1. Home
  2. California
  3. Contra Costa County
  4. San Ramon
  5. Cornflower St

4848 Cornflower St, San Ramon, CA 94582 Property Records

Contra Costa County property record for 4848 Cornflower St, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details4 bd · 3.5 ba · 2,545 sqft · built 2015
Lot Size0.079 acres (3,454 sqft)
Owner2 Trust Names on File
Last Sale$1,810,000 (Mar 2023)
Tax Bill$23,636 (2025)
Deeds & MortgagesMar 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN222-540-007-2

Property Details

APN / Parcel Number

Primary APN222-540-007-2
Alternative APN
  • 222-540-007

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories2 Stories
Building Area2,545 sqft Living Area
1st Floor Area1,080 sqft
2nd Floor Area1,465 sqft

Exterior

Year BuiltBuilt 2015
Effective Year BuiltEffective 2015
Architectural StyleCluster
Lot Area3,454 sqft (0.079 acres)
Garage TypeAttached
Garage Area425 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4848 CORNFLOWER ST
CitySAN RAMON
StateCA
Zip94582-5406
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9165 L7
Legal SubdivisionSUBDIVISION 9165 GALE RANCH
Legal Tract9165
Legal Lot Number7
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group3
Census Block3024
Census Tract355115

Owner

4848 Cornflower St is owner-occupied and held in a trust since December 2024.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Trust Names on File
Mailing Address4848 CORNFLOWER ST, SAN RAMON, CA 94582-5406
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 1, 2023 · Amount on File
Deed SaleMar 1, 2023 · Amount on File
Prior SaleDec 30, 2015 · Amount on File
Deed Document Number202318741
Last Transfer DateDec 13, 2024
Transfer Doc0000005450
Record UpdatedSep 20, 2026

March 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 1, 2023
Property Address4848 CORNFLOWER ST, SAN RAMON, CA 94582-5406
Document Number0000018741
Map ReferenceMB 512 PG 18-32
Instrument DateFeb 14, 2023
Instrument2023-018741
Transaction TypeTransfer
Record UpdatedMar 10, 2023
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address4848 CORNFLOWER ST, SAN RAMON, CA 94582-5406

Mortgage

Document Number0000018742
DateMar 1, 2023
Instrument2023-018742
Lender
NameBANK OF AMERICA NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2053
Interest
Rate TypeAdjustable Rate
Rate4.12%
Type Change DateApr 1, 2033
Change Frequency6 Months
Min Rate At Change2.5%
Max Rate At Change9.12%
Index1-Year T-Bill
Max Rate9.12%

Tax Assessment & Valuation

The 2025 property tax bill for 4848 Cornflower St was $23,636.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalitySan Ramon City
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,920,785 (+2%) Land $1,273,449 Building $647,336
2025$23,636.00$1,883,124 Land $1,248,480 Building $634,644
2023$16,865.00 (+1.33%)$1,270,494 Land $796,478 Building $474,016
2022$16,643.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 4848 Cornflower St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 4848 Cornflower St is low, with a 0.03% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 95% of the US · lower than 97% of California
Wildfire Likelihood0.03% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemDUBLIN SAN RAMON SERVICES DISTRICT
serves 98,776 people · EPA ID CA0110009
Water SourcePurchased surface water from ZONE 7 WATER AGENCY
Last State InspectionSep 2024
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 534 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 2,000
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Sail Internet.

Nearby Properties on Cornflower St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures