548 Sunnyvale Dr, Healdsburg, CA 95448 Property Records

Sonoma County property record for 548 Sunnyvale Dr, Healdsburg, CA 95448

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,081 sqft · built 1978
Lot Size	0.331 acres (14,400 sqft)
Owner	2 Individual Names on File
Last Sale	$1,010,000 (Dec 2018)
Tax Bill	$13,149 (2025)
Deeds & Mortgages	Dec 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`002-544-027-000`

Property Details

APN / Parcel Number

Primary APN	`002-544-027-000`
Alternative APN	`002-544-027`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	2,081 sqft Living Area
Gross Area	2,473 sqft
1st Floor Area	2,081 sqft
Basement Area	428 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 2000
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	14,400 sqft (0.331 acres)
Garage Type	Attached
Garage Area	392 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	002-544-027
Street Address	548 SUNNYVALE DR
City	HEALDSBURG
State	CA
Zip	95448-3023
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYHE
Legal Description	1968 FORM 2-544-23 COMB WITH PT OF 22 PER MP DEPT
Legal Subdivision	GAUNTLETT TERRACE 00
Legal Block	1
Legal Lot Number	4
Jurisdiction	SONOMA CA
Township / Civil Division	HEALDSBURG
Census Block Group	1
Census Block	1007
Census Tract	153903

Owner

548 Sunnyvale Dr is owned and occupied by two individuals who bought it in December 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	548 SUNNYVALE DR, HEALDSBURG, CA 95448-3023
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2018 · Amount on File
Deed Sale	Dec 3, 2018 · Amount on File
Prior Sale	Sep 17, 2013 · Amount on File
Deed Document Number	201882482
Prior Transfer Date	Aug 28, 2005
Prior Transfer Doc	0000129596
Record Updated	Oct 29, 2026

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Dec 3, 2018
Property Address	548 SUNNYVALE DR, HEALDSBURG, CA 95448-3023
Document Number	0000082482
Instrument Date	Nov 27, 2018
Instrument	82482
Transaction Type	Transfer
Record Updated	Dec 19, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$1,111.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	1009 CASCADE DR SUNNYVALE CA 940874002, SUNNYVALE, CA 94087-4002

Tax Assessment & Valuation

The 2025 property tax bill for 548 Sunnyvale Dr was $13,149 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,149,202 (+2%) Land $459,680 Building $689,522
2025	$13,149.00 Homeowner's exemption	$1,126,669 Land $450,667 Building $676,002
2023	$12,501.00 (+1.04%) Homeowner's exemption	$1,082,921 Land $433,168 Building $649,753
2022	$12,372.00

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

Flood

FEMA maps place 548 Sunnyvale Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective February 15, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 548 Sunnyvale Dr is moderate, ranking above 62% of the US, with a 0.2% annual chance of 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	CITY OF HEALDSBURG serves 10,972 people · EPA ID CA4910005
Water Source	Groundwater influenced by surface water
Lead	Under 1 ppb (2021–2023) 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 334 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20