Nevada County property record for 423 Mill St, Grass Valley, CA 95945 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,378 sqft · built 1881 |
| Lot Size | 0.36 acres (15,682 sqft) |
| Owner | Individual Name on File |
| Last Sale | $191,000 (Apr 2011) |
| Tax Bill | $2,633 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 029-150-024-000 |
| Primary APN | 029-150-024-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,378 sqft Living Area |
| 1st Floor Area | 1,378 sqft |
| 2nd Floor Area | 264 sqft |
| Year Built | Built 1881 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Traditional |
| Lot Area | 15,682 sqft (0.36 acres) |
| Terrain | Below Road/Slope |
| View / Lot | Average |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Patio Area | 1,378 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Connected |
| Water Source | Commercial |
| Old Parcel Number | 29-150-24-000 |
|---|---|
| Street Address | 423 MILL ST |
| City | GRASS VALLEY |
| State | CA |
| Zip | 95945-7129 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PTN BLK 43 GV & PTN BLK 3 SGV |
| Legal Subdivision | SOUTH GRASS VALLEY |
| Legal Block | 43,3 |
| Legal Lot Number | 24 |
| Jurisdiction | NEVADA CA |
| Township / Civil Division | GRASS VALLEY |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 502 |
Source: Nevada County records · APN 029-150-024-000
Assessment roll updated July 7, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 423 MILL ST, GRASS VALLEY, CA 95945-7129 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 29, 2011 · Amount on Record |
| Deed Sale | Apr 29, 2011 · Amount on Record |
| Prior Sale | Jun 03, 2005 · Amount on Record |
| Deed Document Number | 201110374 |
| Record Updated | Sep 20, 2026 |
Source: Nevada County records · Assessment roll updated July 7, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $249,584 (+2%) Land $74,480 Building $175,104 | ||
| 2025 | $2,633.00 (+4.73%) Homeowner's exemption | $244,691 (+4.04%) Land $73,020 Building $171,671 | |
| 2023 | $2,514.00 (+0.96%) Homeowner's exemption | $235,191 Land $70,186 Building $165,005 | $437,760 |
| 2022 | $2,490.00 |
Source: FEMA National Flood Hazard Layer, Nevada County (06057C), updated August 20, 2024 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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