil
    "Small town with Excelent Sushi Grill, Starbucks, Recreational Boat harbor w/ restaurant"
    0
    Flag

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Apartments for Rent

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Explore by feature - Pet Friendly

8 pet-friendly rentals in Discovery Bay, CA

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Explore by feature - Outdoor Space

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Homes for sale near 3515 Keystone Loop

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Off Market Homes Near 3515 Keystone Loop

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