404 Oahu Ct, San Ramon, CA 94582 Property Records

Contra Costa County property record for 404 Oahu Ct, San Ramon, CA 94582

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,547 sqft · built 1978
Lot Size	0.298 acres (13,000 sqft)
Owner	2 Individual Names on File
Tax Bill	$4,340 (2025)
Deeds & Mortgages	Sep 2023 Transfer Mar 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`213-150-025-4`

Property Details

APN / Parcel Number

Primary APN	`213-150-025-4`
Alternative APN	`213-150-025`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,547 sqft Living Area
Gross Area	3,192 sqft
1st Floor Area	1,667 sqft
2nd Floor Area	880 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1979
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Tile
Lot Area	13,000 sqft (0.298 acres)
Garage Type	Attached
Garage Area	645 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	404 OAHU CT
City	SAN RAMON
State	CA
Zip	94582-1420
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T04904 L0083 B EX 1/2 MR
Legal Subdivision	4904 COUNTRYVIEW
Legal Tract	04904
Legal Lot Number	83
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1000
Census Tract	345118

Owner

404 Oahu Ct is owned and occupied by two individuals who acquired it in July 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	404 OAHU CT, SAN RAMON, CA 94582-1420
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Sep 11, 2023	Intrafamily Transfer, Transfer
Mar 13, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jul 25, 2023
Transfer Doc	0000087505
Record Updated	Sep 20, 2026

September 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 11, 2023
Property Address	COURT ST, SAN RAMON, CA 94582
Document Number	0000087505
Map Reference	MB 202 PG 26-35
Instrument Date	Jul 25, 2023
Instrument	2023-087505
Transaction Type	Transfer
Record Updated	Sep 19, 2023

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
Relationship	Joint Tenants
Address	404 OAHU CT, SAN RAMON, CA 94582-1420

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 13, 2023
Property Address	COURT ST, SAN RAMON, CA 94582
Document Number	0000023188
Map Reference	MB 202 PG 26-35
Instrument Date	Feb 24, 2023
Instrument	2023-023188
Transaction Type	Transfer
Record Updated	Aug 1, 2023

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
Relationship	Tenants in Common
Address	404 OAHU CT, SAN RAMON, CA 94582-1420

Tax Assessment & Valuation

The 2025 property tax bill for 404 Oahu Ct was $4,340.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	San Ramon City
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$300,356 (+2%) Land $55,415 Building $244,941
2025	$4,340.00	$294,468 Land $54,329 Building $240,139
2023	$4,136.00 (+6.49%)	$283,035 Land $52,220 Building $230,815
2022	$3,884.00

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

Flood

FEMA maps place 404 Oahu Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 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 404 Oahu Ct is low, with a 0.05% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 79% of California
Wildfire Likelihood	0.05% 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	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 290 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
AT&T Fixed Wireless · DSL	100 / 20

May also be available: T-Mobile.

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