18 Centennial Way is a 2,474 square foot house on a 5,706 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on August 20, 2009 for $629,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,498,849.
Single-familyProperty Type
1996Year Built
5,706 sq ftLot Size
$606Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,498,849
$870K since sold in August 2009$50K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.6% lower than the average sale price ($1.73M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40400988
Jul 22, 2009
Listing Removed
—
Jul 1, 2009
Listing Removed
—
Jun 14, 2009
Listing Removed
—
May 8, 2009
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40374163
Nov 12, 2008
Listing Removed
—
Public Records
May 13, 2003
Sold
$630,000
$255/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11173249
Mar 5, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11163196
Jan 26, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11172019
Jan 26, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11151331
Oct 27, 2002
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11147117
Aug 5, 2002
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11147082
Jul 9, 2002
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$10,002 (+3.2%)
$454,230 + $373,916
$828,146
2025
$9,688 (+2.2%)
$454,230 + $373,916
$828,146
2024
$9,483 (+1.8%)
$445,324 + $366,585
$811,909
2023
$9,316 (+0.7%)
$436,593 + $359,398
$795,991
2022
$9,248 (+2.0%)
$428,033 + $352,351
$780,384
2021
$9,067 (+0.7%)
$419,641 + $345,443
$765,084
2020
$9,006 (+1.4%)
$411,413 + $338,670
$750,083
2019
$8,885 (+3.8%)
$407,195 + $335,198
$742,393
2018
$8,559 (+3.8%)
$399,211 + $328,626
$727,837
2017
$8,244 (+1.4%)
$383,710 + $315,866
$699,576
2016
$8,134 (+1.2%)
$383,710 + $315,866
$699,576
2015
$8,041 (+1.2%)
$376,187 + $309,673
$685,860
2014
$7,948 (+1.0%)
$363,279 + $299,048
$662,327
2013
$7,870 (+2.8%)
$363,279 + $299,048
$662,327
2012
$7,657 (+1.7%)
$361,638 + $297,697
$659,335
2011
$7,528 (+1.4%)
$354,548 + $291,860
$646,408
2010
$7,426 (−4.6%)
$347,597 + $286,138
$633,735
2009
$7,784 (−2.5%)
$345,000 + $284,000
$629,000
2008
$7,983
$348,071 + $316,429
$664,500
Tax history for 18 Centennial Way
Year
Property tax
Land + Additions
Assessment*
2026
$10,002 (+3.2%)
$454,230 + $373,916
$828,146
2025
$9,688 (+2.2%)
$454,230 + $373,916
$828,146
2024
$9,483 (+1.8%)
$445,324 + $366,585
$811,909
2023
$9,316 (+0.7%)
$436,593 + $359,398
$795,991
2022
$9,248 (+2.0%)
$428,033 + $352,351
$780,384
2021
$9,067 (+0.7%)
$419,641 + $345,443
$765,084
2020
$9,006 (+1.4%)
$411,413 + $338,670
$750,083
2019
$8,885 (+3.8%)
$407,195 + $335,198
$742,393
2018
$8,559 (+3.8%)
$399,211 + $328,626
$727,837
2017
$8,244 (+1.4%)
$383,710 + $315,866
$699,576
2016
$8,134 (+1.2%)
$383,710 + $315,866
$699,576
2015
$8,041 (+1.2%)
$376,187 + $309,673
$685,860
2014
$7,948 (+1.0%)
$363,279 + $299,048
$662,327
2013
$7,870 (+2.8%)
$363,279 + $299,048
$662,327
2012
$7,657 (+1.7%)
$361,638 + $297,697
$659,335
2011
$7,528 (+1.4%)
$354,548 + $291,860
$646,408
2010
$7,426 (−4.6%)
$347,597 + $286,138
$633,735
2009
$7,784 (−2.5%)
$345,000 + $284,000
$629,000
2008
$7,983
$348,071 + $316,429
$664,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 13, 2025 • Final
Photovoltaic - electrical (solarapp)
Battery
Electrical
Solar
Nov 20, 2023 • 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
Room Information
# of Rooms: 11
Exterior
Property Information
Subdivision Name: SUBDIVISION 7781
Living Sq. Ft: 2,474
Ground Floor Sq. Ft: 1,310
Building Sq. Ft: 2,474
# of Stories: 2
Legal Description: T7781 L5
Parking & Garage Information
Garage/Parking Sq. Ft: 595
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,706
Legal Lot Number: 5
Acres: 0.131
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,474
Stories: 2.0
Lot Size: 5,706 square feet
Style: Single Family Residential
Year Built: 1996
Year Renovated: 1997
County: Contra Costa County
APN: 2110700057
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Neil A. Armstrong Elementary School
Public K-5 • Assigned • 0.6mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.0mi
10/10
California High School
Public 9-12 • Assigned • 0.7mi
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.