Contra Costa County property record for 312 Harding Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,554 sqft · built 1977 |
| Lot Size | 0.269 acres (11,700 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $620,000 (Jan 2002) |
| Tax Bill | $10,764 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Sep 2022 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-661-016-1 |
| Primary APN | 210-661-016-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,554 sqft Living Area |
| 1st Floor Area | 1,441 sqft |
| 2nd Floor Area | 1,113 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Lot Area | 11,700 sqft (0.269 acres) |
| Garage Type | Attached |
| Garage Area | 714 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 312 HARDING PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3613 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-10 |
| Legal Description | TRACT 4440 LOT 68 EX MR |
| Legal Subdivision | SUBDIVISION 4440 |
| Legal Tract | 4440 |
| Legal Lot Number | 68 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 345103 |
312 Harding Pl is held in a trust since August 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Owner Type | Company |
| Vesting | 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 |
|---|---|
| Sep 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HOME LOANS INC |
| Sep 19, 2022 | Intrafamily Transfer, Transfer |
| Aug 6, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HM LOANS |
| Feb 28, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage CALIBER HM LOANS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 14, 2002 · Amount on File |
| Deed Sale | Jan 14, 2002 · Amount on File |
| Prior Sale | Feb 14, 1997 · Amount on File |
| Deed Document Number | 200211869 |
| Last Transfer Date | Aug 3, 2022 |
| Transfer Doc | 0000140753 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Document Number | 0000271496 |
|---|---|
| Date | Sep 30, 2021 |
| Instrument | 2021-271496 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 19, 2022 |
| Property Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Document Number | 0000140753 |
| Map Reference | MB 176 PG 37 |
| Instrument Date | Aug 3, 2022 |
| Instrument | 2022-140753 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Document Number | 0000125341 |
| Instrument Date | Aug 6, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Aug 16, 2019 |
| Title Company | WFG TITLE INSURANCE COMPANY, WFG TITLE INS CO |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 312 HARDING PL SAN RAMON CA 945833613, SAN RAMON, CA 94583-3613 |
| Document Number | 0000125341 |
|---|---|
| Date | Aug 8, 2019 |
| Instrument | 125341 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 7, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 28, 2019 |
| Property Address | 312 HARDING PL, SAN RAMON, CA 94583-3613 |
| Document Number | 0000027211 |
| Instrument Date | Feb 22, 2019 |
| Instrument | 27211 |
| Transaction Type | Transfer |
| Record Updated | Mar 11, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 312 HARDING PL SAN RAMON CA 945833613, SAN RAMON, CA 94583-3613 |
| Document Number | 27212 |
|---|---|
| Date | Feb 28, 2019 |
| Instrument | 27212 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 27, 2049 |
The 2025 property tax bill for 312 Harding Pl was $10,764.
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 | $934,220 (+2%) Land $497,246 Building $436,974 | |
| 2025 | $10,764.00 | $915,903 Land $487,497 Building $428,406 |
| 2023 | $10,384.00 (+0.73%) | $880,339 Land $468,568 Building $411,771 |
| 2022 | $10,309.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 312 Harding Pl in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2022.
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 File 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.
Wildfire risk around 312 Harding Pl is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 350 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 Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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