106 Neptune Pl is a 1,310 square foot house on a 5,400 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on May 28, 2014 for $600,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,048,403.
Single-familyProperty Type
1963Year Built
5,400 sq ftLot Size
$800Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$1,048,403
$448K since sold in May 2014$6,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.7% higher than the average sale price ($1.04M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11120492
Dec 5, 2001
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$7,209 (+3.3%)
$275,964 + $301,623
$577,587
2025
$6,979 (+2.0%)
$275,964 + $301,623
$577,587
2024
$6,842 (+1.7%)
$270,553 + $295,709
$566,262
2023
$6,728 (+0.7%)
$265,249 + $289,911
$555,160
2022
$6,680 (+2.0%)
$260,049 + $284,227
$544,276
2021
$6,551 (+0.7%)
$254,950 + $278,654
$533,604
2020
$6,503 (+1.4%)
$249,951 + $273,191
$523,142
2019
$6,413 (+3.8%)
$247,389 + $270,390
$517,779
2018
$6,177 (+3.7%)
$242,539 + $265,089
$507,628
2017
$5,955 (+1.3%)
$233,122 + $254,797
$487,919
2016
$5,877 (+0.9%)
$233,122 + $254,797
$487,919
2015
$5,822 (+25.9%)
$228,551 + $249,801
$478,352
2014
$4,624 (+9.7%)
$228,967 + $150,634
$379,601
2013
$4,214 (+11.0%)
$228,967 + $150,634
$379,601
2012
$3,797
$208,096 + $136,904
$345,000
2011
$3,794 (−10.8%)
$187,287 + $123,213
$310,500
2010
$4,254 (+0.6%)
$187,287 + $123,213
$310,500
2009
$4,229 (+1.5%)
$215,033 + $141,467
$356,500
2008
$4,165
$215,033 + $141,467
$356,500
Tax history for 106 Neptune Pl
Year
Property tax
Land + Additions
Assessment*
2026
$7,209 (+3.3%)
$275,964 + $301,623
$577,587
2025
$6,979 (+2.0%)
$275,964 + $301,623
$577,587
2024
$6,842 (+1.7%)
$270,553 + $295,709
$566,262
2023
$6,728 (+0.7%)
$265,249 + $289,911
$555,160
2022
$6,680 (+2.0%)
$260,049 + $284,227
$544,276
2021
$6,551 (+0.7%)
$254,950 + $278,654
$533,604
2020
$6,503 (+1.4%)
$249,951 + $273,191
$523,142
2019
$6,413 (+3.8%)
$247,389 + $270,390
$517,779
2018
$6,177 (+3.7%)
$242,539 + $265,089
$507,628
2017
$5,955 (+1.3%)
$233,122 + $254,797
$487,919
2016
$5,877 (+0.9%)
$233,122 + $254,797
$487,919
2015
$5,822 (+25.9%)
$228,551 + $249,801
$478,352
2014
$4,624 (+9.7%)
$228,967 + $150,634
$379,601
2013
$4,214 (+11.0%)
$228,967 + $150,634
$379,601
2012
$3,797
$208,096 + $136,904
$345,000
2011
$3,794 (−10.8%)
$187,287 + $123,213
$310,500
2010
$4,254 (+0.6%)
$187,287 + $123,213
$310,500
2009
$4,229 (+1.5%)
$215,033 + $141,467
$356,500
2008
$4,165
$215,033 + $141,467
$356,500
*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-6
SH
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.
Zone overlays
Senior Housing Overlay Zone
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Jan 26, 2015 • Final
Miscellaneous - re-roof
Roofing
Nov 9, 2010 • Final
Water heater/softener - plumbing
Plumbing
Water heater
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: SUBDIVISION 3024
Living Sq. Ft: 1,310
Ground Floor Sq. Ft: 1,310
Building Sq. Ft: 1,310
# of Stories: 1
Legal Description: TRACT 3024 LOT 113 EX 1/2 MR
Parking & Garage Information
Garage/Parking Sq. Ft: 294
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,400
Legal Lot Number: 113
Acres: 0.124
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,310
Stories: 1.0
Lot Size: 5,400 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1975
County: Contra Costa County
APN: 2102410574
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 • 0.9mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.1mi
10/10
California High School
Public 9-12 • Assigned • 1.7mi
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...