520 Union St, Arcata, CA 95521 Property Records

Humboldt County property record for 520 Union St, Arcata, CA 95521

Property Summary

Property Type	Multi-Family Dwellings
Lot Size	0.46 acres (20,037 sqft)
Owner	Company Name on Record
Last Sale	$840,000 (Oct 2021)
Tax Bill	$10,382 (2025)
Deeds & Mortgages	Oct 2021 Transfer Oct 2021 Sale & Second Mortgage
Flood Zone	Zone X (minimal risk)
APN	`503-460-010-000`

Property Details

APN / Parcel Number

Primary APN	`503-460-010-000`
Alternative APN	`50346010`

Exterior

Architectural Style	Multi-Family
Lot Area	20,037 sqft (0.46 acres)

Location & Zoning

Street Address	520 UNION ST
City	ARCATA
State	CA
Zip	95521-6481
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	R-MH
Legal Description	SUB: 862, PARCEL MAP PLAT BOOK: P7 PLAT PAGE: 115 LOT: 2
Legal Subdivision	BRAE SUB
Legal Tract	37
Legal Block	1
Legal Lot Number	2
Jurisdiction	HUMBOLDT CA
Township / Civil Division	ARCATA
Census Block Group	1
Census Block	1002
Census Tract	1002

Owner

Source: Humboldt County records, as of September 9, 2025

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

Owner of Record	Company Name on Record
Mailing Address	PO BOX 1760, SOLANA BEACH, CA 92075-7760
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 8, 2021	Intrafamily Transfer, Transfer HUMBOLDT LAND TITLE
Oct 8, 2021	Grant Deed, Transfer · Stand-Alone Second Mortgage COAST CENTRAL CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 8, 2021 · Amount on Record
Deed Sale	Oct 8, 2021 · Amount on Record
Deed Document Number	202122645
Prior Transfer Date	Oct 2, 2021
Prior Transfer Doc	0000022644
Record Updated	Sep 20, 2026

October 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	HUMBOLDT CA
Recording Date	Oct 8, 2021
Property Address	520 UNION ST, ARCATA, CA 95521-6481
Document Number	0000022644
Map Reference	MB 7 PG 115
Instrument Date	Oct 2, 2021
Instrument	2021-022644
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	HUMBOLDT LAND TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	2640 VISSER CT, MCKINLEYVILLE, CA 95519-7954

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	HUMBOLDT CA
Recording Date	Oct 8, 2021
Property Address	520 UNION ST, ARCATA, CA 95521-6481
Document Number	0000022645
Map Reference	MB 7 PG 115
Instrument Date	Oct 2, 2021
Instrument	2021-022645
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	HUMBOLDT LAND TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	2640 VISSER CT, MCKINLEYVILLE, CA 95519-7954

Mortgage

Document Number	0000022646
Date	Oct 8, 2021
Instrument	2021-022646

Lender

Name	COAST CENTRAL CU
Type	Credit Union

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Humboldt County assessment roll, as of August 25, 2025

Property Jurisdictions

Type	Name
State	California
County	Humboldt County
Municipality	Arcata City
Elementary School District	Arcata Elementary School District (KG - 08)
Secondary School District	Northern Humboldt Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$10,382.00 (+1.23%)	$891,414 (+4.04%) Land $318,362 Building $573,052
2024	$10,256.00 (+2.11%)
2023	$10,044.00 (+169.93%)	$856,800 Land $306,000 Building $550,800
2022	$3,721.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 278 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Cable	940 / 35
Verizon Fixed Wireless	300 / 20
101Netlink Fixed Wireless	100 / 20

May also be available: AT&T, T-Mobile.

Nearby Properties on Union St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures