Contra Costa County property record for 323 Harding Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,906 sqft · built 1978 |
| Lot Size | 0.333 acres (14,500 sqft) |
| Owner | Company Name on Record |
| Last Sale | $350,000 (Jul 1994) |
| Tax Bill | $7,137 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-661-012 |
| Primary APN | 210-661-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,906 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| 2nd Floor Area | 1,490 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Lot Area | 14,500 sqft (0.333 acres) |
| Garage Type | Attached |
| Garage Area | 639 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 323 HARDING PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3613 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04440 L0072 B EX MR |
| Legal Tract | 04440 |
| Legal Lot Number | 72 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 345103 |
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 Record | Company Name on Record |
|---|---|
| Mailing Address | 323 HARDING PL, SAN RAMON, CA 94583-3613 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 8, 1994 · Amount on Record |
| Deed Sale | Jul 8, 1994 · Amount on Record |
| Deed Document Number | 1994177724 |
| Last Transfer Date | Aug 26, 2016 |
| Transfer Doc | 0000192713 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $599,626 (+2%) Land $222,714 Building $376,912 | |
| 2025 | $7,137.00 (+3.78%) Homeowner's exemption | $587,870 (+4.04%) Land $218,348 Building $369,522 |
| 2023 | $6,877.00 (+0.73%) Homeowner's exemption | $565,044 Land $209,870 Building $355,174 |
| 2022 | $6,827.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, 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 | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 156 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures