100 Ardith Dr, Orinda, CA 94563 Property Records

Contra Costa County property record for 100 Ardith Dr, Orinda, CA 94563

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,622 sqft · built 1953
Lot Size	0.441 acres (19,200 sqft)
Owner	Company Name on Record
Last Sale	$310,000 (Jun 1994)
Tax Bill	$8,262 (2025)
Deeds & Mortgages	Apr 2018 Mortgage Nov 2020 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`271-301-028-4`

Property Details

APN / Parcel Number

Primary APN	`271-301-028-4`
Alternative APN	`271-301-028`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,622 sqft Living Area
1st Floor Area	2,286 sqft
Basement Area	336 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1963
Lot Area	19,200 sqft (0.441 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	100 ARDITH DR
City	ORINDA
State	CA
Zip	94563-4202
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	INLAND VALLEY 28
Legal Subdivision	INLAND VLY
Legal Lot Number	28
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	352201

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	100 ARDITH DR, ORINDA, CA 94563-4202
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 23, 2018	Deed of Trust, Mortgage · ARM US BANK NA
Nov 25, 2020	Deed of Trust, Mortgage · Line of Credit QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 24, 1994 · Amount on Record
Deed Sale	Jun 24, 1994 · Amount on Record
Deed Document Number	1994166734
Last Transfer Date	Apr 1, 2015
Transfer Doc	0000065363
Record Updated	Sep 20, 2026

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 ARDITH DR, ORINDA, CA 94563-4202
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE GROU

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000062280
Date	Apr 23, 2018
Instrument	2018-062280

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.25%
Type Change Date	May 1, 2023
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	6.25%
Index	1-Year CMT
Max Rate	10.2%

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	100 ARDITH DR, ORINDA, CA 94563-4202
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000288271
Date	Nov 25, 2020
Instrument	2020-288271

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Nov 5, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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	Orinda City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Orinda Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$613,937 (+2%) Land $369,779 Building $244,158
2025	$8,262.00 (-0.18%) Homeowner's exemption	$601,900 (+4.04%) Land $362,529 Building $239,371
2023	$8,277.00 (+1.03%) Homeowner's exemption	$578,529 Land $348,452 Building $230,077
2022	$8,193.00

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force
Nearby Flood Claims	4 (1982–2005)
Claims Outside the SFHA	1 of 4
Most Recent Claim	Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides

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	Moderate above 62% of the US · lower than 62% of California
Wildfire Likelihood	0.2% 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 93 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
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks.

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