1848 el Nido, Diablo, CA 94528 Property Records

Contra Costa County property record for 1848 el Nido, Diablo, CA 94528

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.5 ba · 2,783 sqft · built 1975
Lot Size0.564 acres (24,570 sqft)
OwnerCompany Name on Record
Last Sale$1,200,000 (Jul 2011)
Tax Bill$18,421 (2025)
Deeds & MortgagesNov 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN195-361-009-2

Property Details

APN / Parcel Number

Primary APN195-361-009-2
Alternative APN
  • 195-361-009

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories1 Story
Building Area2,783 sqft Living Area
1st Floor Area2,783 sqft

Exterior

Year BuiltBuilt 1975
Effective Year BuiltEffective 1995
Lot Area24,570 sqft (0.564 acres)
Garage TypeAttached
Garage Area648 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address1848 EL NIDO
CityDIABLO
StateCA
Zip94528
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20
Legal DescriptionTRACT 4522 LOT 9
Legal SubdivisionSUBDIVISION 4522
Legal Tract4522
Legal Lot Number9
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract346205

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 RecordCompany Name on Record
Mailing AddressPO BOX 641, DIABLO, CA 94528-0641
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 6, 2011 · Amount on Record
Deed SaleJul 6, 2011 · Amount on Record
Deed Document Number2011132375
Last Transfer DateDec 23, 2014
Transfer Doc0000000053
Record UpdatedOct 29, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address1848 EL NIDO, DIABLO, CA 94528
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address1848 EL NIDO, DIABLO, CA 94528

Mortgage

Document Number0000278619
DateNov 18, 2020
Instrument2020-278619
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueDec 1, 2035

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,566,995 (+2%) Land $1,281,172 Building $285,823
2025$18,421.00 (+3.77%)$1,536,270 (+4.04%) Land $1,256,051 Building $280,219
2023$17,752.00 (+0.83%)$1,476,617 Land $1,207,278 Building $269,339
2022$17,605.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 18 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies18 in force
Nearby Flood Claims1 (2017)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 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 RiskHigh
above 72% of the US · above 47% of California
Wildfire Likelihood0.3% annual chance
ExposureDirect
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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 130 locations within half a mile, as of December 31, 2025

ProviderMax 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: Etheric Networks, Verizon.

Nearby Properties on el Nido

Nearby Streets

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