Yuba County property record for 18137 Old Knox Rd, Challenge, CA 95925
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 928 sqft · built 1936 |
| Lot Size | 0.171 acres (7,451 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $30,000 (Aug 2022) |
| Tax Bill | $825 (2025) |
| Deeds & Mortgages | Aug 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-140-017-000 |
| Primary APN | 050-140-017-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 928 sqft Living Area |
| 1st Floor Area | 928 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Lot Area | 7,451 sqft (0.171 acres) |
| Porch | Covered Wood Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 050-140-017 |
|---|---|
| Street Address | 18137 OLD KNOX RD |
| City | CHALLENGE |
| State | CA |
| Zip | 95925-9613 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A/RR |
| Legal Description | PTN SE1/4 SEC 19 TWP 19 RGE 7 |
| Jurisdiction | YUBA CA |
| Township / Civil Division | YUBA FOOTHILLS |
| Census Block Group | 1 |
| Census Block | 1100 |
| Census Tract | 41101 |
Source: Yuba County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 9111 REDBUD LN, BROWNSVILLE, CA 95919 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 15, 2022 · Amount on Record |
| Deed Sale | Aug 15, 2022 · Amount on Record |
| Prior Sale | Feb 17, 2012 · Amount on Record |
| Deed Document Number | 202212412 |
| Prior Transfer Date | Sep 14, 2016 |
| Prior Transfer Doc | 0000011379 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | YUBA CA |
| Recording Date | Aug 15, 2022 |
| Property Address | 18137 OLD KNOX RD, CHALLENGE, CA 95925-9613 |
| Document Number | 0000012412 |
| Instrument Date | Aug 4, 2022 |
| Instrument | 2022-012412 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 9119 RED BUD, BROWNSVILLE, CA 95919-9739 |
Source: Yuba County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Yuba County |
| Unified School District | Marysville Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $70,039 (+2%) Land $15,918 Building $54,121 | ||
| 2025 | $825.00 (+3.13%) | $68,666 (+4.04%) Land $15,606 Building $53,060 | |
| 2023 | $800.00 (-19.6%) | $66,000 Land $15,000 Building $51,000 | $157,860 |
| 2022 | $995.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective June 5, 2024
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 98.8% of the US · above 91% of California |
|---|---|
| Wildfire Likelihood | 3% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | NORTH YUBA WATER DISTRICT serves 2,772 people · EPA ID CA5810006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2023 |
| Lead | 2 ppb (2022–2024) 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 34 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| DigitalPath Fixed Wireless | 200 / 20 |
No cell data coverage reported
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