121 Nautical Cv, Hercules, CA 94547 Property Records

Contra Costa County property record for 121 Nautical Cv, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,096 sqft · built 2003
Lot Size	0.127 acres (5,516 sqft)
Owner	Individual Name on Record
Last Sale	$289,000 (Jan 2005)
Tax Bill	$13,543 (2025)
Deeds & Mortgages	May 2021 Mortgage Nov 2019 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`404-540-021-7`

Property Details

APN / Parcel Number

Primary APN	`404-540-021-7`
Alternative APN	`404-540-021`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,096 sqft Living Area
1st Floor Area	1,505 sqft
2nd Floor Area	1,591 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Cluster
Lot Area	5,516 sqft (0.127 acres)
Garage Type	Attached
Garage Area	727 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	121 NAUTICAL CV
City	HERCULES
State	CA
Zip	94547-2636
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8596 L21
Legal Subdivision	SUBDIVISION 8596
Legal Tract	8596
Legal Lot Number	21
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1005
Census Tract	392300

Owner

Source: Contra Costa County records, as of July 14, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	121 NAUTICAL CV, HERCULES, CA 94547-2636
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 5, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 19, 2019	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Nov 19, 2019	Intrafamily Transfer, Transfer · Conventional Mortgage FREMONT BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 6, 2005 · Amount on Record
Deed Sale	Jan 6, 2005 · Amount on Record
Prior Sale	Nov 4, 2003 · Amount on Record
Deed Document Number	20055916
Last Transfer Date	Apr 28, 2021
Transfer Doc	0000134843
Record Updated	Oct 29, 2026

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 5, 2021
Property Address	121 NAUTICAL CV, HERCULES, CA 94547-2636
Document Number	0000134843
Map Reference	MB 443 PG 13
Instrument Date	Apr 28, 2021
Instrument	2021-134843
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	121 NAUTICAL CV, HERCULES, CA 94547-2636

Mortgage

Document Number	0000134844
Date	May 5, 2021
Instrument	2021-134844

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

November 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 19, 2019
Property Address	121 NAUTICAL CV, HERCULES, CA 94547-2636
Document Number	0000206760
Instrument Date	Nov 11, 2019
Instrument	206760
Transaction Type	Transfer
Record Updated	Nov 28, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	121 NAUTICAL CV HERCULES CA 945472636, HERCULES, CA 94547-2636

November 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 19, 2019
Property Address	121 NAUTICAL CV, HERCULES, CA 94547-2636
Document Number	0000206761
Map Reference	MB 443 PG 13
Instrument Date	Nov 11, 2019
Instrument	2019-206761
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	121 NAUTICAL CV, HERCULES, CA 94547-2636

Mortgage

Document Number	0000206762
Date	Nov 19, 2019
Instrument	2019-206762

Lender

Name	FREMONT BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2049

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$890,274 (+2%) Land $222,307 Building $667,967
2025	$13,543.00 (+5.84%) Homeowner's exemption	$872,819 (+4.04%) Land $217,949 Building $654,870
2023	$12,796.00 (+1.35%) Homeowner's exemption	$838,929 Land $209,487 Building $629,442
2022	$12,626.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 0.01% 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 120 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: T-Mobile.

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