San Mateo County property record for 55 Aster Ave, Hillsborough, CA 94010 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5.5 ba · 7,020 sqft · built 1952 |
| Lot Size | 0.645 acres (28,113 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $10,450,000 (Mar 2021) |
| Tax Bill | $132,581 (2025) |
| Deeds & Mortgages | Dec 2021 Transfer Mar 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-261-040 |
| Primary APN | 028-261-040 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 7,020 sqft Living Area |
| 1st Floor Area | 4,160 sqft |
| 2nd Floor Area | 2,860 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 4 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Colonial |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 28,113 sqft (0.645 acres) |
| Lot Dimensions | 215 ft deep x 130 ft wide |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 55 ASTER AVE |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-6442 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 154 FT ON WLY LN ASTER AVE PTNS LOTS 1 2 3 & 8 BLK 3 BURLINGAME PARK NO 3 RSM C/63 |
| Legal Subdivision | BURLINGAME PARK NO 3 |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 605600 |
Source: San Mateo County records · APN 028-261-040
Assessment roll updated July 15, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 55 ASTER AVE, HILLSBOROUGH, CA 94010-6442 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 09, 2021 | Intrafamily Transfer, Transfer |
| Mar 31, 2021 | Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 31, 2021 · Amount on Record |
| Deed Sale | Mar 31, 2021 · Amount on Record |
| Prior Sale | May 21, 2014 · Amount on Record |
| Deed Document Number | 202151302 |
| Last Transfer Date | Dec 06, 2021 |
| Transfer Doc | 0000168360 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Dec 09, 2021 |
| Property Address | 55 ASTER AVE, HILLSBOROUGH, CA 94010-6442 |
| Document Number | 0000168360 |
| Map Reference | MB C PG 63 |
| Instrument Date | Dec 06, 2021 |
| Instrument | 2021-168360 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 55 ASTER AVE, HILLSBOROUGH, CA 94010-6442 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 31, 2021 |
| Property Address | 55 ASTER AVE, HILLSBOROUGH, CA 94010-6442 |
| Document Number | 0000051302 |
| Map Reference | MB C PG 63 |
| Instrument Date | Mar 26, 2021 |
| Instrument | 2021-051302 |
| Transaction Type | Transfer |
| Record Updated | Aug 05, 2022 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $11,495.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 55 ASTER AVE, HILLSBOROUGH, CA 94010-6442 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Hillsborough Town |
| Elementary School District | Hillsborough City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $11,537,641 (+2%) Land $5,741,218 Building $5,796,423 | ||
| 2025 | $132,581.00 (+3.6%) | $11,311,414 (+4.04%) Land $5,628,646 Building $5,682,768 | |
| 2023 | $127,974.00 (+4.32%) | $10,872,180 Land $5,410,080 Building $5,462,100 | $8,508,240 |
| 2022 | $122,672.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816056002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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, availability as of December 31, 2025 · Published October 2026 · based on 561 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Sonic Telecom | Fiber | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 1,000 / 75 |
May also be available at this address: AT&T, T-Mobile USA, Etheric Communications, LLC.. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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