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316 E Napa St, Sonoma, CA 95476 Property Records

Sonoma County property record for 316 E Napa St, Sonoma, CA 95476

Property Summary

Property TypeTriplex
Details3 bd · 2 ba · 1,652 sqft · built 1886
Lot Size0.514 acres (22,400 sqft)
Owner2 Company Names on Record
Last Sale$2,020,000 (Oct 2015)
Tax Bill$30,524 (2025)
Deeds & MortgagesOct 2023 Transfer
Feb 2018 Mortgage
Flood ZoneZone AE (high risk)
APN018-231-007-000

Property Details

APN / Parcel Number

Primary APN018-231-007-000
Alternative APN
  • 018-231-007

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms3 Rooms
Units3 Units
Stories2 Stories
Building Area1,652 sqft Living Area
1st Floor Area1,652 sqft
Basement Area600 sqft

Exterior

Year BuiltBuilt 1886
Effective Year BuiltEffective 1975
Construction TypeWood
Lot Area22,400 sqft (0.514 acres)
Garage Area414 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number018-231-007
Street Address316 E NAPA ST
CitySONOMA
StateCA
Zip95476-6723
Property CategoryResidential
Property TypeResidential > Multi-Unit > Triplex
Local Zoning CodeR1H
Legal SubdivisionSONOMA
Legal Block1
Legal Lot Number266
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group1
Census Block1010
Census Tract150206

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Sonoma Plaza
listed 1975 · 31 contributing resources · National Historic Landmark (designated 1960) · NRIS 75000489

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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 Record2 Company Names on Record
Mailing Address316 E NAPA ST, SONOMA, CA 95476-6723
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Oct 26, 2023Intrafamily Transfer, Transfer
Feb 5, 2018Deed of Trust, Mortgage · Conventional Mortgage
PNC MORTGAGE LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 15, 2015 · Amount on Record
Deed SaleOct 15, 2015 · Amount on Record
Deed Document Number201590028
Prior Transfer DateJun 12, 2006
Prior Transfer Doc0000078183
Record UpdatedOct 29, 2026

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateOct 26, 2023
Property Address316 E NAPA ST, SONOMA, CA 95476-6723
Document Number0000050320
Instrument DateOct 19, 2023
Instrument2023050320
Transaction TypeTransfer
Record UpdatedNov 13, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address316 E NAPA ST, SONOMA, CA 95476-6723

February 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address316 E NAPA ST, SONOMA, CA 95476-6723
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyNATIONALLINK

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000007857
DateFeb 5, 2018
Instrument2018007857
Lender
NamePNC MORTGAGE LLC
TypeLending Institution
AddressMIAMISBURG, OH 45342
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 1, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalitySonoma City
Unified School DistrictSonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,439,089 (+2%) Land $1,569,712 Building $869,377
2025$30,524.00 (+5.84%)$2,391,265 (+4.04%) Land $1,538,934 Building $852,331
2023$28,840.00 (-1.37%)$2,298,411 Land $1,479,176 Building $819,235
2022$29,242.00

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 ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayYes
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Nearby Flood Policies5 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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 SystemCITY OF SONOMA
serves 10,619 people · EPA ID CA4910012
Water SourceGroundwater
Last State InspectionJul 2024
LeadUnder 1 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 579 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

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