406 Oahu Ct is a 2,547 square foot house on a 0.3 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 05, 2012 for $780,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,708,034.
Single-familyProperty Type
1978Year Built
0.3 acresLot Size
$671Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,708,034
$928K since sold in November 2012$45K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.7% lower than the average sale price ($2.00M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40071791
Apr 14, 2005
Listing Removed
—
Public Records
Apr 7, 1989
Sold
$335,000
$132/sq ft
Public Records
Jan 21, 1987
Sold
$237,500
$93/sq ft
Public Records
Jan 26, 1979
Sold
$120,000
$47/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$11,920 (+3.2%)
$502,419 + $477,294
$979,713
2025
$11,551 (+2.8%)
$502,419 + $477,294
$979,713
2024
$11,234 (+1.2%)
$492,568 + $467,936
$960,504
2023
$11,102 (+0.7%)
$482,910 + $458,761
$941,671
2022
$11,020 (+1.7%)
$473,442 + $449,766
$923,208
2021
$10,833 (+1.0%)
$464,159 + $440,948
$905,107
2020
$10,721 (+1.1%)
$455,058 + $432,302
$887,360
2019
$10,605 (+3.8%)
$450,392 + $427,870
$878,262
2018
$10,215 (+3.7%)
$441,561 + $419,481
$861,042
2017
$9,846 (+1.3%)
$424,415 + $403,193
$827,608
2016
$9,722 (+1.3%)
$424,415 + $403,193
$827,608
2015
$9,598 (+2.2%)
$416,094 + $395,288
$811,382
2014
$9,391 (+1.2%)
$401,816 + $381,725
$783,541
2013
$9,277 (+9.2%)
$401,816 + $381,725
$783,541
2012
$8,492 (+0.1%)
$400,000 + $380,000
$780,000
2011
$8,484 (−5.1%)
$349,297 + $368,703
$718,000
2010
$8,943 (+0.1%)
$349,297 + $368,703
$718,000
2009
$8,933 (−8.4%)
$372,163 + $392,837
$765,000
2008
$9,753
$372,163 + $392,837
$765,000
Tax history for 406 Oahu Ct
Year
Property tax
Land + Additions
Assessment*
2026
$11,920 (+3.2%)
$502,419 + $477,294
$979,713
2025
$11,551 (+2.8%)
$502,419 + $477,294
$979,713
2024
$11,234 (+1.2%)
$492,568 + $467,936
$960,504
2023
$11,102 (+0.7%)
$482,910 + $458,761
$941,671
2022
$11,020 (+1.7%)
$473,442 + $449,766
$923,208
2021
$10,833 (+1.0%)
$464,159 + $440,948
$905,107
2020
$10,721 (+1.1%)
$455,058 + $432,302
$887,360
2019
$10,605 (+3.8%)
$450,392 + $427,870
$878,262
2018
$10,215 (+3.7%)
$441,561 + $419,481
$861,042
2017
$9,846 (+1.3%)
$424,415 + $403,193
$827,608
2016
$9,722 (+1.3%)
$424,415 + $403,193
$827,608
2015
$9,598 (+2.2%)
$416,094 + $395,288
$811,382
2014
$9,391 (+1.2%)
$401,816 + $381,725
$783,541
2013
$9,277 (+9.2%)
$401,816 + $381,725
$783,541
2012
$8,492 (+0.1%)
$400,000 + $380,000
$780,000
2011
$8,484 (−5.1%)
$349,297 + $368,703
$718,000
2010
$8,943 (+0.1%)
$349,297 + $368,703
$718,000
2009
$8,933 (−8.4%)
$372,163 + $392,837
$765,000
2008
$9,753
$372,163 + $392,837
$765,000
*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-10
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
Dec 12, 2023 • Final
Miscellaneous - re-roof
Roofing
Oct 2, 2023 • Final
Furnace a/c - mechanical (residential)
HVAC
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 Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 11
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Construction Quality: Average
Exterior Wall: Stucco
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,547
Ground Floor Sq. Ft: 1,667
Building Sq. Ft: 3,192
# of Stories: 2
Legal Description: T04904 L0082 B EX 1/2 MR
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 645
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,000
Legal Lot Number: 82
Acres: 0.2984
County Use Description: SINGLE FAMILY DETACHED WITH MA
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,547
Stories: 2.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1984
County: Contra Costa County
APN: 2131500247
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Golden View Elementary School
Public K-5 • Assigned • 1.1mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 0.6mi
10/10
California High School
Public 9-12 • Assigned • 2.4mi
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...