21438 Alpine Ter, Monte Rio, CA 95462 Property Records

Sonoma County property record for 21438 Alpine Ter, Monte Rio, CA 95462

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,148 sqft · built 1910
Lot Size	0.12 acres (5,243 sqft)
Owner	Individual Name on File
Last Sale	$75,000 (Feb 2023)
Tax Bill	$1,519 (2025)
Deeds & Mortgages	Feb 2023 Sale Dec 2018 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`095-134-017-000`

Property Details

APN / Parcel Number

Primary APN	`095-134-017-000`
Alternative APN	`095-134-017`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	2 Rooms
Stories	2 Stories
Building Area	1,148 sqft Living Area
1st Floor Area	606 sqft
Basement Area	420 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1970
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,243 sqft (0.12 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	095-134-017
Street Address	21438 ALPINE TER
City	MONTE RIO
State	CA
Zip	95462
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR1
Legal Description	1972 FORM PT OF 95-134-08 LT 18 & PT LT19 TIER L
Legal Subdivision	TIER L OF MONTE RIO PARK ADDITION #4
Legal Block	3
Legal Lot Number	18,19
Jurisdiction	SONOMA CA
Township / Civil Division	RUSSIAN RIVER-SONOMA COAST
Census Block Group	3
Census Block	3011
Census Tract	153708

Owner

21438 Alpine Ter is owned by an individual who bought it in February 2023.

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	PO BOX 62, INVERNESS, CA 94937-0062
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 1, 2023	Grant Deed, Transfer NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC
Dec 4, 2018	Quit Claim Deed, Transfer Quitclaim
Mar 6, 2018	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 1, 2023 · Amount on File
Deed Sale	Feb 1, 2023 · Amount on File
Prior Sale	Dec 14, 2010 · Amount on File
Deed Document Number	20234373
Prior Transfer Date	Jul 15, 2010
Prior Transfer Doc	0000061107
Record Updated	Oct 29, 2026

February 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 1, 2023
Property Address	21438 ALPINE TER, MONTE RIO, CA 95462
Document Number	0000004373
Instrument Date	Jan 27, 2023
Instrument	2023004373
Transaction Type	Transfer
Record Updated	Feb 16, 2023
Title Company	NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC

Transaction

Amount	Amount on Record
Tax	$82.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 160, POINT ARENA, CA 95468-0160

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Dec 4, 2018
Property Address	21438 ALPINE TER, MONTE RIO, CA 95462
Document Number	0000082884
Instrument Date	Dec 4, 2018
Instrument	82884
Transaction Type	Transfer
Record Updated	Dec 20, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	PO BOX 588 CALISTOGA CA 945150588, CALISTOGA, CA 94515-0588

March 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 6, 2018
Property Address	21438 ALPINE TER, MONTE RIO, CA 95462
Document Number	0000015456
Instrument Date	Mar 6, 2018
Instrument	15456
Transaction Type	Transfer
Record Updated	Jan 14, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1518 PARK ST CALISTOGA CA 945151342, CALISTOGA, CA 94515-1342

Tax Assessment & Valuation

The 2025 property tax bill for 21438 Alpine Ter was $1,519.

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Secondary School District	West Sonoma County Union High School District (09 - 12)
Elementary School District	Monte Rio Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$79,590 (+2%) Land $68,978 Building $10,612
2025	$1,519.00	$78,030 Land $67,626 Building $10,404
2023	$1,970.00 (+1.97%)	$122,237 Land $43,678 Building $78,559
2022	$1,932.00

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

Flood

FEMA maps place 21438 Alpine Ter in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 64 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	64 in force
Nearby Flood Claims	47 (1995–2025)
Most Recent Claim	Feb 2025 · river or lake flooding
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 24 claims Severe Winter Storms, Flooding, And Mudslides, Jan 2017 · 3 claims Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 5 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

Wildfire risk around 21438 Alpine Ter is moderate, ranking above 40% of the US, with a 0.07% annual chance of wildfire.

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

Wildfire Risk	Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood	0.07% 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	SWEETWATER SPRINGS CWD - MONTE RIO serves 3,531 people · EPA ID CA4910028
Water Source	Groundwater
Last State Inspection	Oct 2021
Lead	Under 1 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	None 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 101 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20

Cell Coverage

4G LTE (outdoors only), no 5G reported

Nearby Properties on Alpine Ter

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