Contra Costa County property record for 3151 Roundhill Rd, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,835 sqft · built 1962 |
| Lot Size | 0.441 acres (19,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,739,000 (Jul 2017) |
| Tax Bill | $22,875 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Dec 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 193-232-006 |
| Primary APN | 193-232-006 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,835 sqft Living Area |
| 1st Floor Area | 2,835 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 19,200 sqft (0.441 acres) |
| Garage Type | Attached |
| Garage Area | 1,008 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3151 ROUNDHILL RD |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-1733 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15 |
| Legal Description | TRACT 2630 LOT 59 EX 1/2 MR |
| Legal Subdivision | ROUNDHILL |
| Legal Tract | 2630 |
| Legal Lot Number | 59 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 346102 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 3148 ROUNDHILL RD, ALAMO, CA 94507-1717 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Sep 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CITY NATIONAL BANK |
| Dec 2, 2021 | Intrafamily Transfer, Transfer |
| Jul 26, 2017 | Grant Deed, Transfer · ARM WELLS FARGO BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 26, 2017 · Amount on Record |
| Deed Sale | Jul 26, 2017 · Amount on Record |
| Prior Sale | Oct 12, 2012 · Amount on Record |
| Deed Document Number | 2017133983 |
| Last Transfer Date | Nov 18, 2021 |
| Transfer Doc | 0000329848 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3151 ROUNDHILL RD, ALAMO, CA 94507-1733 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|---|
| Address | 3148 ROUNDHILL RD, ALAMO, CA 94507-1717 |
| Document Number | 0000270708 |
|---|---|
| Date | Sep 30, 2021 |
| Instrument | 2021-270708 |
| Name | CITY NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | LOS ANGELES, CA 90071 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 2, 2021 |
| Property Address | 3151 ROUNDHILL RD, ALAMO, CA 94507-1733 |
| Document Number | 0000329848 |
| Map Reference | VOL 76 PG 1 |
| Instrument Date | Nov 18, 2021 |
| Instrument | 2021-329848 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 225 MAYHEW WAY APT 28, 28, WALNUT CREEK, CA 94597-2182 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 26, 2017 |
| Property Address | 3151 ROUNDHILL RD, ALAMO, CA 94507-1733 |
| Document Number | 0000133983 |
| Map Reference | MB76 PG1 |
| Instrument Date | Jul 24, 2017 |
| Instrument | 2017-133983 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 3148 ROUNDHILL RD, ALAMO, CA 94507-1717 |
| Document Number | 0000133984 |
|---|---|
| Date | Jul 26, 2017 |
| Instrument | 2017-133984 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.87% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Aug 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.87% |
| Index | 1-Year LIBOR |
| Max Rate | 7.87% |
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 | $2,018,252 (+2%) Land $1,044,524 Building $973,728 | |
| 2025 | $22,875.00 (+3.55%) | $1,978,680 (+4.04%) Land $1,024,044 Building $954,636 |
| 2023 | $22,091.00 (+0.72%) | $1,901,847 Land $984,280 Building $917,567 |
| 2022 | $21,932.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 1 (2002) |
| Most Recent Claim | Dec 2002 · rainfall accumulation |
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 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 284 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures