12 Dos Posos, Orinda, CA 94563 Property Records

Contra Costa County property record for 12 Dos Posos, Orinda, CA 94563

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,863 sqft · built 1967
Lot Size	0.5 acres (21,780 sqft)
Owner	Company Name on Record
Last Sale	$1,825,000 (Sep 2021)
Tax Bill	$22,758 (2025)
Deeds & Mortgages	Feb 2022 Line of Credit Sep 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`262-093-018-6`

Property Details

APN / Parcel Number

Primary APN	`262-093-018-6`
Alternative APN	`262-093-018`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,863 sqft Living Area
1st Floor Area	2,473 sqft
Basement Area	390 sqft

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1980
Lot Area	21,780 sqft (0.5 acres)
Garage Type	Attached
Garage Area	495 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	12 DOS POSOS
City	ORINDA
State	CA
Zip	94563-1801
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	HACIENDAS DEL ORINDA #2 LOT 295
Legal Subdivision	HACIENDA DEL ORINDA 07
Legal Lot Number	295
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3010
Census Tract	354002

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	12 DOS POSOS, ORINDA, CA 94563-1801
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 25, 2022	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Sep 14, 2022	Intrafamily Transfer, Transfer
Sep 7, 2021	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 7, 2021 · Amount on Record
Deed Sale	Sep 7, 2021 · Amount on Record
Deed Document Number	2021249543
Last Transfer Date	Aug 23, 2022
Transfer Doc	0000139135
Record Updated	Sep 20, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	12 DOS POSOS, ORINDA, CA 94563-1801
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12 DOS POSOS, ORINDA, CA 94563-1801

Mortgage

Document Number	0000034986
Date	Feb 25, 2022
Instrument	2022-034986

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	ORINDA, CA 94563

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 14, 2022
Property Address	12 DOS POSOS, ORINDA, CA 94563-1801
Document Number	0000139135
Map Reference	MB 19 PG 460
Instrument Date	Aug 23, 2022
Instrument	2022-139135
Transaction Type	Transfer
Record Updated	Jun 7, 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	Family Trust
Address	12 DOS POSOS, ORINDA, CA 94563-1801

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 7, 2021
Property Address	12 DOS POSOS, ORINDA, CA 94563-1801
Document Number	0000249543
Map Reference	MB 19 PG 460
Instrument Date	Aug 24, 2021
Instrument	2021-249543
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	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	12 DOS POSOS, ORINDA, CA 94563-1801

Mortgage

Document Number	0000249544
Date	Sep 7, 2021
Instrument	2021-249544

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	3.1%
Type Change Date	Oct 1, 2028
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	Other
Max Rate	10.9%

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		$1,820,000 (-) Land $1,200,000 Building $620,000
2025	$22,758.00 (+6.03%) Homeowner's exemption	$1,820,000 (-2.23%) Land $1,200,000 Building $620,000
2023	$21,463.00 (-5.64%) Homeowner's exemption	$1,861,500 Land $1,224,000 Building $637,500
2022	$22,745.00

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	8 in force
Nearby Flood Claims	11 (1982–2021)
Claims Outside the SFHA	3 of 11
Most Recent Claim	Oct 2021 · rainfall accumulation
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 2 claims Severe Storms, Flooding, Mud And Landslides, Dec 1996 · 2 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

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	0.02% 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 264 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
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, Unwired.

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