1434 Grayson Ave, Saint Helena, CA 94574 Property Records

Napa County property record for 1434 Grayson Ave, Saint Helena, CA 94574

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,116 sqft · built 1948
Lot Size	0.38 acres (16,553 sqft)
Owner	2 Individual Names on File
Last Sale	$1,399,000 (Apr 2017)
Tax Bill	$17,609 (2026)
Deeds & Mortgages	Jul 2020 Line of Credit Apr 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`009-340-002-000`

Property Details

APN / Parcel Number

Primary APN	`009-340-002-000`
Alternative APNs	`009-340-002` `00934002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	2,116 sqft Living Area
1st Floor Area	2,116 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 2000
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	16,553 sqft (0.38 acres)
Garage Type	Attached
Garage Area	600 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	Central

Location & Zoning

Old Parcel Number	009-340-002
Street Address	1434 GRAYSON AVE
City	SAINT HELENA
State	CA
Zip	94574-2129
Property Category	Residential
Property Type	Residential > Single Family > Home
Jurisdiction	NAPA CA
Township / Civil Division	ST. HELENA
Census Block Group	1
Census Block	1001
Census Tract	201601

Owner

1434 Grayson Ave is owned and occupied by two individuals who bought it in April 2017.

Source: Napa County records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	1434 GRAYSON AVE, SAINT HELENA, CA 94574-2129
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

Date	Document
Jul 2, 2020	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
Apr 20, 2017	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 20, 2017 · Amount on File
Deed Sale	Apr 20, 2017 · Amount on File
Prior Sale	Jul 16, 2015 · Amount on File
Deed Document Number	20179195
Prior Transfer Date	Jun 24, 2015
Prior Transfer Doc	0000018374
Record Updated	Oct 29, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NAPA CA
Property Address	1434 GRAYSON AVE, SAINT HELENA, CA 94574-2129
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000015689
Date	Jul 2, 2020
Instrument	2020-0015689

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	299 Months
Due	Jun 26, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	NAPA CA
Recording Date	Apr 20, 2017
Property Address	1434 GRAYSON AVE, SAINT HELENA, CA 94574-2129
Document Number	0000009195
Instrument Date	Apr 3, 2017
Instrument	2017-0009195
Transaction Type	Transfer
Record Updated	Aug 12, 2021
Title Company	FIRST AMERICAN TITLE CO NAPA

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	1434 GRAYSON AVE, SAINT HELENA, CA 94574-2129

Mortgage

Document Number	0000009196
Date	Apr 20, 2017
Instrument	2017-0009196

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2047

Tax Assessment & Valuation

The 2026 property tax bill for 1434 Grayson Ave was $17,609, up 1.7% from the year before.

Source: Napa County assessment roll, as of October 21, 2026

Property Jurisdictions

Type	Name
State	California
County	Napa County
Municipality	St. Helena City
Unified School District	St. Helena Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$17,609.00 (+1.73%)	$1,656,125 (+2%) Land $769,465 Building $886,660	$1,656,125 (+2%) Land $769,465 Building $886,660
2025	$17,309.00	$1,623,653 Land $754,378 Building $869,275	$1,623,653 Land $754,378 Building $869,275
2023	$16,761.00 (+3.98%)	$1,560,607 Land $725,086 Building $835,521
2022	$16,120.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 1434 Grayson Ave in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1995.

Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · 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
Nearby Flood Policies	9 in force
Nearby Flood Claims	7 (1995–2006)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Sep 2006 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 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 1434 Grayson Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 System	CITY OF ST. HELENA serves 5,386 people · EPA ID CA2810004
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids not recorded as resolved · Jul 2023 Treatment failure resolved · Nov 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 205 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, Valley Internet.

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