Nevada County property record for 434 Colfax Ave, #A, Grass Valley, CA 95945
| Property Type | Commercial Office |
|---|---|
| Details | 4,120 sqft · built 1932 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $450,000 (Feb 2015) |
| Tax Bill | $6,295 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 009-280-024-000 |
| Primary APN | 009-280-024-000 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 4,120 sqft Gross Area |
| 1st Floor Area | 2,392 sqft |
| 2nd Floor Area | 1,728 sqft |
| Year Built | Built 1932 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Traditional |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 3,920 sqft (0.09 acres) |
| View / Lot | Average |
| Patio Area | 4,120 sqft |
| Sewer | Connected |
|---|---|
| Water Source | Commercial |
| Old Parcel Number | 09-280-24-000 |
|---|---|
| Street Address | 434 COLFAX AVE, A |
| City | GRASS VALLEY |
| State | CA |
| Zip | 95945-6840 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | PTN SW 1/4 OF SW 1/4 26-16-8 |
| Legal Range | 8E |
| Legal Township | 16N |
| Legal Section | 26 |
| Legal Block | D |
| Legal Lot Number | 1 |
| Jurisdiction | NEVADA CA |
| Township / Civil Division | GRASS VALLEY |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 602 |
434 Colfax Ave, #A is owned by two individuals who bought it in February 2015.
Source: Nevada County records, as of August 6, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 14572 MUMFORD DR, GRASS VALLEY, CA 95945-7600 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 9, 2015 · Amount on File |
| Deed Sale | Feb 9, 2015 · Amount on File |
| Deed Document Number | 20152435 |
| Prior Transfer Date | Sep 8, 1997 |
| Prior Transfer Doc | 0000026722 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 434 Colfax Ave, #A was $6,295.
Source: Nevada County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | California |
| County | Nevada County |
| Municipality | Grass Valley City |
| Elementary School District | Grass Valley Elementary School District (KG - 08) |
| Secondary School District | Nevada Joint Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $551,634 (+2%) Land $165,486 Building $386,148 | |
| 2025 | $6,295.00 | $540,819 Land $162,242 Building $378,577 |
| 2023 | $6,061.00 (+1.03%) | $519,820 Land $155,943 Building $363,877 |
| 2022 | $5,999.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 434 Colfax Ave, #A in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective August 20, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 7 in force |
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.
Wildfire risk around 434 Colfax Ave, #A is moderate, ranking above 60% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 60% of the US · lower than 63% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | CITY OF GRASS VALLEY serves 4,947 people · EPA ID CA2910001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 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 125 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| SmarterBroadband Fixed Wireless | 100 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Race Communications.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures