3507 Keystone Loop, Discovery Bay, CA 94505
Property image
Property image
SOLD
OCT 24, 2025

3507 Keystone Loop
Discovery Bay, CA 94505

  • 4 Beds
  • 3 Baths
  • 3,030 sqft

$725,000

Last Sold: Oct 24, 2025
0% below list $728K
$239/sqft
Est. Refi. Payment $4,409/mo*
Refinance Your Home

$725,000

Last Sold: Oct 24, 2025
0% below list $728K
$239/sqft
Est. Refi. Payment $4,409/mo*
Refinance Your Home
4 Beds
3 Baths
3,030 sqft

Local Information

  • Map ViewExplore the area around 3507 Keystone Loop.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Description

Gorgeous home, in the TERRIFIC and Exclusive Gated Community of Lakeshore. Located on an inside street, yet easy access to Entry Gate, Walking Trails, Clubhouse and Pool. 4 Spacious bedrooms, and a Beautiful Usable Loft/Media Room, for the family to relax and unwind in. Huge living and dining areas, drenched in natural light. HUGE Primary Bedroom and Full Bathroom, conveniently located on the Ground Level. Freshly painted Interior, Brand New Carpeting. Totally usable, low maintenance Back Yard, with a Pergola, to enjoy the outdoors in comfort. This Home has Universal appeal, and has to be seen to be Appreciated.
3507 Keystone Loop, Discovery Bay, CA 94505 is a 4 bedroom, 3 bathroom, 3,030 sqft single-family home built in 2003. It last sold for the $728,000 asking price on Oct 24, 2025. More recently, it was listed as a rental in November 2019 with an asking price of $2,995 per month. That rental listing was removed on January 15, 2020. It is currently off market. The Trulia Estimate is $707,300, with a rent estimate of $3,474/month.

Home Highlights

Parking
Garage
Outdoor
Patio
A/C
Heating & Cooling
HOA
$245/Monthly
Price/Sqft
$239/sqft
Listed
180+ days ago

Home Details for 3507 Keystone Loop

Interior Features

Interior Details
Number of Rooms: 10Types of Rooms: Kitchen
Beds & Baths
Number of Bedrooms: 4Number of Bathrooms: 3Number of Bathrooms (full): 2Number of Bathrooms (partial): 1
Dimensions and Layout
Living Area: 3030 Square Feet
Appliances & Utilities
Utilities: Internet Available, Natural Gas Available, Natural Gas Connected, Individual Electric Meter, Individual Gas MeterAppliances: Dishwasher, Gas Range, Gas Water HeaterDishwasherLaundry: Laundry Room,Common Area
Heating & Cooling
Heating: Forced AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Forced Air
Fireplace & Spa
Number of Fireplaces: 1Fireplace: Living RoomHas a Fireplace
Gas & Electric
Electric: No Solar
Windows, Doors, Floors & Walls
Window: Window CoveringsFlooring: Tile, Carpet
Levels, Entrance, & Accessibility
Stories: 2Levels: TwoEntry Location: No Steps to EntryAccessibility: NoneFloors: Tile, Carpet
Security
Security: Carbon Monoxide Detector(s), Double Strapped Water Heater, Gated with Guard, Smoke Detector(s)

Exterior Features

Exterior Home Features
Roof: TilePatio / Porch: PatioFencing: Fenced, Full, WoodExterior: GardenGardenNo Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2No CarportHas a GarageNo Attached GarageParking Spaces: 2Parking: Attached,Garage Door Opener
Pool
Pool: See Remarks, Community
Frontage
Not on Waterfront

Property Information

Year Built
Year Built: 2003
Property Type / Style
Property Type: ResidentialProperty Subtype: Residential, Single Family ResidenceArchitecture: Contemporary
Building
Construction Materials: StuccoNot a New ConstructionNot Attached PropertyIncludes Home Warranty
Property Information
Condition: ExistingParcel Number: 0114210180

Price & Status

Price
List Price: $728,000Price Per Sqft: $239/sqftPrice Range: $725,000 - $728,000
Status Change & Dates
Off Market Date: Tue Oct 14 2025Possession Timing: Close Of Escrow

Active Status

MLS Status: Sold

Location

Direction & Address
City: Discovery BayCommunity: Lake Shore

Building

Building Area
Building Area: 3030 Square Feet

HOA

HOA Fee Includes: Management Fee, Security, Maintenance GroundsHOA Name: LAKESHORE HOAHOA Phone: 925-901-0225Has an HOAHOA Fee: $245/Monthly

Lot Information

Lot Area: 6534 sqft

Listing Info

Special Conditions: Standard

Offer

Listing Agreement Type: Excl RightListing Terms: Cash, Conventional

Mobile R/V

Mobile Home Park
Mobile Home Units: Feet

Miscellaneous

Mls Number: 41107697Above Grade Unfinished Area Units: Square FeetBelow Grade Unfinished Area Units: Square Feet

Additional Information

HOA Amenities: Clubhouse,Greenbelt,Playground,Pool,Gated,Park
Last check for updates: about 3 hours ago
Listed by Bela Shah DRE #01100225, (510) 304-2121
Bela Realty & Inv
Bought with: Diane Huezo DRE #01993321, (510) 690-7207, Alliance Bay Realty
Source: Bay East AOR, MLS#41107697

Price History for 3507 Keystone Loop

DatePriceEventSource
10/24/2025$725,000Sold
Bay East AOR #41107697
10/15/2025$728,000PendingBay East AOR #41107697
09/22/2025$728,000PriceChange
Bay East AOR #41107697
08/09/2025$768,000Listed For SaleBay East AOR #41107697
01/15/2020$2,995ListingRemovedAgent Provided
11/23/2019$2,995Listed For RentAgent Provided
11/04/2011$2,295ListingRemovedAgent Provided
10/24/2011$2,295Listed For RentAgent Provided
09/27/2011$300,000Sold
bridgeMLS/CCAR/Bay East AOR #40511307
09/21/2006$640,000Sold
N/A
03/31/2004$467,500Sold
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$6,315
Assessment$376,807
Home facts updated by county records

Comparable Sales for 3507 Keystone Loop

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3638 Otter Brook Loop, Discovery Bay, CA
0.07
Single-Family Home
$850,000
12/01/25
4
3
3,272
3645 Otter Brook Loop, Discovery Bay, CA
0.04
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
0.07
Single-Family Home
$827,000
12/23/25
5
3
3,435
2342 Winchester Loop, Discovery Bay, CA
0.32
Single-Family Home
$730,000
03/05/26
4
3
2,913
3146 Castle Rock Loop, Discovery Bay, CA
0.22
Single-Family Home
$715,000
03/03/26
3
2.5
2,794
2072 Bridgeport Loop, Discovery Bay, CA
0.27
Single-Family Home
$690,000
06/18/26
4
3
2,302
2335 Winchester Loop, Discovery Bay, CA
0.30
Single-Family Home
$795,000
09/15/25
4
2.5
2,778
3432 Keystone Loop, Discovery Bay, CA
0.06
Single-Family Home
$818,000
04/14/26
5
4
4,011

Nearby homes

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Assigned Schools

These are the assigned schools for 3507 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 3507 Keystone Loop

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Off Market Homes Near 3507 Keystone Loop

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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 or any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 2026-07-04 23:33:30 PDT.