Yolo County property record for 3601 Koso St, Davis, CA 95618
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,937 sqft · built 1995 |
| Lot Size | 0.12 acres (5,210 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $680,000 (Sep 2025) |
| Tax Bill | $5,720 (2025) |
| Deeds & Mortgages | Sep 2025 Sale & Mortgage Dec 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 069-400-007-000 |
| Primary APN | 069-400-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,937 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 5,210 sqft (0.12 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3601 KOSO ST |
|---|---|
| City | DAVIS |
| State | CA |
| Zip | 95618-6044 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | 3951 WILLOW CREEK #3 L 245 17 M 27-30 |
| Legal Subdivision | WILLOW CREEK 03 |
| Legal Lot Number | 245 |
| Jurisdiction | YOLO CA |
| Township / Civil Division | DAVIS |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 10607 |
3601 Koso St is owned and occupied by two individuals who bought it in September 2025.
Source: Yolo County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3601 KOSO ST, DAVIS, CA 95618-6044 |
| 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.
| Date | Document |
|---|---|
| Sep 18, 2025 | Grant Deed, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Dec 31, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 2025 · Amount on File |
| Deed Sale | Sep 18, 2025 · Amount on File |
| Prior Sale | Apr 28, 2000 · Amount on File |
| Deed Document Number | 202515881 |
| Prior Transfer Date | Dec 13, 2019 |
| Prior Transfer Doc | 0000033300 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | YOLO CA |
| Recording Date | Sep 18, 2025 |
| Property Address | 3601 KOSO ST, DAVIS, CA 95618-6044 |
| Document Number | 0000015881 |
| Map Reference | MB 17 PG 27-30 |
| Instrument Date | Sep 5, 2025 |
| Instrument | 2025-0015881 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 2026 |
| Title Company | ORANGE COAST TITLE COMPANY, ORANGE COAST TTL CO OF NOCAL |
| 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 with Right of Survivorship |
| Address | 3601 KOSO ST, DAVIS, CA 95618-6044 |
| Document Number | 0000015882 |
|---|---|
| Date | Sep 18, 2025 |
| Instrument | 2025-0015882 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2055 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | YOLO CA |
| Recording Date | Dec 31, 2019 |
| Property Address | 3601 KOSO ST, DAVIS, CA 95618-6044 |
| Document Number | 0000033300 |
| Instrument Date | Dec 13, 2019 |
| Instrument | 33300 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4331 N 19TH PL PHOENIX AZ 850165428, PHOENIX, AZ 85016-5428 |
The 2025 property tax bill for 3601 Koso St was $5,720.
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 | $680,000 (+88.95%) Land $220,000 Building $460,000 | |
| 2025 | $5,720.00 | $359,877 Land $92,205 Building $267,672 |
| 2023 | $5,904.00 (+1.92%) | $345,905 Land $88,626 Building $257,279 |
| 2022 | $5,793.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3601 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 3601 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 241 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 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, ICS Advanced Technologies, Succeed.Net, T-Mobile.
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