17850 High Rd, Sonoma, CA 95476 Property Records

Sonoma County property record for 17850 High Rd, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,788 sqft · built 1952
Lot Size	1.75 acres (76,665 sqft)
Owner	Company Name on Record
Last Sale	$1,700,000 (Oct 2013)
Tax Bill	$23,961 (2025)
Deeds & Mortgages	Apr 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`127-032-014-000`

Property Details

APN / Parcel Number

Primary APN	`127-032-014-000`
Alternative APN	`127-032-014`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	2 Rooms
Stories	1 Story
Building Area	1,788 sqft Living Area
1st Floor Area	1,788 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1959
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	76,665 sqft

Location & Zoning

Old Parcel Number	127-032-014
Street Address	17850 HIGH RD
City	SONOMA
State	CA
Zip	95476-5010
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	2001 FM 127-032-007 & 11 00RMDMGR VM PER OWNER REQ
Legal Subdivision	MISSION HIGHLANDS SUBDIVISION #1
Legal Block	2
Legal Lot Number	2
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2000
Census Tract	150205

Owner

Source: Sonoma County records, as of September 1, 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 Record
Mailing Address	52 ROSE LN, LARKSPUR, CA 94939-1560
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 10, 2013 · Amount on Record
Deed Sale	Oct 10, 2013 · Amount on Record
Deed Document Number	2013100424
Prior Transfer Date	Oct 23, 2001
Prior Transfer Doc	0000149050
Record Updated	Oct 29, 2026

April 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Apr 19, 2018
Property Address	17850 HIGH RD, SONOMA, CA 95476-5010
Document Number	0000026849
Instrument Date	Apr 16, 2018
Instrument	26849
Transaction Type	Transfer
Record Updated	May 3, 2018

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	52 ROSE LN LARKSPUR CA 949391560, LARKSPUR, CA 94939-1560

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		$2,125,636 (+2%) Land $850,254 Building $1,275,382
2025	$23,961.00 (+3.77%)	$2,083,958 (+4.04%) Land $833,583 Building $1,250,375
2023	$23,090.00 (+1.45%)	$2,003,037 Land $801,215 Building $1,201,822
2022	$22,761.00

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	3 in force

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	Moderate above 62% of the US · lower than 62% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	MISSION HIGHLANDS MUTUAL WATER CO. private · serves 150 people · EPA ID CA4900563
Water Source	Groundwater
Lead	13 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 45 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Starlink Satellite	280 / 30
Verizon Fixed Wireless	25 / 6
T-Mobile Fixed Wireless	25 / 3

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on High Rd

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