Contra Costa County property record for 1545 Ave Nueva, Diablo, CA 94528
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4.5 ba · 5,222 sqft · built 2015 |
| Lot Size | 0.57 acres (24,829 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $970,000 (Apr 2003) |
| Tax Bill | $27,530 (2025) |
| Deeds & Mortgages | May 2026 Sale Jul 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 195-270-005 |
| Primary APN | 195-270-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 15 Rooms |
| Stories | 2 Stories |
| Building Area | 5,222 sqft Living Area |
| 1st Floor Area | 2,812 sqft |
| 2nd Floor Area | 2,410 sqft |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2016 |
| Lot Area | 24,829 sqft (0.57 acres) |
| Garage Type | Attached |
| Garage Area | 605 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1545 AVENIDA NUEVA |
|---|---|
| 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 .57 AC |
| Legal Subdivision | MOUNT DIABLO ESTATE PARK 01 |
| Legal Lot Number | 153 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 346205 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 1545 AVENIDA NUEVA, DIABLO, CA 94528 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| May 5, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Jul 1, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 17, 2003 · Amount on Record |
| Deed Sale | Apr 17, 2003 · Amount on Record |
| Deed Document Number | 2003175866 |
| Last Transfer Date | Jan 4, 2012 |
| Transfer Doc | 0000100710 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 5, 2026 |
| Property Address | 1545 AVENIDA NUEVA, DIABLO, CA 94528 |
| Document Number | 0000046506 |
| Instrument Date | Apr 30, 2026 |
| Instrument | 202646506 |
| Transaction Type | Transfer |
| Record Updated | Aug 28, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1545 AVENIDA NUEVA, DIABLO, CA 94528 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1545 AVENIDA NUEVA, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 1545 AVENIDA NUEVA, DIABLO, CA 94528 |
| Document Number | 0000188992 |
|---|---|
| Date | Jul 1, 2021 |
| Instrument | 2021-188992 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 357 Months |
| Due | Apr 1, 2051 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,432,414 (+2%) Land $1,080,047 Building $1,352,367 | |
| 2025 | $27,530.00 (+3.69%) Homeowner's exemption | $2,384,720 (+4.04%) Land $1,058,870 Building $1,325,850 |
| 2023 | $26,550.00 (+0.81%) Homeowner's exemption | $2,292,119 Land $1,017,753 Building $1,274,366 |
| 2022 | $26,336.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
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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