29 Ranchitos del Sol, Diablo, CA 94528 Property Records

Contra Costa County property record for 29 Ranchitos del Sol, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 4,471 sqft · built 1954
Lot Size	0.537 acres (23,400 sqft)
Owner	Company Name on Record
Last Sale	$2,350,000 (Jul 2020)
Tax Bill	$29,252 (2025)
Deeds & Mortgages	Jul 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`195-280-009`

Property Details

APN / Parcel Number

Primary APN	`195-280-009`
Alternative APN	`195-280-009-0`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	4,471 sqft Living Area
1st Floor Area	4,471 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1995
Lot Area	23,400 sqft (0.537 acres)
Garage Type	Attached
Garage Area	704 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	29 RANCHITOS DEL SOL
City	DIABLO
State	CA
Zip	94528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	POR MT DIABLO EST PARK #1
Legal Subdivision	MOUNT DIABLO ESTATE PARK 01
Legal Lot Number	189
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1019
Census Tract	346205

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	865 ESTABROOK ST, SAN LEANDRO, CA 94577-3439
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 8, 2020 · Amount on Record
Deed Sale	Jul 8, 2020 · Amount on Record
Prior Sale	Feb 26, 2015 · Amount on Record
Deed Document Number	2020135184
Prior Transfer Date	Oct 5, 2015
Prior Transfer Doc	0000209971
Record Updated	Sep 20, 2026

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 8, 2020
Property Address	29 RANCHITOS DEL SOL, DIABLO, CA 94528
Document Number	0000135184
Instrument Date	Jul 7, 2020
Instrument	135184
Transaction Type	Transfer
Record Updated	Jul 22, 2020
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,585.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	29 RANCHITOS DEL SOL DIABLO CA 94528, DIABLO, CA 94528

Mortgage

Document Number	135185
Date	Jul 8, 2020
Instrument	135185

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	1050 WOODWARD AVE, DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jul 7, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.27%

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,594,586 (+2%) Land $1,324,895 Building $1,269,691
2025	$29,252.00 (+3.68%) Homeowner's exemption	$2,543,713 (+4.04%) Land $1,298,917 Building $1,244,796
2023	$28,213.00 (+0.81%) Homeowner's exemption	$2,444,940 Land $1,248,480 Building $1,196,460
2022	$27,987.00

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
Flood Insurance Cost	Premium on Record median of 18 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	18 in force
Nearby Flood Claims	1 (2017)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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	High above 70% of the US · above 45% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 153 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Verizon.

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