645 St Marys Rd is a 1,450 square foot house on a 0.27 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $1,348,987.
Single-familyProperty Type
1949Year Built
0.27 acresLot Size
$930Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,348,987
$35K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.5% lower than the average sale price ($1.40M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$8,909 (+1.6%)
$228,917 + $505,598
$734,515
2024
$8,768 (−11.3%)
$224,429 + $495,685
$720,114
2023
$9,884 (−1.7%)
$220,029 + $485,966
$705,995
2022
$10,050 (+3.1%)
$215,715 + $476,438
$692,153
2021
$9,750 (+0.9%)
$211,486 + $467,097
$678,583
2020
$9,666 (+11.5%)
$207,340 + $457,939
$665,279
2019
$8,667 (+26.6%)
$205,214 + $453,244
$658,458
2018
$6,844 (+10.6%)
$201,191 + $388,279
$589,470
2017
$6,187 (+2.3%)
$193,380 + $238,639
$432,019
2016
$6,049 (+2.9%)
$193,380 + $238,639
$432,019
2015
$5,879 (+1.3%)
$189,589 + $233,960
$423,549
2014
$5,804 (+1.5%)
$183,084 + $225,932
$409,016
2013
$5,717 (+3.2%)
$183,084 + $225,932
$409,016
2012
$5,541 (+1.8%)
$182,257 + $224,911
$407,168
2011
$5,442 (+4.6%)
$178,684 + $220,501
$399,185
2010
$5,201 (+2.0%)
$175,181 + $216,178
$391,359
2009
$5,101 (+1.7%)
$173,872 + $214,563
$388,435
2008
$5,016
$174,286 + $215,073
$389,359
Tax history for 645 St Marys Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,909 (+1.6%)
$228,917 + $505,598
$734,515
2024
$8,768 (−11.3%)
$224,429 + $495,685
$720,114
2023
$9,884 (−1.7%)
$220,029 + $485,966
$705,995
2022
$10,050 (+3.1%)
$215,715 + $476,438
$692,153
2021
$9,750 (+0.9%)
$211,486 + $467,097
$678,583
2020
$9,666 (+11.5%)
$207,340 + $457,939
$665,279
2019
$8,667 (+26.6%)
$205,214 + $453,244
$658,458
2018
$6,844 (+10.6%)
$201,191 + $388,279
$589,470
2017
$6,187 (+2.3%)
$193,380 + $238,639
$432,019
2016
$6,049 (+2.9%)
$193,380 + $238,639
$432,019
2015
$5,879 (+1.3%)
$189,589 + $233,960
$423,549
2014
$5,804 (+1.5%)
$183,084 + $225,932
$409,016
2013
$5,717 (+3.2%)
$183,084 + $225,932
$409,016
2012
$5,541 (+1.8%)
$182,257 + $224,911
$407,168
2011
$5,442 (+4.6%)
$178,684 + $220,501
$399,185
2010
$5,201 (+2.0%)
$175,181 + $216,178
$391,359
2009
$5,101 (+1.7%)
$173,872 + $214,563
$388,435
2008
$5,016
$174,286 + $215,073
$389,359
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 11, 2023 • Final
Building - residential solar photovoltaic
Install a rooftop solar photovoltaic system and replace the main electrical service panel.
Electrical
Electric meter
Solar
Sep 4, 2019 • Final
Building/residential/r/new single family-duplex
Construct a new second residential unit with a sunken tiled bathtub.
Addition
Bathroom
New construction
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: 7
Exterior
Property Information
Subdivision Name: ST MARYS ESTATES
Living Sq. Ft: 1,450
Ground Floor Sq. Ft: 1,450
Building Sq. Ft: 1,450
# of Stories: 1
Legal Description: ST MARYS ESTATES LOT 230
Parking & Garage Information
Garage/Parking Sq. Ft: 379
Lot Information
# of Buildings: 2
Land Sq. Ft: 11,600
Legal Lot Number: 230
Acres: 0.2663
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,450
Stories: 1.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1960
County: Contra Costa County
APN: 2360410183
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, 15 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
62
46
70
50
68
49
75
52
78
54
79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$1.28M – $1.55M
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