637 St Marys Rd is a 1,733 square foot house on a 0.27 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on August 14, 1989 for $269,000. Based on Redfin's Lafayette data, we estimate the home's value is $1,467,340.
Single-familyProperty Type
1949Year Built
0.27 acresLot Size
$847Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,467,340
$1.2M since sold in August 1989$8,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.5% lower than the average sale price ($1.64M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 19, 2024 • Active
Residential mechanical-electrical-plumbing combo
Install a new condenser in the backyard with electrical service. Replace the indoor coil, furnace, and supply ducts. A HERS report may be required at the final inspection.
Electrical
HVAC
Plumbing
Nov 19, 2024 • Final
Building - residential mechanical
HVAC
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Good
Property Information
Subdivision Name: ST MARYS ESTATES
Living Sq. Ft: 1,733
Ground Floor Sq. Ft: 1,733
Building Sq. Ft: 2,102
# of Stories: 1
Legal Description: ST MARYS ESTATES LOT 228
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 369
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,600
Legal Lot Number: 228
Acres: 0.2663
Depth Footage: 99
Front Footage: 80
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,733
Stories: 1.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1963
County: Contra Costa County
APN: 2360410167
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Burton Valley Elementary School
Public K-5 • Assigned • 0.8mi
9/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 1.3mi
8/10
Campolindo 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
0.62% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 95° 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)
60
43
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70
50
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49
75
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79
55
87
58
84
59
77
56
63
48
57
45
Jan
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
$1.39M – $1.69M
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