Nevada County property record for 20506 Adamson Dr, Grass Valley, CA 95949
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 3,310 sqft · built 2003 |
| Lot Size | 10 acres (439,085 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,090,000 (Aug 2025) |
| Tax Bill | $11,787 (2025) |
| Deeds & Mortgages | Oct 2019 Mortgage Oct 2019 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 011-520-028-000 |
| Primary APN | 011-520-028-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 3,310 sqft Living Area |
| 1st Floor Area | 2,443 sqft |
| 2nd Floor Area | 678 sqft |
| Basement Area | 656 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Traditional |
| Lot Area | 439,085 sqft |
| Terrain | Combination |
| Garage Type | Attached |
| Garage Area | 698 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Patio Area | 3,121 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Well |
| Old Parcel Number | 11-520-28-000 |
|---|---|
| Street Address | 20506 ADAMSON DR |
| City | GRASS VALLEY |
| State | CA |
| Zip | 95949-9534 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AG-10 |
| Legal Description | PCL D PM 18/381 |
| Legal Subdivision | PARCEL MAP 96-06 |
| Legal Lot Number | D |
| Jurisdiction | NEVADA CA |
| Township / Civil Division | GRASS VALLEY |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 107 |
20506 Adamson Dr is owned and occupied by an individual who bought it in August 2025.
Source: Nevada County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20506 ADAMSON DR, GRASS VALLEY, CA 95949-9534 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Man |
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 |
|---|---|
| Oct 22, 2019 | Deed of Trust, Mortgage STAR ONE CU |
| Oct 16, 2019 | Loan Modification, Mortgage · Conventional Mortgage STAR ONE CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 15, 2025 · Amount on File |
| Deed Sale | Aug 15, 2025 · Amount on File |
| Prior Sale | Jul 2, 2001 · Amount on File |
| Deed Document Number | 202512636 |
| Prior Transfer Date | Apr 7, 2005 |
| Prior Transfer Doc | 0000013534 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEVADA CA |
| Property Address | 20506 ADAMSON DR, GRASS VALLEY, CA 95949-9534 |
| Document Number | 0000021624 |
| Instrument Date | Oct 22, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Mar 6, 2020 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 20506 ADAMSON DIVE GRASS VALLEY CA 95949, GRASS VALLEY, CA 95949 |
| Investor | Possibly a Property Investor |
| Document Number | 0000021624 |
|---|---|
| Date | Oct 30, 2019 |
| Instrument | 21624 |
| Name | STAR ONE CU |
|---|---|
| Type | Credit Union |
| Address | SUNNYVALE, CA 94088 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Oct 29, 2049 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | NEVADA CA |
| Property Address | 20506 ADAMSON DR, GRASS VALLEY, CA 95949-9534 |
| Document Number | 0000021626 |
| Instrument Date | Oct 16, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Mar 6, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Investor | Possibly a Property Investor |
| Document Number | 0000021626 |
|---|---|
| Date | Oct 30, 2019 |
| Instrument | 21626 |
| Name | STAR ONE CU |
|---|---|
| Type | Credit Union |
| Address | SUNNYVALE, CA 94088-3643 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 20506 Adamson Dr was $11,787.
Source: Nevada County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | California |
| County | Nevada County |
| Secondary School District | Nevada Joint Union High School District (09 - 12) |
| Elementary School District | Pleasant Ridge Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,090,000 (+0.24%) Land $140,000 Building $950,000 | ||
| 2025 | $11,787.00 Homeowner's exemption | $1,087,371 Land $220,106 Building $867,265 | |
| 2023 | $11,157.00 (+2.03%) Homeowner's exemption | $1,045,149 Land $211,560 Building $833,589 | $890,100 |
| 2022 | $10,935.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20506 Adamson Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 20, 2024 · 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 | 3 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 20506 Adamson Dr is extreme, ranking above 95% of the US, with a 1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 95% of the US · above 82% of California |
|---|---|
| Wildfire Likelihood | 1% 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: FCC Broadband Data Collection, based on 6 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| SmarterBroadband Fixed Wireless | 100 / 25 |
| Cal.net Fixed Wireless | 100 / 20 |
| Verizon Fixed Wireless | 25 / 6 |
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