4th Ave, Rio Dell, CA Property Records

Humboldt County property records for 18 addresses on 4th Ave, Rio Dell, CA · Last verified July 2026

4th Ave Highlights

Properties 18
Median Sale Price $170,000
Deeds and Mortgages on File 24
Median Price per Sqft $182
Owner Occupied 56%
Median Annual Tax Bill $976
Median Year Built 1952
Median Ownership Tenure 8 years

Properties on 4th Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

410 4th Ave

17.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2023 $1,7112025 1 Name on Record Assessor + 1 DocumentUpdated Mar 2026

429 4th Ave

0.256 acres

Last Sale Tax Bill Prior Sale Owner Records
$8222024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

441 4th Ave

0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$76,500Jan 2020 $9762025 Amount on Record Apr 2019 2 Names on Record Assessor + 2 DocumentsUpdated Oct 2025

449 4th Ave

3 bd · 1 ba · 1,056 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$48,000Feb 2018 $1,5692025 Amount on Record Jun 2001 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

470 4th Ave

3 bd · 2 ba · 1,160 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$293,000Sep 2023 $1002025 —Aug 2023 3 Names on Record Assessor + 4 DocumentsUpdated Oct 2025

471 4th Ave

0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$68,000Sep 1994 $1,0682025 1 Name on Record AssessorUpdated Oct 2025

475 4th Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Dec 2015 $7982025 2 Names on Record AssessorUpdated Oct 2025

476 4th Ave

0.079 acres

Last Sale Tax Bill Prior Sale Owner Records
$293,000Sep 2023 $4762025 —Aug 2023 3 Names on Record Assessor + 4 DocumentsUpdated Oct 2025

482 4th Ave

0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Sep 2004 $2,6112025 —Jul 2003 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

483 4th Ave

0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$7902025 —Oct 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

502 4th Ave

0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$57,000May 2002 $9132025 —Apr 2005 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

504 4th Ave

0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,500Feb 1993 $1,1692025 —Jun 2022 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

506 4th Ave

2 bd · 1 ba · 1,008 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$183,500Jan 2020 $2,1412025 —Feb 2018 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

507 4th Ave

0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$138,000Apr 2020 $2552025 1 Name on Record Assessor + 2 DocumentsUpdated Oct 2025

508 4th Ave

0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2018 $7422025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

515 4th Ave

0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,000Apr 1999 $8592025 2 Names on Record AssessorUpdated Oct 2025

549 4th Ave

0.115 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Dec 1998 $1,1802025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

561 4th Ave

0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Aug 1998 $1,3472025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

Wildfire Risk on 4th Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 20th percentile of exposed land nationally · 11th in California
Wildfire LikelihoodLow — about 1 in 5,769 per year
ExposureDirect
2 of 3 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets