3348 St Marys Rd is a 3,519 square foot house on a 0.64 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on May 28, 2008 for $1,350,000. Based on Redfin's Lafayette data, we estimate the home's value is $2,456,529.
Single-familyProperty Type
1949Year Built
0.64 acresLot Size
$698Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$2,456,529
$1.1M since sold in May 2008$53K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.6% higher than the average sale price ($2.24M) of 5 comparable homes.
Construct a new patio cover and an open pergola over an existing island.
ADU
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Room Information
# of Rooms: 11
Exterior
Property Information
Subdivision Name: COLORADOS RHO
Living Sq. Ft: 3,519
Ground Floor Sq. Ft: 3,519
Building Sq. Ft: 3,519
# of Stories: 1
Legal Description: RO COLORADOS POR LOTS 15, 16 & 21
Parking & Garage Information
Garage/Parking Sq. Ft: 576
Lot Information
# of Buildings: 1
Land Sq. Ft: 27,878
Legal Lot Number: 15
Acres: 0.64
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,519
Stories: 1.0
Lot Size: 0.64 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1990
County: Contra Costa County
APN: 2341530018
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Burton Valley Elementary School
Public K-5 • Assigned • 1.5mi
9/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 0.6mi
8/10
Acalanes High School
Public 9-12 • Assigned • 1.6mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
3/10 Heat Factor
8 days above 93° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
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43
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70
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81
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87
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81
60
72
54
63
48
57
45
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Feb
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Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.33M – $2.83M
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