Humboldt County property record for 605 Diamond Dr, Arcata, CA 95521
| Property Type | Apartment House (2-4 Units) |
|---|---|
| Lot Size | 0.516 acres (22,470 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,497 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 507-011-040-000 |
| Primary APN | 507-011-040-000 |
|---|---|
| Alternative APN |
|
| Architectural Style | Multi-Family |
|---|---|
| Lot Area | 22,470 sqft (0.516 acres) |
| Street Address | 605 DIAMOND DR |
|---|---|
| City | ARCATA |
| State | CA |
| Zip | 95521-7901 |
| Property Category | Commercial |
| Property Type | Residential > Multi-Unit > Apartment House (2-4 Units) |
| Local Zoning Code | RH |
| Legal Description | SUB: 1317, PARCEL MAP PLAT BOOK: P11 PLAT PAGE: 117 LOT: 1 |
| Legal Subdivision | AIRWAY GARDENS |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | HUMBOLDT CA |
| Township / Civil Division | ARCATA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 1200 |
605 Diamond Dr, a residential property, is owned by a company.
Source: Humboldt County records, as of July 8, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1589 MYRTLE AVE, EUREKA, CA 95501-1453 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 605 Diamond Dr was $7,497, up 2.2% from the year before.
Source: Humboldt County assessment roll, as of August 25, 2025
| Type | Name |
|---|---|
| State | California |
| County | Humboldt County |
| Municipality | Arcata City |
| Secondary School District | Northern Humboldt Union High School District (09 - 12) |
| Elementary School District | Pacific Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $7,497.00 (+2.15%) | $628,379 Land $85,158 Building $543,221 |
| 2024 | $7,339.00 (-0.15%) | |
| 2023 | $7,350.00 (+0.6%) | $606,446 Land $81,852 Building $524,594 |
| 2022 | $7,306.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 605 Diamond Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 25, 2022 · 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 | 1 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 605 Diamond Dr is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 ARCATA serves 18,857 people · EPA ID CA1210001 |
|---|---|
| Water Source | Purchased groundwater from HUMBOLDT BAY MWD |
| Last State Inspection | Nov 2025 |
| Lead | 3 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 227 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable | 940 / 35 |
| 101Netlink Fixed Wireless | 100 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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