Contra Costa County property record for 4880 Cornflower St, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,755 sqft · built 2015 |
| Lot Size | 0.103 acres (4,481 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,089,000 (Jul 2018) |
| Tax Bill | $16,325 (2025) |
| Deeds & Mortgages | Mar 2026 Transfer Apr 2021 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 222-540-015-5 |
| Primary APN | 222-540-015-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,755 sqft Living Area |
| 1st Floor Area | 1,044 sqft |
| 2nd Floor Area | 711 sqft |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Cluster |
| Lot Area | 4,481 sqft (0.103 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4880 CORNFLOWER ST |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5406 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9165 L15 |
| Legal Subdivision | GALE RANCH SUB 9165 |
| Legal Tract | 9165 |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 355115 |
4880 Cornflower St is owner-occupied and held in a trust since February 2026.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Living Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 3, 2026 | Intrafamily Transfer, Transfer |
| Apr 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Feb 19, 2020 | Deed of Trust, Mortgage · Conventional Mortgage HOMEPLUS CORP |
| Jul 6, 2018 | Grant Deed, Transfer · Conventional Mortgage OLD REPUBLIC TITLE COMPANY |
| Feb 5, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 6, 2018 · Amount on File |
| Deed Sale | Jul 6, 2018 · Amount on File |
| Prior Sale | Oct 30, 2015 · Amount on File |
| Deed Document Number | 2018107672 |
| Last Transfer Date | Feb 18, 2026 |
| Transfer Doc | 0000020992 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 3, 2026 |
| Property Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000020992 |
| Map Reference | MB 512 PG 18 - 32 |
| Instrument Date | Feb 18, 2026 |
| Instrument | 2026- 020992 |
| Transaction Type | Transfer |
| Record Updated | Mar 12, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SPRUCE TITLE CO SANTA |
| Name | Verified Name |
|---|---|
| Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000113559 |
|---|---|
| Date | Apr 15, 2021 |
| Instrument | 2021-113559 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 238 Months |
| Due | Feb 1, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000039317 |
| Instrument Date | Feb 19, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Mar 6, 2020 |
| Title Company | STEWART TITLE, STEWART TITLE GUARANTY CO |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4880 CORNFLOWER ST SAN RAMON CA 945825406, SAN RAMON, CA 94582-5406 |
| Document Number | 0000039317 |
|---|---|
| Date | Mar 2, 2020 |
| Instrument | 39317 |
| Name | HOMEPLUS CORP |
|---|---|
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Mar 1, 2045 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 6, 2018 |
| Property Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000107672 |
| Map Reference | MB 512 PG 18-32 |
| Instrument Date | Jun 28, 2018 |
| Instrument | 2018-107672 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000107673 |
|---|---|
| Date | Jul 6, 2018 |
| Instrument | 2018-107673 |
| Type | Mortgage Company |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2048 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 5, 2018 |
| Property Address | 4880 CORNFLOWER ST, SAN RAMON, CA 94582-5406 |
| Document Number | 0000018148 |
| Instrument Date | Dec 21, 2017 |
| Instrument | 18148 |
| Transaction Type | Transfer |
| Record Updated | Feb 9, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 4880 CORNFLOWER ST SAN RAMON CA 945825406, SAN RAMON, CA 94582-5406 |
The 2025 property tax bill for 4880 Cornflower St was $16,325.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,239,090 (+2%) Land $796,478 Building $442,612 | |
| 2025 | $16,325.00 Homeowner's exemption | $1,214,795 Land $780,861 Building $433,934 |
| 2023 | $15,670.00 (+1.39%) Homeowner's exemption | $1,167,625 Land $750,540 Building $417,085 |
| 2022 | $15,455.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4880 Cornflower St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4880 Cornflower St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 713 locations within half a mile, as of December 31, 2025
| Provider | Max 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 |
| Sail Internet Fixed Wireless · DSL in parts of the area | 200 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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