101 el Nido Ct, Diablo, CA 94528 Property Records

Contra Costa County property record for 101 el Nido Ct, Diablo, CA 94528

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 3,645 sqft · built 1976
Lot Size0.723 acres (31,500 sqft)
Owner2 Trust Names on File
Last Sale$1,310,000 (Jul 2010)
Tax Bill$20,402 (2025)
Deeds & MortgagesDec 2025 Transfer
Dec 2025 Transfer
+ 4 more
Flood ZoneZone X (minimal risk)
APN195-361-021-7

Property Details

APN / Parcel Number

Primary APN195-361-021-7
Alternative APN
  • 195-361-021

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories1 Story
Building Area3,645 sqft Living Area
Gross Area4,221 sqft
1st Floor Area2,296 sqft
Basement Area1,349 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1976
Effective Year BuiltEffective 1985
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area31,500 sqft (0.723 acres)
Garage TypeAttached
Garage Area576 sqft
Parking Spaces2 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address101 EL NIDO CT
CityDIABLO
StateCA
Zip94528
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20
Legal DescriptionTRACT 4522 LOT 21
Legal SubdivisionSUBDIVISION 4522
Legal Tract4522
Legal Lot Number21
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract346205

Owner

101 el Nido Ct is owner-occupied and held in a trust since May 2021.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Trust Names on File
Mailing Address101 EL NIDO CT, DIABLO, CA 94528
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Living Trust

Deeds, Mortgages & Sale History

DateDocument
Dec 2, 2025Intrafamily Transfer, Transfer
Dec 2, 2025Intrafamily Transfer, Transfer
Jun 10, 2021Intrafamily Transfer, Transfer
ACCOMMODATION
Jun 10, 2021Intrafamily Transfer, Transfer · Conventional Mortgage
OPTIMUM FIRST INC
Sep 29, 2020Intrafamily Transfer, Transfer
ACCOMMODATION
Oct 11, 2019Deed of Trust, Mortgage · Conventional Mortgage
OPTIMUM FIRST INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 22, 2010 · Amount on File
Deed SaleJul 22, 2010 · Amount on File
Prior SaleDec 11, 1997 · Amount on File
Deed Document Number2010146766
Last Transfer DateMay 5, 2021
Transfer Doc0000168998
Record UpdatedOct 29, 2026

December 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateDec 2, 2025
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000134876
Map ReferenceMB 168 PG 49
Instrument DateDec 2, 2025
Instrument2025- 134876
Transaction TypeTransfer
Record UpdatedDec 11, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRight of Survivorship
Address101 EL NIDO CT, DIABLO, CA 94528

December 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateDec 2, 2025
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000134877
Map ReferenceMB 168 PG 49
Instrument DateDec 2, 2025
Instrument2025- 134877
Transaction TypeTransfer
Record UpdatedDec 11, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address101 EL NIDO CT, DIABLO, CA 94528

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 10, 2021
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000168998
Map ReferenceMB 168 PG 49
Instrument DateMay 5, 2021
Instrument2021-168998
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyACCOMMODATION

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Living Trust
Address101 EL NIDO CT, DIABLO, CA 94528

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 10, 2021
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000168996
Map ReferenceMB 168 PG 49
Instrument DateMay 5, 2021
Instrument2021-168996
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyWFG TITLE COMPANY/CA, WFG TITLE COMPANY OF CA

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address101 EL NIDO CT, DIABLO, CA 94528

Mortgage

Document Number0000168997
DateJun 10, 2021
Instrument2021-168997
Lender
NameOPTIMUM FIRST INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueJul 1, 2051

September 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateSep 29, 2020
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000220937
Map ReferenceMB 168 PG 49
Instrument DateSep 24, 2020
Instrument2020-220937
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyACCOMMODATION

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Living Trust
AddressPO BOX 912, DIABLO, CA 94528-0912

October 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address101 EL NIDO CT, DIABLO, CA 94528
Document Number0000177214
Instrument DateOct 11, 2019
Transaction TypeMortgage
Record UpdatedOct 25, 2019
Title CompanyWFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address101 EL NIDO CT DIABLO CA 94528, DIABLO, CA 94528

Mortgage

Document Number0000177214
DateOct 17, 2019
Instrument177214
Lender
NameOPTIMUM FIRST INC
AddressFOUNTAIN VALLEY, CA 92708
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueOct 16, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 101 el Nido Ct was $20,402.

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$1,774,363 (+2%) Land $1,176,115 Building $598,248
2025$20,402.00 Homeowner's exemption$1,739,572 Land $1,153,054 Building $586,518
2023$19,658.00 (+0.84%) Homeowner's exemption$1,672,025 Land $1,108,281 Building $563,744
2022$19,494.00

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

Flood

FEMA maps place 101 el Nido Ct in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.

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 File
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

Wildfire risk around 101 el Nido Ct is high, ranking above 72% of the US, with a 0.3% annual chance of 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 Ct

Nearby Streets

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