143 Neptune Pl is a 960 square foot house on a 5,950 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on September 12, 2003 for $333,000. Based on Redfin's San Ramon data, we estimate the home's value is $864,466.
Single-familyProperty Type
1963Year Built
5,950 sq ftLot Size
$900Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$864,466
$531K since sold in September 2003$6,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.2% lower than the average sale price ($1.04M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10593624
Jun 11, 1997
Listing Removed
—
May 14, 1997
Sold
$151,000
$157/sq ft
May 1, 1997
Listed
$159,000
$166/sq ft
55 YEAR AGE REQUIREMENT.EWOOF. ATH ROOMS NEW ROOF.BATHROOMS REMODELED. LOTS OF CACTUS. ENCLOSED PATIO
Year
Property tax
Land + Additions
Assessment*
2025
$5,755 (+2.1%)
$304,539 + $178,366
$482,905
2024
$5,637 (+1.8%)
$298,568 + $174,869
$473,437
2023
$5,537 (+0.8%)
$292,714 + $171,441
$464,155
2022
$5,495 (+2.0%)
$286,975 + $168,080
$455,055
2021
$5,386 (+0.8%)
$281,349 + $164,785
$446,134
2020
$5,343 (+1.5%)
$275,833 + $161,554
$437,387
2019
$5,263 (+3.9%)
$273,005 + $159,898
$432,903
2018
$5,063 (+3.9%)
$267,652 + $156,763
$424,415
2017
$4,874 (+1.5%)
$257,259 + $150,677
$407,936
2016
$4,803 (+1.0%)
$257,259 + $150,677
$407,936
2015
$4,757 (+1.3%)
$252,215 + $147,723
$399,938
2014
$4,697 (+18.3%)
$243,561 + $142,655
$386,216
2013
$3,972 (+25.5%)
$243,561 + $142,655
$386,216
2012
$3,165 (−11.6%)
$230,000 + $93,000
$323,000
2011
$3,581 (−11.3%)
$159,235 + $93,265
$252,500
2010
$4,037 (+7.8%)
$183,514 + $107,486
$291,000
2009
$3,745 (−11.5%)
$212,208 + $124,292
$336,500
2008
$4,232
$196,757 + $115,243
$312,000
Tax history for 143 Neptune Pl
Year
Property tax
Land + Additions
Assessment*
2025
$5,755 (+2.1%)
$304,539 + $178,366
$482,905
2024
$5,637 (+1.8%)
$298,568 + $174,869
$473,437
2023
$5,537 (+0.8%)
$292,714 + $171,441
$464,155
2022
$5,495 (+2.0%)
$286,975 + $168,080
$455,055
2021
$5,386 (+0.8%)
$281,349 + $164,785
$446,134
2020
$5,343 (+1.5%)
$275,833 + $161,554
$437,387
2019
$5,263 (+3.9%)
$273,005 + $159,898
$432,903
2018
$5,063 (+3.9%)
$267,652 + $156,763
$424,415
2017
$4,874 (+1.5%)
$257,259 + $150,677
$407,936
2016
$4,803 (+1.0%)
$257,259 + $150,677
$407,936
2015
$4,757 (+1.3%)
$252,215 + $147,723
$399,938
2014
$4,697 (+18.3%)
$243,561 + $142,655
$386,216
2013
$3,972 (+25.5%)
$243,561 + $142,655
$386,216
2012
$3,165 (−11.6%)
$230,000 + $93,000
$323,000
2011
$3,581 (−11.3%)
$159,235 + $93,265
$252,500
2010
$4,037 (+7.8%)
$183,514 + $107,486
$291,000
2009
$3,745 (−11.5%)
$212,208 + $124,292
$336,500
2008
$4,232
$196,757 + $115,243
$312,000
*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
Mar 3, 2014 • Final
Miscellaneous - electrical
Electrical
Dec 19, 2011 • Final
Photovoltaic - electrical
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Living Sq. Ft: 960
Ground Floor Sq. Ft: 960
Building Sq. Ft: 1,222
# of Stories: 1
Legal Description: TRACT 3024 LOT 104 EX 1/2 MR
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 262
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,950
Legal Lot Number: 104
Acres: 0.1366
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 960
Stories: 1.0
Lot Size: 5,950 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Contra Costa County
APN: 2102410483
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
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
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