525 1st St E, Sonoma, CA 95476 Property Records

Sonoma County property record for 525 1st St E, Sonoma, CA 95476 · Last verified April 2026

Property Highlights

Property Type	Commercial > Office > Commercial Office
Architecture Style	Custom Design
Square Footage	624 sqft Gross Area
Lot Size	1,891 sqft (0.043 acres)
Last Sale	$170,000 (2000)
Tax Bill	$4,463.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`018-212-025-000`
Alternative APN	`018-212-025`

Interior

Building Area	624 sqft Gross Area
1st Floor	624 sqft 1st Floor
Stories	1 Stories

Exterior

Architectural Style	Custom Design Style
Lot Area	1,891 sqft (0.043 acres)

Utilities and HVAC

Cooling System	None Cooling
Heating System	Central Heating

Location & Zoning

Old Parcel Number	018-212-025
Street Address	525 1ST ST E
City	SONOMA
State	CA
Zip	95476-6703
Property Usage	Commercial Property Usage
Type	Commercial > Office > Commercial Office
Legal Block	1
Jurisdiction	SONOMA CA
Minor Civil Division	SONOMA
Census Blockgroup	1
Census Block	1002
Census Tract	150204

Owner

Source: Sonoma County records · APN 018-212-025-000

Assessment roll updated April 13, 2026 · Last verified April 2026

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

Owner of Record	Company Name on File
Mailing Address	PO BOX 305, SONOMA, CA 95476-0305
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 29, 2000 · Amount on Record
Deed Sale	Feb 29, 2000 · Amount on Record
Deed Doc Number	200020134
Last Transfer Date	Feb 03, 2011
Transfer Doc	0000013002
Record Refreshed	Jun 08, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	525 1ST ST E, SONOMA, CA 95476-6703
Transaction Type	Mortgage
Record Updated	Sep 28, 2023
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	525 1ST ST E, SONOMA, CA 95476-6703

Mortgage

Document Number	0000060173
Date	May 18, 2021
Instrument	2021060173

Lender

Name	EXCHANGE BANK
Type	Bank
Address	SANTA ROSA, CA 95402

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Sonoma City
Unified School District	Sonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$4,463.00 (+6.11%)	$245,899 (+4.04%) Land $115,263 Building $130,636
2023	$4,206.00 (+2.49%)	$236,352 Land $110,788 Building $125,564
2022	$4,104.00

Flood & Wildfire

525 1st St E is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).

Flood

Source: FEMA National Flood Hazard Layer · Sonoma County (06097C), updated February 15, 2026

FEMA Flood Zone	Zone X moderate flood hazard · within the 0.2% annual chance floodplain
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

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

Wildfire Risk to Homes	Low 20th percentile of exposed land nationally · 11th in California
Wildfire Likelihood	Low — about 1 in 8,333 per year
Exposure	Indirect within ember reach of burnable land · adjoins burnable vegetation

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

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release

Historic District	Within the Sonoma Plaza listed 1975 · 31 contributing resources · National Historic Landmark (designated 1960) · NRIS 75000489

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.