21030 Geyserville Ave, Geyserville, CA 95441 Property Records

Sonoma County property record for 21030 Geyserville Ave, Geyserville, CA 95441 · Last verified August 2026

Property Summary

Property Type	Commercial Building, Warehouse, Showroom
Details	4,462 sqft · built 1915
Lot Size	0.236 acres (10,266 sqft)
Owner	2 Company Names on File
Last Sale	$50,000 (Apr 1990)
Tax Bill	$4,576 (2025)
Deeds & Mortgages	Apr 2024 Transfer
Flood Zone	Zone X (minimal risk)
APN	`140-100-009-000`

Property Details

APN / Parcel Number

Primary APN	`140-100-009-000`
Alternative APN	`140-100-009`

Interior

Stories	1 Story
Building Area	4,462 sqft Gross Area
1st Floor Area	4,462 sqft

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1916
Architectural Style	L-Shape
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	10,266 sqft (0.236 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	140-100-009
Street Address	21030 GEYSERVILLE AVE
City	GEYSERVILLE
State	CA
Zip	95441
Property Category	Commercial
Property Type	Commercial > Retail > Commercial Building, Warehouse, Showroom
Legal Description	UNINCORP COUNTY CA
Legal Block	1
Jurisdiction	SONOMA CA
Township / Civil Division	CLOVERDALE-GEYSERVILLE
Census Block Group	1
Census Block	1018
Census Tract	154100

Owner

Source: Sonoma County records · APN 140-100-009-000

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

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

Owner of Record	2 Company Names on File
Mailing Address	21030 GEYSERVILLE AVE, GEYSERVILLE, CA 95441
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 02, 1990 · Amount on Record
Deed Sale	Apr 02, 1990 · Amount on Record
Deed Document Number	199032404
Last Transfer Date	Apr 12, 2024
Transfer Doc	0000016710
Record Updated	Sep 20, 2026

April 2024: Correction Deed

Document Type	Correction Deed
Jurisdiction	SONOMA CA
Recording Date	Apr 18, 2024
Property Address	21030 GEYSERVILLE AVE, GEYSERVILLE, CA 95441
Document Number	0000016465
Instrument Date	Feb 09, 2024
Instrument	2024016465
Record Updated	May 07, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5249 W DRY CREEK RD, HEALDSBURG, CA 95448-9719

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Unified School District	Geyserville 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	$4,576.00 (+8.8%)	$248,723 (+4.04%) Land $138,183 Building $110,540
2023	$4,206.00 (+3.93%)	$239,067 Land $132,818 Building $106,249
2022	$4,047.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971541001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Cost	Premium on Record median of 13 individual NFIP policies nearby
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	13 in force
Nearby Flood Claims	32 (1995–2019)
Claims Outside the SFHA	1 of 32
Most Recent Claim	Apr 2019, other causes
Claims By Storm	Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 6 claims Severe Winter Storms, Flooding Landslides, Mud Flow, Mar 1995 · 4 claims Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 12 claims

Wildfire

Wildfire Risk	Moderate above 40% of the US · above 24% of California
Wildfire Likelihood	About 1 in 1,961 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 109 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	1,200 / 35
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

Availability varies by address; speeds are provider-advertised maximums, not measured.