1550 Mad River Rd, Arcata, CA 95521 Property Records

Humboldt County property record for 1550 Mad River Rd, Arcata, CA 95521

Property Summary

Property TypeGeneral Agricultural/Rural
Lot Size37.1 acres (1,619,862 sqft)
OwnerIndividual Name on Record
Last Sale$700,000 (May 2024)
Tax Bill$4,389 (2025)
Flood ZoneZone A (high risk)
APN506-331-007-000

Property Details

APN / Parcel Number

Primary APN506-331-007-000
Alternative APN
  • 50633107

Exterior

Lot Area1,619,862 sqft (37.1 acres)

Location & Zoning

Old Parcel Number50633107
Street Address1550 MAD RIVER RD
CityARCATA
StateCA
Zip95521-9687
Property CategoryAgriculture or Farming
Property TypeAgriculture / Farming > General Agricultural/Rural
Legal DescriptionS26 T6N R1W/0600610002D050283C 0283C 00083X 620007B C
Legal Range01W
Legal Township06N
Legal Section26
JurisdictionHUMBOLDT CA
Township / Civil DivisionARCATA
Census Block Group1
Census Block1019
Census Tract1300

Owner

Source: Humboldt County records, as of October 13, 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address1290 ALDERGROVE RD, ARCATA, CA 95521-9212
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 22, 2024 · Amount on Record
Deed SaleMay 22, 2024 · Amount on Record
Prior SaleMay 22, 2024
Deed Document Number2024-006495
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Humboldt County assessment roll, as of July 1, 2025

Property Jurisdictions

TypeName
StateCalifornia
CountyHumboldt County
Secondary School DistrictNorthern Humboldt Union High School District (09 - 12)
Elementary School DistrictPacific Union Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$4,389.00 (-5.55%)$386,808 (-6.35%) Land $283,222 Building $103,586
2023$4,647.00 (+0.37%) Homeowner's exemption$413,039 Land $272,225 Building $140,814
2022$4,630.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective August 25, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone A
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationNot determined for this zone
Flood Insurance RequirementRequired
federally backed loans
Nearby Flood Policies6 in force
Nearby Flood Claims22 (1982–2019)
Claims Outside the SFHA1 of 22
Most Recent ClaimFeb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 2 claims
  • Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 4 claims
  • Severe Storms & Flooding, Feb 1986 · 4 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 40% of the US · lower than 76% of California
Wildfire Likelihood0.06% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemHUMBOLDT BAY MWD
private · serves 680 people · EPA ID CA1210013
Water SourceGroundwater
Last State InspectionJul 2025
Lead2 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 3 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
101Netlink
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
25 / 3

May also be available: T-Mobile.

Nearby Properties on Mad River Rd

Nearby Streets

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