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Discovery Bay 94505
3438 Keystone Loop
$849,900
● House - Off Market

3438 Keystone Loop

Discovery Bay, CA 94505
bedrooms
6 Beds
bathrooms
4 Baths
square feet
4,088 Ft²
$4,439
Est. Monthly
$265
HOA / Fees

About This Property

Step into a home that finally gives you the space, lifestyle, and flexibility you've been searching for. Welcome to 3438 Keystone Loop in Discovery Bay's sought-after Lakeshore gated community. This expansive 6-bedroom, 4-bath residence offers over 4,000 sq ft of thoughtfully designed living space that truly lives as beautifully as it looks. From the moment you enter, you'll notice the versatility. Perfectly suited for multi-generational living, large households, or anyone who values room to spread out without sacrificing style.  The main level features two bedrooms and a full bath, ideal for guests, extended family, or a private home office setup. At the center of it all is a spacious kitchen designed to gather, complete with granite countertops, stainless steel appliances, rich cherry cabinetry, and an oversized island that naturally becomes the hub for conversation, connection, and everyday living.  Upstairs, the home continues to impress with generously sized bedrooms, including two primary suites-offering comfort, separation, and flexibility for a variety of living arrangements.  But what truly sets this home apart is the backyard experience. Designed for both relaxation and unforgettable entertaining, this resort-style setting features a sparkling pool, a vibrant tiki bar, and a fully equipped outdoor kitchen-creating the perfect backdrop for everything from summer celebrations to quiet evenings under the stars. With side yard access and an extended driveway, there's ample space for guests, recreational vehicles, and more.  Located behind the gates of Lakeshore, residents enjoy a sense of exclusivity along with access to community amenities, scenic walking paths, and proximity to Discovery Bay's waterfront lifestyle.  This is more than just a home-it's an opportunity to live bigger, entertain better, and settle into a space that adapts to your life.
Unit Size
4,088 Ft²
Days on Market
67 days
Land Size
0.16 acres
Price per sqft
$208
Property Type
House
Property Taxes
-
HOA Dues
$265
Year Built
2003

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Last updated: 4 months ago (bridgeMLS/CCAR/Bay East AOR #41134847)

Price History

Date / Event Date Event Price
Jul 20, 2026 Sold
Sold
Jun 11, 2026 In contract -
In contract
May 14, 2026 Listed by Corcoran Icon Properties $849,900
Listed by Corcoran Icon Properties
Sep 9, 2025 Price Decreased $869,000
↓ $16K (1.8%)
Price Decreased
Aug 7, 2025 Price Decreased $884,900
↓ $15K (1.7%)
Price Decreased
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Property Highlights

Garage
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 2003
  • Effective Year Built: 2003
  • Total Rooms: 11
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 3
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 30
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 7
  • Garage Square Area: 715
  • Parking Space Count: 2
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 8
  • Location Influence Type: L

    Dimensions

  • Lot Size Square Feet: 7,100
  • Total Building Area: 4,088
  • Building Area: 4,088
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 1
  • Heating: 0
  • Heated Square Feet: 4,088
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: LAKESHORE 4
  • Land Acres: 0000000162
  • Standard Land Use Code: 1003
  • County Land Use Code: 19
  • Legal Description 1: T8430 L39

Neighborhood

  • Census Tract: 304005

Geography

  • Subdivision Tract Number: 8430
  • Parcel: 011-421-039-6
  • Latitude: 37.9141
  • Longitude: -121.615

    Address

  • Full Address: 3438 Keystone Loop
  • Address - House Number: 3438
  • Address - Street Name: Keystone
  • Address - Suffix Type: Loop
  • State: CA
  • City Name: Discovery Bay
  • Carrier Code: R010
  • 4-Digit Zip Code: 2324
  • Zip Code: 94505

Valuation

    Tax

  • Tax Year: 2020
  • Tax Amount: $910,344
  • Tax Rate Code Area: 60-065

    Assessments Valuation

  • Assessed Year: 2020
  • Assessed Total Value: $663,000
  • Assessed Land Value: $132,442
  • Assessed Improvements Value: $530,558

    Sales

  • Current Sale Contract Date: Feb 27, 2020
  • Current Sale Recording Date: Mar 04, 2020
  • Current Sale Price:
  • Current Sale Document Type: 36
  • Current Sale Input Document Number: 2020-041845
  • Previous Sale Recording Date: Nov 25, 2003
  • Previous Sale Contract Date: Nov 19, 2003
  • Previous Sale Amount: $597,000
  • Previous Sale Document Type: 36
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Discovery Bay


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Nearby Rentals

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Unit for rent at 4480 Discovery Pt, DISCOVERY BAY, CA, 94505

$4,500 /mo

  • 3 Beds
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4480 Discovery Pt, DISCOVERY BAY, CA, 94505 Listing by Jennifer Biczkow


Frequently Asked Questions

When was property at 3438 Keystone Loop built and last sold?
The property at 3438 Keystone Loop was built in 2003 and last sold on Feb 27, 2020 for $639,000.
How much is this home worth?
The estimated value of the home located at 3438 Keystone Loop is $858,399.
What are some comparable homes to 3438 Keystone Loop?
There are currently no comparable homes to 3438 Keystone Loop.