3040 Sonsilla Ln is a 2,125 square foot house on a 2,199 square foot lot with 3 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,412,280.
Single-familyProperty Type
2016Year Built
2,199 sq ftLot Size
$665Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,412,280
$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.1% lower than the average sale price ($1.50M) of 6 comparable homes.
Move in ready home with upgraded features. This multi level home has a big loft /bonus room on the last floor with lots of storage spaces.
10 years ago• May not reflect the current state of the home
Patience Ofodu
Redfin Associate agent
Sale history for 3040 Sonsilla Ln
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML81746788
Sep 2, 2021
Listing Removed
—
May 10, 2019
Listing Removed
—
Apr 11, 2019
Listed
$1,039,000
$489/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40881820
Nov 30, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40861011
May 10, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40851482
Apr 8, 2019
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$13,891 (+3.0%)
$663,732 + $479,670
$1,143,402
2025
$13,488 (+2.3%)
$663,732 + $479,670
$1,143,402
2024
$13,180 (+1.3%)
$650,718 + $470,265
$1,120,983
2023
$13,013 (+0.8%)
$637,959 + $461,045
$1,099,004
2022
$12,906 (+2.8%)
$625,450 + $452,005
$1,077,455
2021
$12,560 (−9.8%)
$613,187 + $443,143
$1,056,330
2020
$13,922 (+1.6%)
$601,164 + $434,454
$1,035,618
2019
$13,705 (+3.9%)
$623,671 + $399,756
$1,023,427
2018
$13,194 (+49.1%)
$611,443 + $391,918
$1,003,361
2017
$8,850 (+85.4%)
$258,283 + $340,000
$598,283
2016
$4,774
$258,283 + $340,000
$598,283
Tax history for 3040 Sonsilla Ln
Year
Property tax
Land + Additions
Assessment*
2026
$13,891 (+3.0%)
$663,732 + $479,670
$1,143,402
2025
$13,488 (+2.3%)
$663,732 + $479,670
$1,143,402
2024
$13,180 (+1.3%)
$650,718 + $470,265
$1,120,983
2023
$13,013 (+0.8%)
$637,959 + $461,045
$1,099,004
2022
$12,906 (+2.8%)
$625,450 + $452,005
$1,077,455
2021
$12,560 (−9.8%)
$613,187 + $443,143
$1,056,330
2020
$13,922 (+1.6%)
$601,164 + $434,454
$1,035,618
2019
$13,705 (+3.9%)
$623,671 + $399,756
$1,023,427
2018
$13,194 (+49.1%)
$611,443 + $391,918
$1,003,361
2017
$8,850 (+85.4%)
$258,283 + $340,000
$598,283
2016
$4,774
$258,283 + $340,000
$598,283
*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
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
Mar 17, 2021 • Final
Photovoltaic - electrical
Electrical
Solar
Oct 4, 2016 • Final
Building/residential/r/new single family-duplex
Construct a new single-family home.
New construction
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: 8
Exterior
Property Information
Subdivision Name: SUBDIVISION 9302
Living Sq. Ft: 2,125
Ground Floor Sq. Ft: 601
Building Sq. Ft: 2,125
# of Stories: 2
Legal Description: T9302 L100
Parking & Garage Information
Garage/Parking Sq. Ft: 450
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,199
Legal Lot Number: 100
Acres: 0.0505
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,125
Stories: 2.0
Lot Size: 2,199 square feet
Style: Single Family Residential
Year Built: 2016
Year Renovated: 2017
County: Contra Costa County
APN: 2227500523
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Quail Run Elementary School
Public K-5 • Assigned • 0.3mi
8/10
Gale Ranch Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Dougherty Valley High School
Public 9-12 • Assigned • 0.9mi
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...