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

$789,700

Trulia Estimate
as of Aug 19, 2026
Est. Refi. Payment $4,821/mo*
Refinance Your Home

$789,700

Trulia Estimate
as of Aug 19, 2026
Est. Refi. Payment $4,821/mo*
Refinance Your Home
4 Beds
4 Baths
3,518 sqft

Home Value

Trulia Estimate
$790K
Since last month
Decreased$10K (-1.2%)
Since last year
Decreased$29K (-3.5%)
Since last sale
Decreased$8K (-1%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +46% in the last 10 years
MonthEstimated value
2026
August 2026$791K
July 2026$801K
June 2026$815K
May 2026$821K
April 2026$825K
March 2026$819K
February 2026$837K
January 2026$806K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
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
3438 Keystone Loop, Discovery Bay, CA
0.05
Single-Family Home
$849,900
07/20/26
6
4
4,088
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

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
3657 Otter Brook Loop, Discovery Bay, CA 94505
0.02
$799,000
6
4
3,953
For Sale
3656 Otter Brook Loop, Discovery Bay, CA 94505
0.04
$896,900
6
3
3,536
Off Market
3645 Otter Brook Loop, Discovery Bay, CA 94505
0.03
$750,000
5
3
3,536
Recently Sold
3507 Keystone Loop, Discovery Bay, CA 94505
0.01
$725,000
4
2
3,030
Recently Sold
3638 Otter Brook Loop, Discovery Bay, CA 94505
0.06
$850,000
4
3
3,272
Recently Sold
3730 Otter Brook Loop, Discovery Bay, CA 94505
0.07
$764,100
4
3
3,066
Off Market
3627 Otter Brook Loop, Discovery Bay, CA 94505
0.06
$827,000
5
3
3,435
Recently Sold
703 Seminole Ct, Discovery Bay, CA 94505
0.09
$883,300
5
3
3,517
Off Market
709 Seminole Ct, Discovery Bay, CA 94505
0.10
$980,200
5
4
4,011
Off Market
801 Blue Mesa Ct, Discovery Bay, CA 94505
0.10
$771,200
4
3
2,562
Off Market
3460 Keystone Loop, Discovery Bay, CA 94505
0.05
$752,500
4
3
2,562
Off Market

Local Information

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

Home Highlights

Property Type
Single-Family Home
Year Built
2003
Living Area
3,518 sqft
Price/Sqft
$224
Parking
Garage
HOA
$230/Monthly

About this House

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 $789,700, with a rent estimate of $4,135/month.
Last check for updates: about 2 hours 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

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)

Price and Tax history

DateEventPrice
Sep 29, 2023
Source: SFAR #423760985
Sold
$799,000
Sep 14, 2023
Source: SFAR #423760985
Pending
$799,000
Aug 24, 2023
Source: SFAR #423760985
ListingRemoved
Aug 5, 2023
Source: SFAR #423760985
Listed For Sale
$799,000
Jan 25, 2021
Source: CCAR #40930024
Sold
$745,000

Market trends in Discovery Bay

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
109
10MoM

Around this home

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

LGBTQ Local Legal Protections

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Frequently asked questions about 3515 Keystone Loop

  • What is 3515 Keystone Loop estimated to be worth?
    Trulia's estimated value for 3515 Keystone Loop in Discovery Bay, CA is $789,700.
  • What is the price history for 3515 Keystone Loop?
    3515 Keystone Loop in Discovery Bay, CA last sold for $799,000 in September 2023.
  • Is Discovery Bay a buyer's or seller's market?
    Discovery Bay is currently a buyer's market, based on recent for-sale activity.
  • What do residents say about Discovery Bay?
    Residents describe Discovery Bay, CA as dog-friendly, pedestrian-friendly, and well-kept. See recently sold homes in Discovery Bay, CA.
  • Does 3515 Keystone Loop have a pool?
    Yes, 3515 Keystone Loop in Discovery Bay, CA has a pool.
  • Does 3515 Keystone Loop have a yard?
    Yes, 3515 Keystone Loop in Discovery Bay, CA has a yard.

Explore by feature - Pet Friendly

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Explore by feature - Air Conditioning

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

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