San Mateo County property record for 45 Holbrook Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 4,444 sqft · built 2003 |
| Lot Size | 0.474 acres (20,647 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $4,839,000 (Aug 2016) |
| Tax Bill | $63,935 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 060-171-090 |
| Primary APN | 060-171-090 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 11 Rooms |
| Stories | 3 Stories |
| Building Area | 4,444 sqft Living Area |
| 1st Floor Area | 1,918 sqft |
| 2nd Floor Area | 1,542 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Ranch |
| Roof Material | Wood Shingle |
| Lot Area | 20,647 sqft (0.474 acres) |
| Lot Dimensions | 227 ft deep x 91 ft wide |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 45 HOLBROOK LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-2036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 12 FAIR OAKS HALF ACRES RSM 10/27 TOWN OF ATHERTON |
| Legal Subdivision | FAIR OAKS HALF ACRES |
| Legal Lot Number | 12 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 611500 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 45 HOLBROOK LN, ATHERTON, CA 94027-2036 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 30, 2016 · Amount on Record |
| Deed Sale | Aug 30, 2016 · Amount on Record |
| Prior Sale | Jan 5, 2004 · Amount on Record |
| Deed Document Number | 201688129 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 45 HOLBROOK LN, ATHERTON, CA 94027-2036 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 45 HOLBROOK LN, ATHERTON, CA 94027-2036 |
| Document Number | 0000096016 |
|---|---|
| Date | Jun 23, 2021 |
| Instrument | 2021-096016 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2051 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Menlo Park City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,728,390 (+2%) Land $3,295,690 Building $2,432,700 | ||
| 2025 | $63,935.00 (+4.78%) Homeowner's exemption | $5,616,069 (+4.04%) Land $3,231,069 Building $2,385,000 | |
| 2023 | $61,016.00 (+2.47%) Homeowner's exemption | $5,397,992 Land $3,105,603 Building $2,292,389 | $6,552,360 |
| 2022 | $59,547.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 10, 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 |
| Nearby Flood Policies | 4 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 | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 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.
Source: FCC Broadband Data Collection, based on 313 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile.
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