Contra Costa County property record for 99 Post Rd, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 5.5 ba · 4,583 sqft · built 1949 |
| Lot Size | 1.55 acres (67,910 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,200,000 (Aug 2011) |
| Tax Bill | $16,918 (2025) |
| Deeds & Mortgages | Oct 2020 Line of Credit May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 188-220-037-9 |
| Primary APN | 188-220-037-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 16 Rooms |
| Stories | 1 Story |
| Building Area | 4,583 sqft Living Area |
| Gross Area | 3,255 sqft |
| 1st Floor Area | 3,255 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 67,910 sqft |
| Garage Area | 748 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 99 POST RD |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2620 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | T171PM34 REMAINDER |
| Legal Subdivision | WALNUT CREEK PARK |
| Legal Tract | 171PM34 |
| Legal Lot Number | 22 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 6 |
| Census Block | 6016 |
| Census Tract | 334200 |
Source: Contra Costa County records · APN 188-220-037-9
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 | Company Name on File |
|---|---|
| Mailing Address | 99 POST RD, ALAMO, CA 94507-2620 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Oct 12, 2020 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| May 27, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 16, 2011 · Amount on Record |
| Deed Sale | Aug 16, 2011 · Amount on Record |
| Prior Sale | Jul 21, 2006 · Amount on Record |
| Deed Document Number | 2011163739 |
| Last Transfer Date | Nov 29, 2011 |
| Transfer Doc | 0000262733 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 99 POST RD, ALAMO, CA 94507-2620 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TTL SAN DIEGO |
| Name | Verified Name |
|---|---|
| Address | 99 POST RD, ALAMO, CA 94507-2620 |
| Document Number | 0000234504 |
|---|---|
| Date | Oct 12, 2020 |
| Instrument | 2020-234504 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | 88154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 99 POST RD, ALAMO, CA 94507-2620 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 99 POST RD, ALAMO, CA 94507-2620 |
| Document Number | 0000157650 |
|---|---|
| Date | May 27, 2021 |
| Instrument | 2021-157650 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2051 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,537,401 (+2%) Land $1,024,935 Building $512,466 | |
| 2025 | $16,918.00 (+3.25%) | $1,507,257 (+4.04%) Land $1,004,839 Building $502,418 |
| 2023 | $16,386.00 (+2.33%) | $1,448,730 Land $965,821 Building $482,909 |
| 2022 | $16,013.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133342006, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 62 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 62 in force |
| Nearby Flood Claims | 8 (1997–2022) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile USA.
Based on FCC filings for 316 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA0110005, 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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