Contra Costa County property record for 340 Hartz Ave, Danville, CA 94526
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 6,235 sqft · built 1922 |
| Lot Size | 0.208 acres (9,072 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $881,500 (Dec 2018) |
| Tax Bill | $35,356 (2025) |
| Deeds & Mortgages | Feb 2023 Mortgage Feb 2023 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 208-010-021-3 |
| Primary APN | 208-010-021-3 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 6,235 sqft Gross Area |
| 1st Floor Area | 6,235 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1965 |
| Exterior Material | Combination |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 9,072 sqft (0.208 acres) |
| Lot Dimensions | 142 ft deep x 50 ft wide |
| Street Address | 340 HARTZ AVE, 356 |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-3308 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | MADEROS ADDN POR LOTS 9 & 10 |
| Legal Subdivision | MADEROS ADD |
| Legal Lot Number | 9,10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 345203 |
340 Hartz Ave is held in a trust since December 2018.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 340 HARTZ AVE, 356, DANVILLE, CA 94526-3308 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 15, 2023 | Deed of Trust, Mortgage · Commercial Mortgage US BANK NA |
| Feb 15, 2023 | Deed of Trust, Mortgage · Commercial Mortgage US BANK NA |
| Mar 5, 2025 | Deed of Trust, Mortgage · Commercial Mortgage US BANK NA |
| Dec 19, 2018 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 19, 2018 · Amount on File |
| Deed Sale | Dec 19, 2018 · Amount on File |
| Prior Sale | Mar 25, 2013 · Amount on File |
| Deed Document Number | 2018202553 |
| Prior Transfer Date | Dec 14, 2018 |
| Prior Transfer Doc | 0000202553 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 340 HARTZ AVE, DANVILLE, CA 94526-3308 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2025 |
| Name | Verified Name |
|---|---|
| Address | 170 LA SERENA AVE, ALAMO, CA 94507-2149 |
| Document Number | 0000013803 |
|---|---|
| Date | Feb 15, 2023 |
| Instrument | 2023-013803 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54903 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 340 HARTZ AVE, DANVILLE, CA 94526-3308 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2025 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 170 LA SERENA AVE, ALAMO, CA 94507-2149 |
| Document Number | 0000013804 |
|---|---|
| Date | Feb 15, 2023 |
| Instrument | 2023-013804 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54903 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 340 HARTZ AVE, DANVILLE, CA 94526-3308 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2025 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 170 LA SERENA AVE, ALAMO, CA 94507-2149 |
| Document Number | 0000020384 |
|---|---|
| Date | Mar 5, 2025 |
| Instrument | 2025- 020384 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | 1850 OSBORN AVE, OSHKOSH, WI 54902 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 19, 2018 |
| Property Address | 340 HARTZ AVE # 356, 356, DANVILLE, CA 94526-3308 |
| Document Number | 0000202553 |
| Instrument Date | Dec 14, 2018 |
| Instrument | 202553 |
| Transaction Type | Transfer |
| Record Updated | Jan 2, 2019 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Tax | $1,444.30 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 170 LA SERENA AVE ALAMO CA 945072149, ALAMO, CA 94507-2149 |
The 2025 property tax bill for 340 Hartz Ave was $35,356.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,165,517 (+2%) Land $1,286,519 Building $878,998 | |
| 2025 | $35,356.00 | $2,123,057 Land $1,261,294 Building $861,763 |
| 2023 | $29,140.00 (-3.04%) | $2,040,617 (+2%) Land $1,212,317 Building $828,300 |
| 2022 | $30,054.00 | $2,000,606 Land $1,188,547 Building $812,059 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 340 Hartz Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
| Nearby Flood Policies | 5 in force |
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 risk around 340 Hartz Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 398 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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