2909 Langhorne Dr is a 2,520 square foot house on a 3,903 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,651,676.
Single-familyProperty Type
2003Year Built
3,903 sq ftLot Size
$655Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,651,676
$14K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.4% lower than the average sale price ($1.71M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$15,385
$543,829 + $500,900
$1,044,729
2024
$15,378 (+1.5%)
$533,166 + $491,079
$1,024,245
2023
$15,156 (+1.9%)
$522,712 + $481,450
$1,004,162
2022
$14,878 (+2.4%)
$512,463 + $472,010
$984,473
2021
$14,528 (+1.1%)
$502,415 + $462,755
$965,170
2020
$14,364 (+1.4%)
$492,564 + $453,682
$946,246
2019
$14,169 (+3.3%)
$487,514 + $449,031
$936,545
2018
$13,711 (+1.7%)
$477,955 + $440,227
$918,182
2017
$13,487 (+0.9%)
$459,397 + $423,134
$882,531
2016
$13,364 (+1.4%)
$459,397 + $423,134
$882,531
2015
$13,176 (+1.0%)
$450,390 + $414,838
$865,228
2014
$13,042 (+8.7%)
$434,935 + $400,603
$835,538
2013
$12,003 (+1.4%)
$434,935 + $400,603
$835,538
2012
$11,832 (+8.5%)
$390,929 + $360,071
$751,000
2011
$10,903 (−2.0%)
$390,929 + $360,071
$751,000
2010
$11,125 (+0.3%)
$348,765 + $321,235
$670,000
2009
$11,094 (−5.4%)
$364,382 + $335,618
$700,000
2008
$11,726
$364,382 + $335,618
$700,000
Tax history for 2909 Langhorne Dr
Year
Property tax
Land + Additions
Assessment*
2025
$15,385
$543,829 + $500,900
$1,044,729
2024
$15,378 (+1.5%)
$533,166 + $491,079
$1,024,245
2023
$15,156 (+1.9%)
$522,712 + $481,450
$1,004,162
2022
$14,878 (+2.4%)
$512,463 + $472,010
$984,473
2021
$14,528 (+1.1%)
$502,415 + $462,755
$965,170
2020
$14,364 (+1.4%)
$492,564 + $453,682
$946,246
2019
$14,169 (+3.3%)
$487,514 + $449,031
$936,545
2018
$13,711 (+1.7%)
$477,955 + $440,227
$918,182
2017
$13,487 (+0.9%)
$459,397 + $423,134
$882,531
2016
$13,364 (+1.4%)
$459,397 + $423,134
$882,531
2015
$13,176 (+1.0%)
$450,390 + $414,838
$865,228
2014
$13,042 (+8.7%)
$434,935 + $400,603
$835,538
2013
$12,003 (+1.4%)
$434,935 + $400,603
$835,538
2012
$11,832 (+8.5%)
$390,929 + $360,071
$751,000
2011
$10,903 (−2.0%)
$390,929 + $360,071
$751,000
2010
$11,125 (+0.3%)
$348,765 + $321,235
$670,000
2009
$11,094 (−5.4%)
$364,382 + $335,618
$700,000
2008
$11,726
$364,382 + $335,618
$700,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
PD
DVSP
Planned Development Zone
The PD zone is applied to large parcels of land in order to reduce or eliminate the rigidity, delays, and conflicts that otherwise would result from application of zoning standards and procedures designed primarily for small parcels, and to: Ensure orderly and thorough planning and review procedures that will result in quality urban design; Encourage variety and avoid monotony in large developments by allowing greater freedom in selecting the means to provide access, light, open space, and amenity; Provide a mechanism whereby the City may authorize desirable developments consistent with the General Plan without inviting speculative rezoning applications, which, if granted, often could deprive other owners of development opportunities without resulting in construction of the proposed facilities; Encourage allocation and improvement of common open space in residential areas, and provide for open space maintenance at the expense of those who will directly benefit from it; and Encourage the assembly of properties that might otherwise be developed in unrelated increments to the detriment of surrounding neighborhoods. Building intensity may be up to the maximum required by the General Plan land use classification applicable to the site. The PD zone is consistent with and implements all land use classifications of the General Plan.
Zone overlays
Dougherty Valley Specific Plan
Property details
Interior
Room Information
# of Rooms: 8
Exterior
Property Information
Subdivision Name: SUBDIVISION 8157
Living Sq. Ft: 2,520
Ground Floor Sq. Ft: 1,299
Building Sq. Ft: 2,520
# of Stories: 2
Legal Description: T8157 L467
Parking & Garage Information
Garage/Parking Sq. Ft: 448
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,903
Legal Lot Number: 467
Acres: 0.0896
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,520
Stories: 2.0
Lot Size: 3,903 square feet
Style: Single Family Residential
Year Built: 2003
Year Renovated: 2003
County: Contra Costa County
APN: 2231900032
Home facts updated by county records on Oct 10, 2026
Around this home
Schools
Hidden Hills Elementary School
Public K-5 • Assigned • 0.6mi
9/10
Windemere Ranch Middle School
Public 6-8 • Assigned • 0.7mi
9/10
Dougherty Valley High School
Public 9-12 • Assigned • 0.6mi
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...