620 San Tomas Pl is a 1,933 square foot house on a 6,440 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on May 25, 2006 for $837,500. Based on Redfin's San Ramon data, we estimate the home's value is $1,442,516.
Single-familyProperty Type
1984Year Built
6,440 sq ftLot Size
$746Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,442,516
$605K since sold in May 2006$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7% higher than the average sale price ($1.35M) of 5 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40153398
Apr 23, 2006
Listing Removed
—
Public Records
Jul 2, 1999
Sold
$400,000
$207/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11017138
Jun 4, 1999
Listing Removed
—
Public Records
Dec 28, 1995
Sold
$303,000
$157/sq ft
Public Records
May 27, 1988
Sold
$237,500
$123/sq ft
Public Records
Nov 5, 1984
Sold
$183,500
$95/sq ft
Public Records
Dec 1, 1978
Sold
$686,500
$355/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$10,051 (+3.2%)
$565,220 + $251,207
$816,427
2025
$9,738 (+2.1%)
$565,220 + $251,207
$816,427
2024
$9,535 (+1.7%)
$554,138 + $246,282
$800,420
2023
$9,378 (+0.8%)
$543,273 + $241,453
$784,726
2022
$9,308 (+2.2%)
$532,621 + $236,719
$769,340
2021
$9,106 (+1.2%)
$522,178 + $232,078
$754,256
2020
$9,002 (+1.1%)
$511,940 + $227,528
$739,468
2019
$8,905 (+3.9%)
$506,691 + $225,195
$731,886
2018
$8,574 (+3.8%)
$496,756 + $220,780
$717,536
2017
$8,260 (+1.4%)
$477,467 + $212,207
$689,674
2016
$8,150 (+1.4%)
$477,467 + $212,207
$689,674
2015
$8,041 (+1.4%)
$468,105 + $208,047
$676,152
2014
$7,927 (+0.7%)
$452,043 + $200,908
$652,951
2013
$7,870 (+6.8%)
$452,043 + $200,908
$652,951
2012
$7,369 (+0.2%)
$413,875 + $240,125
$654,000
2011
$7,357 (+0.7%)
$390,460 + $226,540
$617,000
2010
$7,308 (−5.2%)
$390,460 + $226,540
$617,000
2009
$7,708 (−8.9%)
$390,460 + $226,540
$617,000
2008
$8,463
$414,191 + $240,309
$654,500
Tax history for 620 San Tomas Pl
Year
Property tax
Land + Additions
Assessment*
2026
$10,051 (+3.2%)
$565,220 + $251,207
$816,427
2025
$9,738 (+2.1%)
$565,220 + $251,207
$816,427
2024
$9,535 (+1.7%)
$554,138 + $246,282
$800,420
2023
$9,378 (+0.8%)
$543,273 + $241,453
$784,726
2022
$9,308 (+2.2%)
$532,621 + $236,719
$769,340
2021
$9,106 (+1.2%)
$522,178 + $232,078
$754,256
2020
$9,002 (+1.1%)
$511,940 + $227,528
$739,468
2019
$8,905 (+3.9%)
$506,691 + $225,195
$731,886
2018
$8,574 (+3.8%)
$496,756 + $220,780
$717,536
2017
$8,260 (+1.4%)
$477,467 + $212,207
$689,674
2016
$8,150 (+1.4%)
$477,467 + $212,207
$689,674
2015
$8,041 (+1.4%)
$468,105 + $208,047
$676,152
2014
$7,927 (+0.7%)
$452,043 + $200,908
$652,951
2013
$7,870 (+6.8%)
$452,043 + $200,908
$652,951
2012
$7,369 (+0.2%)
$413,875 + $240,125
$654,000
2011
$7,357 (+0.7%)
$390,460 + $226,540
$617,000
2010
$7,308 (−5.2%)
$390,460 + $226,540
$617,000
2009
$7,708 (−8.9%)
$390,460 + $226,540
$617,000
2008
$8,463
$414,191 + $240,309
$654,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-7
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
Dec 4, 1995 • Final
Alteration, remodel, repair - building residential
Remodel
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
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Conventional
Building Construction Quality: Good
Exterior Wall: Wood Siding
Property Information
Subdivision Name: SUBDIVISION 3485
Living Sq. Ft: 1,933
Ground Floor Sq. Ft: 1,933
Building Sq. Ft: 1,933
# of Stories: 1
Legal Description: T03845 L0121 B EX MR
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 480
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,440
Legal Lot Number: 121
Acres: 0.1478
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,933
Stories: 1.0
Lot Size: 6,440 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1985
County: Contra Costa County
APN: 2122920404
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Montevideo Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.0mi
10/10
California High School
Public 9-12 • Assigned • 0.4mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...