3489 St Marys Rd is a 1,638 square foot house on a 0.43 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $1,622,947.
Single-familyProperty Type
1954Year Built
0.43 acresLot Size
$991Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,622,947
$86K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.7% lower than the average sale price ($1.90M) 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
$4,023 (+11.1%)
$51,476 + $93,495
$144,971
2024
$3,620 (+2.3%)
$50,467 + $91,662
$142,129
2023
$3,539 (+1.6%)
$49,478 + $89,865
$139,343
2022
$3,481 (+2.9%)
$48,508 + $88,103
$136,611
2021
$3,383 (−42.2%)
$47,557 + $86,376
$133,933
2020
$5,857 (+191.0%)
$46,625 + $84,683
$131,308
2019
$2,013 (+4.2%)
$46,147 + $83,815
$129,962
2018
$1,932 (+3.3%)
$45,243 + $82,172
$127,415
2017
$1,871 (+3.4%)
$43,487 + $78,982
$122,469
2016
$1,810 (+3.8%)
$43,487 + $78,982
$122,469
2015
$1,743 (+2.4%)
$42,635 + $77,434
$120,069
2014
$1,702 (+2.7%)
$41,173 + $74,777
$115,950
2013
$1,657 (+4.5%)
$41,173 + $74,777
$115,950
2012
$1,586 (+3.1%)
$40,987 + $74,440
$115,427
2011
$1,539 (+2.5%)
$40,184 + $72,981
$113,165
2010
$1,502 (−0.4%)
$39,397 + $71,550
$110,947
2009
$1,508 (+1.5%)
$39,103 + $71,016
$110,119
2008
$1,486
$39,196 + $71,185
$110,381
Tax history for 3489 St Marys Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,023 (+11.1%)
$51,476 + $93,495
$144,971
2024
$3,620 (+2.3%)
$50,467 + $91,662
$142,129
2023
$3,539 (+1.6%)
$49,478 + $89,865
$139,343
2022
$3,481 (+2.9%)
$48,508 + $88,103
$136,611
2021
$3,383 (−42.2%)
$47,557 + $86,376
$133,933
2020
$5,857 (+191.0%)
$46,625 + $84,683
$131,308
2019
$2,013 (+4.2%)
$46,147 + $83,815
$129,962
2018
$1,932 (+3.3%)
$45,243 + $82,172
$127,415
2017
$1,871 (+3.4%)
$43,487 + $78,982
$122,469
2016
$1,810 (+3.8%)
$43,487 + $78,982
$122,469
2015
$1,743 (+2.4%)
$42,635 + $77,434
$120,069
2014
$1,702 (+2.7%)
$41,173 + $74,777
$115,950
2013
$1,657 (+4.5%)
$41,173 + $74,777
$115,950
2012
$1,586 (+3.1%)
$40,987 + $74,440
$115,427
2011
$1,539 (+2.5%)
$40,184 + $72,981
$113,165
2010
$1,502 (−0.4%)
$39,397 + $71,550
$110,947
2009
$1,508 (+1.5%)
$39,103 + $71,016
$110,119
2008
$1,486
$39,196 + $71,185
$110,381
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 20, 2025 • Final
Building/residential/r/adu-2nd unit
Convert the lower level of a home into an accessory dwelling unit and construct a new covered front porch.
ADU
Feb 7, 2024 • Final
Building - residential solar photovoltaic
Install a new roof-mounted photovoltaic system with a backup battery. The project includes de-rating the main electrical breaker and installing solar modules.
Battery
Electrical
Solar
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: 6
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: LAFAYETTE HOMELAND
Living Sq. Ft: 1,638
Ground Floor Sq. Ft: 1,638
Building Sq. Ft: 1,638
# of Stories: 1
Legal Description: LAFAYETTE HOMELAND #2 LOT 37
Parking & Garage Information
Garage/Parking Sq. Ft: 247
Lot Information
# of Buildings: 1
Land Sq. Ft: 18,700
Legal Lot Number: 37
Acres: 0.4293
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,638
Stories: 1.0
Lot Size: 0.43 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: 1958
County: Contra Costa County
APN: 2390310114
Home facts updated by county records on Aug 25, 2026
Around this home
Schools
Lafayette Elementary School
Public K-5 • Assigned • 0.3mi
9/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 0.1mi
8/10
Acalanes High School
Public 9-12 • Assigned • 1.7mi
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
0.46% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° 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
$1.54M – $1.87M
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