SOLD JUL 20, 2026
Sold on jul 2026
$849,900
6
bd
•
4 ba
•
4,088
sq ft

3438 Keystone Loop, Discovery Bay, CA 94505

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About this home

Single-familyProperty Type
2003Year Built
7,100 sq ftLot Size
$208Price/Sq.Ft.
$265/moHOA Dues
2 car garageParking
Listed by Rose Lawrence •DRE #02034396 • Corcoran Icon Properties
Bought with Brysen Schumacher •DRE #01379459 • Compass
Redfin checked: 2 minutes ago
•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41134847

Redfin Estimate

$866,139
$16K since sold in July 2026$21K since September

This home's estimate is 9.5% higher than the average sale price ($791K) of 6 comparable homes.

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Market trends in 94505, CA

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Sale and tax history for 3438 Keystone Loop

Public record

Beds
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
7,100 Sq. Ft.
Year renovated
2003
Sq. Ft.
4,088
Year built
2003
Style
Single Family Residential
County
Contra Costa County
APN
0114210396
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 28, 2026.

Property details

Around this home

Schools

Timber Point Elementary School

Public K-5 • Assigned • 0.5mi

6/10
Excelsior Middle School

Public 6-8 • Assigned • 2.8mi

4/10
Liberty High School

Public 9-12 • Assigned • 4.5mi

7/10
Provided by GreatSchools

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 102° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

20 unhealthy days expected this year, 21 days in 30 years

Provided by First Street

Historical weather

Discovery Bay, CA • 94505
Average low and high temperatures (°F)
59
39
63
44
72
49
73
49
82
55
89
58
92
60
95
62
88
62
80
55
64
46
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

87/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Discovery Bay. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.8 hrs
6.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$823,000 – $997,000

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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2026. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.