170 Mavis Pl is a 1,324 square foot house on a 7,000 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on August 24, 2020 for $950,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,292,053.
Single-familyProperty Type
1977Year Built
7,000 sq ftLot Size
$976Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,292,053
$342K since sold in August 2020$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.4% higher than the average sale price ($1.26M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40912115
Aug 26, 2020
Listing Removed
—
Public Records
Aug 24, 2020
Sold
$950,000
$718/sq ft
Public Records
Apr 13, 1978
Sold
$68,000
$51/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$12,598 (+3.2%)
$772,855 + $276,020
$1,048,875
2025
$12,205 (+2.1%)
$772,855 + $276,020
$1,048,875
2024
$11,954 (+1.6%)
$757,701 + $270,608
$1,028,309
2023
$11,762 (+0.8%)
$742,845 + $265,302
$1,008,147
2022
$11,674 (+2.2%)
$728,280 + $260,100
$988,380
2021
$11,423 (+309.2%)
$714,000 + $255,000
$969,000
2020
$2,792 (+0.9%)
$700,000 + $250,000
$950,000
2019
$2,767 (+3.9%)
$64,949 + $112,671
$177,620
2018
$2,663 (+4.1%)
$63,676 + $110,462
$174,138
2017
$2,559 (+2.3%)
$61,204 + $106,174
$167,378
2016
$2,501 (+2.2%)
$61,204 + $106,174
$167,378
2015
$2,448 (+2.2%)
$60,004 + $104,093
$164,097
2014
$2,395 (+2.2%)
$57,946 + $100,522
$158,468
2013
$2,344 (+3.7%)
$57,946 + $100,522
$158,468
2012
$2,260 (+2.8%)
$57,685 + $100,068
$157,753
2011
$2,199 (+2.2%)
$56,554 + $98,106
$154,660
2010
$2,152
$55,446 + $96,183
$151,629
2009
$2,153 (+5.0%)
$55,032 + $95,465
$150,497
2008
$2,050
$55,163 + $95,692
$150,855
Tax history for 170 Mavis Pl
Year
Property tax
Land + Additions
Assessment*
2026
$12,598 (+3.2%)
$772,855 + $276,020
$1,048,875
2025
$12,205 (+2.1%)
$772,855 + $276,020
$1,048,875
2024
$11,954 (+1.6%)
$757,701 + $270,608
$1,028,309
2023
$11,762 (+0.8%)
$742,845 + $265,302
$1,008,147
2022
$11,674 (+2.2%)
$728,280 + $260,100
$988,380
2021
$11,423 (+309.2%)
$714,000 + $255,000
$969,000
2020
$2,792 (+0.9%)
$700,000 + $250,000
$950,000
2019
$2,767 (+3.9%)
$64,949 + $112,671
$177,620
2018
$2,663 (+4.1%)
$63,676 + $110,462
$174,138
2017
$2,559 (+2.3%)
$61,204 + $106,174
$167,378
2016
$2,501 (+2.2%)
$61,204 + $106,174
$167,378
2015
$2,448 (+2.2%)
$60,004 + $104,093
$164,097
2014
$2,395 (+2.2%)
$57,946 + $100,522
$158,468
2013
$2,344 (+3.7%)
$57,946 + $100,522
$158,468
2012
$2,260 (+2.8%)
$57,685 + $100,068
$157,753
2011
$2,199 (+2.2%)
$56,554 + $98,106
$154,660
2010
$2,152
$55,446 + $96,183
$151,629
2009
$2,153 (+5.0%)
$55,032 + $95,465
$150,497
2008
$2,050
$55,163 + $95,692
$150,855
*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 2, 2007 • Final
Miscellaneous - re-roof
Roofing
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: 8
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Subdivision Name: SUBDIVISION 4171
Living Sq. Ft: 1,324
Ground Floor Sq. Ft: 1,324
Building Sq. Ft: 1,324
# of Stories: 1
Legal Description: TRACT 4171 LOT 115EX MR
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 470
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,000
Legal Lot Number: 115
Acres: 0.1607
Depth Footage: 100
Front Footage: 70
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,324
Stories: 1.0
Lot Size: 7,000 square feet
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1993
County: Contra Costa County
APN: 2122820331
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 • 0.5mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.9mi
10/10
California High School
Public 9-12 • Assigned • 0.2mi
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...