Contra Costa County property record for 100 Los Balcones, Alamo, CA 94507
| Property Type | Residential Vacant Land |
|---|---|
| Details | 3,669 sqft · built 1980 |
| Lot Size | 14.5 acres (635,540 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $3,650,000 (Aug 2026) |
| Tax Bill | $8,275 (2025) |
| Deeds & Mortgages | Aug 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 197-050-016-9 |
| Primary APN | 197-050-016-9 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,669 sqft Gross Area |
| 1st Floor Area | 3,669 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 635,540 sqft |
| Street Address | 100 LOS BALCONES |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2035 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | A2 |
| Legal Description | PCL MAP 102 PG 3 POR PCL A&TR ADJ EX POR M/R |
| Legal Tract | 102PM3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 346206 |
Source: Contra Costa County records, as of August 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 436 MARIAN LN, DANVILLE, CA 94526-3217 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 13, 2026 · Amount on Record |
| Deed Sale | Aug 13, 2026 · Amount on Record |
| Deed Document Number | 202685563 |
| Prior Transfer Date | Aug 10, 2026 |
| Prior Transfer Doc | 0000085562 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 13, 2026 |
| Property Address | 100 LOS BALCONES, ALAMO, CA 94507-2035 |
| Document Number | 0000085562 |
| Instrument Date | Aug 10, 2026 |
| Instrument | 202685562 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2026 |
| Title Company | STEWART TITLE, STEWART TITLE OF CALIFORNIA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Sole Owner |
| Address | 436 MARIAN LN, DANVILLE, CA 94526-3217 |
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 | $768,148 (+2%) Land $233,044 Building $535,104 | |
| 2025 | $8,275.00 (+3.46%) Homeowner's exemption | $753,087 (+4.04%) Land $228,475 Building $524,612 |
| 2023 | $7,998.00 (+0.74%) Homeowner's exemption | $723,846 Land $219,604 Building $504,242 |
| 2022 | $7,939.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 141 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 · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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