Contra Costa County property record for 3136 Stonegate Dr, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 4,523 sqft · built 1991 |
| Lot Size | 0.404 acres (17,600 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,620,000 (Jun 2021) |
| Tax Bill | $31,877 (2025) |
| Deeds & Mortgages | Jun 2021 Sale & Mortgage Aug 2018 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 187-533-004-3 |
| Primary APN | 187-533-004-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,523 sqft Living Area |
| 1st Floor Area | 2,170 sqft |
| 2nd Floor Area | 2,353 sqft |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 17,600 sqft (0.404 acres) |
| Garage Type | Attached |
| Garage Area | 763 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 3136 STONEGATE DR |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-1762 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T6885 L22 |
| Legal Subdivision | SUBDIVISION 6885 |
| Legal Tract | 6885 |
| Legal Lot Number | 22 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 346101 |
Source: Contra Costa County records · APN 187-533-004-3
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3136 STONEGATE DR, ALAMO, CA 94507-1762 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 11, 2021 | Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Aug 21, 2018 | Affidavit of Death, Transfer |
| Jun 26, 2018 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 11, 2021 · Amount on Record |
| Deed Sale | Jun 11, 2021 · Amount on Record |
| Prior Sale | Jul 10, 2001 · Amount on Record |
| Deed Document Number | 2021170590 |
| Prior Transfer Date | Apr 19, 2017 |
| Prior Transfer Doc | 0000101563 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 11, 2021 |
| Property Address | 3136 STONEGATE DR, ALAMO, CA 94507-1762 |
| Document Number | 0000170590 |
| Map Reference | MB 331 PG 31 |
| Instrument Date | Jun 01, 2021 |
| Instrument | 2021-170590 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3136 STONEGATE DR, ALAMO, CA 94507-1762 |
| Document Number | 0000170591 |
|---|---|
| Date | Jun 11, 2021 |
| Instrument | 2021-170591 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2051 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 21, 2018 |
| Property Address | 3136 STONEGATE DR, ALAMO, CA 94507-1762 |
| Document Number | 0000133029 |
| Instrument Date | Jul 24, 2018 |
| Instrument | 133029 |
| Transaction Type | Transfer |
| Record Updated | Aug 30, 2018 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 3136 STONEGATE DR ALAMO CA 945071762, ALAMO, CA 94507-1762 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 26, 2018 |
| Property Address | 3136 STONEGATE DR, ALAMO, CA 94507-1762 |
| Document Number | 0000101563 |
| Instrument Date | Apr 19, 2017 |
| Instrument | 101563 |
| Transaction Type | Transfer |
| Record Updated | Jul 05, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3136 STONEGATE DR ALAMO CA 945071762, ALAMO, CA 94507-1762 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,892,689 (+2%) Land $1,324,895 Building $1,567,794 | |
| 2025 | $31,877.00 (+3.96%) | $2,835,970 (+4.04%) Land $1,298,917 Building $1,537,053 |
| 2023 | $30,662.00 (+0.76%) | $2,725,848 Land $1,248,480 Building $1,477,368 |
| 2022 | $30,432.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | High above 80% of the US · above 58% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: Radiate Holdings, Verizon.
Based on FCC filings for 160 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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