400 Sunnyside Pl is a 3,002 square foot house on a 9,070 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on April 07, 2000 for $760,000. Based on Redfin's San Ramon data, we estimate the home's value is $2,240,602.
Single-familyProperty Type
1995Year Built
9,070 sq ftLot Size
$746Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$2,240,602
$1.5M since sold in April 2000$50K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.4% higher than the average sale price ($1.96M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11042543
Feb 21, 2000
Listing Removed
—
Public Records
May 29, 1997
Sold
$502,000
$167/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$14,238 (+3.2%)
$362,131 + $829,316
$1,191,447
2025
$13,799 (+2.2%)
$362,131 + $829,316
$1,191,447
2024
$13,502 (+1.6%)
$355,031 + $813,055
$1,168,086
2023
$13,296 (+1.1%)
$348,070 + $797,113
$1,145,183
2022
$13,151 (+1.8%)
$341,246 + $781,484
$1,122,730
2021
$12,913 (+0.4%)
$334,555 + $766,161
$1,100,716
2020
$12,864 (+1.0%)
$327,996 + $751,139
$1,079,135
2019
$12,731 (+3.7%)
$324,633 + $743,437
$1,068,070
2018
$12,272 (+3.6%)
$318,268 + $728,860
$1,047,128
2017
$11,845 (+1.1%)
$305,910 + $700,558
$1,006,468
2016
$11,714 (+1.0%)
$305,910 + $700,558
$1,006,468
2015
$11,602 (+1.1%)
$299,912 + $686,822
$986,734
2014
$11,473 (+0.9%)
$289,622 + $663,255
$952,877
2013
$11,366 (+10.1%)
$289,622 + $663,255
$952,877
2012
$10,324 (−3.4%)
$288,314 + $660,258
$948,572
2011
$10,684 (+0.5%)
$262,001 + $599,999
$862,000
2010
$10,626 (+0.3%)
$271,576 + $621,924
$893,500
2009
$10,595 (+1.9%)
$271,576 + $621,924
$893,500
2008
$10,400
$271,575 + $621,925
$893,500
Tax history for 400 Sunnyside Pl
Year
Property tax
Land + Additions
Assessment*
2026
$14,238 (+3.2%)
$362,131 + $829,316
$1,191,447
2025
$13,799 (+2.2%)
$362,131 + $829,316
$1,191,447
2024
$13,502 (+1.6%)
$355,031 + $813,055
$1,168,086
2023
$13,296 (+1.1%)
$348,070 + $797,113
$1,145,183
2022
$13,151 (+1.8%)
$341,246 + $781,484
$1,122,730
2021
$12,913 (+0.4%)
$334,555 + $766,161
$1,100,716
2020
$12,864 (+1.0%)
$327,996 + $751,139
$1,079,135
2019
$12,731 (+3.7%)
$324,633 + $743,437
$1,068,070
2018
$12,272 (+3.6%)
$318,268 + $728,860
$1,047,128
2017
$11,845 (+1.1%)
$305,910 + $700,558
$1,006,468
2016
$11,714 (+1.0%)
$305,910 + $700,558
$1,006,468
2015
$11,602 (+1.1%)
$299,912 + $686,822
$986,734
2014
$11,473 (+0.9%)
$289,622 + $663,255
$952,877
2013
$11,366 (+10.1%)
$289,622 + $663,255
$952,877
2012
$10,324 (−3.4%)
$288,314 + $660,258
$948,572
2011
$10,684 (+0.5%)
$262,001 + $599,999
$862,000
2010
$10,626 (+0.3%)
$271,576 + $621,924
$893,500
2009
$10,595 (+1.9%)
$271,576 + $621,924
$893,500
2008
$10,400
$271,575 + $621,925
$893,500
*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
Jun 3, 2026 • Final
Miscellaneous - re-roof
Roofing
Aug 12, 1993 • Final
New construction - building residential
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: 9
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 7038
Living Sq. Ft: 3,002
Ground Floor Sq. Ft: 1,713
Building Sq. Ft: 3,002
# of Stories: 2
Legal Description: T7038 L31
Parking & Garage Information
Garage/Parking Sq. Ft: 630
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,070
Legal Lot Number: 31
Acres: 0.2082
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,002
Stories: 2.0
Lot Size: 9,070 square feet
Style: Single Family Residential
Year Built: 1995
Year Renovated: 1995
County: Contra Costa County
APN: 2107810281
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Country Club Elementary School
Public K-5 • Assigned • 1.4mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.3mi
10/10
California High School
Public 9-12 • Assigned • 1.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon remains competitive, with homes averaging 1 offer and selling in 29 days. Median price is $1.4M (+2.8%), while price per sq. ft. is $677 (-1.2%). Buyers have negotiation opportunities; sellers should price strategically.
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...