16300 Arnold Dr, Sonoma, CA 95476 Property Records

Sonoma County property record for 16300 Arnold Dr, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,834 sqft · built 1935
Lot Size	14.7 acres (641,638 sqft)
Owner	Individual Name on Record
Last Sale	$2,000,000 (Sep 2023)
Tax Bill	$18,791 (2025)
Deeds & Mortgages	Sep 2023 Mortgage Sep 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`133-111-001-000`

Property Details

APN / Parcel Number

Primary APN	`133-111-001-000`
Alternative APN	`133-111-001`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	2,834 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1960
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	641,638 sqft

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	133-111-001
Street Address	16300 ARNOLD DR
City	SONOMA
State	CA
Zip	95476-3214
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	AR9
Legal Description	1973 FORM 52-031-15 AP# CHG PER MAP DEPT FILE
Legal Subdivision	BOYES HOT SPRINGS HOTEL GROUNDS
Legal Block	2
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2011
Census Tract	150303

Owner

Source: Sonoma County records, as of October 19, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	2995 WOODSIDE RD, 400, WOODSIDE, CA 94062-2448
Owner Type	Individual
Vesting	Unmarried Woman

Deeds, Mortgages & Sale History

Date	Document
Sep 29, 2023	Deed of Trust, Mortgage · Commercial Mortgage MAUREEN A MILLETT
Sep 29, 2023	Grant Deed, Transfer · Commercial Mortgage SECURED INCOME FUND II LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 29, 2023 · Amount on Record
Deed Sale	Sep 29, 2023 · Amount on Record
Prior Sale	Jul 15, 1994 · Amount on Record
Deed Document Number	202345170
Prior Transfer Date	Jul 12, 1994
Prior Transfer Doc	0000086800
Record Updated	Oct 29, 2026

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	16300 ARNOLD DR, SONOMA, CA 95476-3214
Transaction Type	Mortgage
Record Updated	Oct 12, 2023
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000045172
Date	Sep 29, 2023
Instrument	2023045172

Lender

Name	MAUREEN A MILLETT
Type	Private Party
Address	1630 ARNOLD DR, SONOMA, CA 95476

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

September 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Sep 29, 2023
Property Address	16300 ARNOLD DR, SONOMA, CA 95476-3214
Document Number	0000045170
Instrument Date	Sep 26, 2023
Instrument	2023045170
Transaction Type	Transfer
Record Updated	Oct 12, 2023
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,200.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2995 WOODSIDE RD STE 400, 400, WOODSIDE, CA 94062-2448

Mortgage

Document Number	0000045171
Date	Sep 29, 2023
Instrument	2023045171

Lender

Name	SECURED INCOME FUND II LLC
Type	Funding / Finance Company

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,657,565 (+2%) Land $1,386,336 Building $271,229
2025	$18,791.00 (+3.81%)	$1,625,064 (+4.04%) Land $1,359,153 Building $265,911
2023	$18,102.00 (+1.25%)	$1,561,963 Land $1,306,376 Building $255,587
2022	$17,878.00

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

Flood

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 A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	1 (2025)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 2025 · other causes

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

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

Wildfire Risk	High above 74% of the US · above 50% of California
Wildfire Likelihood	0.3% 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	VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013
Water Source	Groundwater
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2024–2026) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 18 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30

May also be available: AT&T, Xfinity.

Cell Coverage

5G (outdoors only) and 4G LTE

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