San Mateo County property record for 504 Hamilton Ave, Menlo Park, CA 94025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 910 sqft · built 1952 |
| Lot Size | 0.151 acres (6,564 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $420,000 (Jan 2004) |
| Tax Bill | $8,508 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Dec 2018 Mortgage + 2 more |
| Flood Zone | Zone AE (high risk) |
| APN | 055-342-010 |
| Primary APN | 055-342-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 910 sqft Living Area |
| 1st Floor Area | 910 sqft |
| Family Room | Family Room |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 6,564 sqft (0.151 acres) |
| Lot Dimensions | 133 ft deep x 50 ft wide |
| View / Lot | Corner |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 504 HAMILTON AVE |
|---|---|
| City | MENLO PARK |
| State | CA |
| Zip | 94025-1302 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10008 |
| Legal Description | LOT 1 BLOCK 20 BELLE HAVEN CITY |
| Legal Subdivision | BELLE HAVEN CITY |
| Legal Tract | 1 |
| Legal Block | 20 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 611700 |
504 Hamilton Ave is owned and occupied by two individuals who bought it in January 2004.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| 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.
| Date | Document |
|---|---|
| Mar 17, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage CALIBER HOME LOANS INC |
| Dec 12, 2018 | Deed of Trust, Mortgage · Conventional Mortgage DANIEL TRETTIN |
| Mar 8, 2018 | Deed of Trust, Mortgage · Conventional Mortgage YU FAMILY TRUST (PT) |
| Jun 22, 2017 | Quit Claim Deed, Transfer · Conventional Mortgage BLAAUW FAMILY TRUST (PT) |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 15, 2004 · Amount on File |
| Deed Sale | Jan 15, 2004 · Amount on File |
| Deed Document Number | 20048022 |
| Prior Transfer Date | Feb 2, 1994 |
| Prior Transfer Doc | 0000030604 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 17, 2021 |
| Property Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| Document Number | 0000043237 |
| Map Reference | MB 20 PG 5-7 |
| Instrument Date | Mar 1, 2021 |
| Instrument | 2021-043237 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| Document Number | 0000043238 |
|---|---|
| Date | Mar 17, 2021 |
| Instrument | 2021-043238 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| Document Number | 0000101667 |
| Instrument Date | Dec 12, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2019 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 1347 HENDERSON AVE MENLO PARK CA 940251365, MENLO PARK, CA 94025-1365 |
| Document Number | 0000101667 |
|---|---|
| Date | Dec 31, 2018 |
| Instrument | 101667 |
| Name | DANIEL TRETTIN |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| Document Number | 0000018968 |
| Instrument Date | Mar 8, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Mar 29, 2018 |
| Title Company | PRIORITY TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 1347 HENDERSON AVE MENLO PARK CA 940251365, MENLO PARK, CA 94025-1365 |
| Document Number | 0000018968 |
|---|---|
| Date | Mar 15, 2018 |
| Instrument | 18968 |
| Name | YU FAMILY TRUST (PT) |
|---|---|
| Address | 3620 PACIFIC COAST HWY # 200, TORRANCE, CA 90505-6018 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 22, 2017 |
| Property Address | 504 HAMILTON AVE, MENLO PARK, CA 94025-1302 |
| Document Number | 0000053673 |
| Instrument Date | Jun 13, 2017 |
| Instrument | 53673 |
| Transaction Type | Transfer |
| Record Updated | Aug 3, 2017 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 504 HAMILTON AVE MENLO PARK CA 940251302, MENLO PARK, CA 94025-1302 |
| Document Number | 53674 |
|---|---|
| Date | Jun 22, 2017 |
| Instrument | 53674 |
| Name | BLAAUW FAMILY TRUST (PT) |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 504 Hamilton Ave was $8,508 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Menlo Park City |
| Elementary School District | Ravenswood 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 | $609,078 (+2%) Land $304,539 Building $304,539 | ||
| 2025 | $8,508.00 Homeowner's exemption | $597,136 Land $298,568 Building $298,568 | |
| 2023 | $8,142.00 (+4.92%) Homeowner's exemption | $573,950 Land $286,975 Building $286,975 | $830,160 |
| 2022 | $7,760.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 504 Hamilton Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 35 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 35 in force |
| Nearby Flood Claims | 2 (1982–1998) |
| Most Recent Claim | Feb 1998 · rainfall accumulation |
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.
The area around 504 Hamilton Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | MENLO PARK MUNICIPAL WATER serves 22,362 people · EPA ID CA4110017 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jan 2025 |
| Lead | 3 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 511 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Astound Broadband, GeoLinks, T-Mobile, Tekify Fiber & Wireless.
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