Yolo County property record for 3431 Koso St, Davis, CA 95618
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,048 sqft · built 1997 |
| Lot Size | 0.123 acres (5,341 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $516,909 (Jul 2007) |
| Tax Bill | $9,661 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 069-410-009-000 |
| Primary APN | 069-410-009-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,048 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 5,341 sqft (0.123 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3431 KOSO ST |
|---|---|
| City | DAVIS |
| State | CA |
| Zip | 95618-6036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | SD3951 WILLOW CREEK #3 L 224 |
| Legal Subdivision | WILLOW CREEK 03 |
| Legal Lot Number | 224 |
| Jurisdiction | YOLO CA |
| Township / Civil Division | DAVIS |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 10607 |
3431 Koso St is owned and occupied by two individuals who bought it in July 2007.
Source: Yolo County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3431 KOSO ST, DAVIS, CA 95618-6036 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 30, 2007 · Amount on File |
| Deed Sale | Jul 30, 2007 · Amount on File |
| Prior Sale | Dec 22, 2006 · Amount on File |
| Deed Document Number | 200726784 |
| Prior Transfer Date | Sep 7, 2004 |
| Prior Transfer Doc | 0000044376 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3431 Koso St was $9,661 with a homeowner's exemption.
Source: Yolo County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Yolo County |
| Municipality | Davis City |
| Unified School District | Davis Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $689,972 (+2%) Land $401,926 Building $288,046 | |
| 2025 | $9,661.00 Homeowner's exemption | $676,445 Land $394,046 Building $282,399 |
| 2023 | $9,274.00 (+1.82%) Homeowner's exemption | $650,180 Land $378,746 Building $271,434 |
| 2022 | $9,108.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3431 Koso St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2023.
Source: FEMA National Flood Hazard Layer, effective June 11, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 2 (2023) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Mar 2023 · tidal / storm surge |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 3431 Koso St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | CITY OF DAVIS serves 67,826 people · EPA ID CA5710001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Dec 2024 |
| Lead | Under 1 ppb (2024–2026) 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 605 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fixed Wireless | 1,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Succeed.Net, unWired Broadband.
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