Contra Costa County property record for 638 Glenside Dr, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,816 sqft · built 1952 |
| Lot Size | 0.448 acres (19,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,000,000 (Oct 2008) |
| Tax Bill | $18,769 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 238-101-002 |
| Primary APN | 238-101-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,816 sqft Living Area |
| 1st Floor Area | 2,816 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1992 |
| Lot Area | 19,500 sqft (0.448 acres) |
| Garage Type | Attached |
| Garage Area | 485 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 638 GLENSIDE DR |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-5320 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOS PALOS ESTATES LOT 18 |
| Legal Subdivision | LOS PALOS ESTATES |
| Legal Lot Number | 18 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 351200 |
638 Glenside Dr is owned and occupied by two individuals who bought it in October 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 638 GLENSIDE DR, LAFAYETTE, CA 94549-5320 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 17, 2008 · Amount on File |
| Deed Sale | Oct 17, 2008 · Amount on File |
| Prior Sale | Feb 28, 1996 · Amount on File |
| Deed Document Number | 2008231242 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 638 GLENSIDE DR, LAFAYETTE, CA 94549-5320 |
| Document Number | 0000182566 |
| Instrument Date | Aug 18, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Sep 15, 2020 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 638 GLENSIDE DR LAFAYETTE CA 945495320, LAFAYETTE, CA 94549-5320 |
| Document Number | 0000182566 |
|---|---|
| Date | Aug 26, 2020 |
| Instrument | 182566 |
| Name | BETTER MTG CORP ISAOA |
|---|---|
| Address | NEW YORK, NY 10271 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Aug 25, 2035 |
The 2025 property tax bill for 638 Glenside Dr was $18,769 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,569,514 (+2%) Land $945,726 Building $623,788 | |
| 2025 | $18,769.00 Homeowner's exemption | $1,538,740 Land $927,183 Building $611,557 |
| 2023 | $18,127.00 (+1.56%) Homeowner's exemption | $1,478,990 Land $891,180 Building $587,810 |
| 2022 | $17,849.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 638 Glenside Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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.
Wildfire risk around 638 Glenside Dr is moderate, ranking above 48% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 48% of the US · lower than 71% of California |
|---|---|
| Wildfire Likelihood | 0.09% 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 252 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, Unwired.
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