San Mateo County property record for 820 18th Ave, Menlo Park, CA 94025
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,862 sqft · built 2018 |
| Lot Size | 0.138 acres (5,992 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $700,000 (Apr 2013) |
| Tax Bill | $26,320 (2025) |
| Deeds & Mortgages | Oct 2021 Transfer Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-205-050 |
| Primary APN | 055-205-050 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,862 sqft Living Area |
| 1st Floor Area | 1,413 sqft |
| 2nd Floor Area | 1,449 sqft |
| Family Room | Family Room |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Lot Area | 5,992 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 59 ft wide |
| Garage Area | 466 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 820 18TH AVE |
|---|---|
| City | MENLO PARK |
| State | CA |
| Zip | 94025-2020 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 73 ATHLONE TERRACE MAP NO 4 RSM 31/1 |
| Legal Subdivision | ATHLONE TERRACE MAP NO 4 |
| Legal Lot Number | 73 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 610602 |
820 18th Ave is owner-occupied and held in a trust since October 2021.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 820 18TH AVE, MENLO PARK, CA 94025-2020 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Oct 25, 2021 | Intrafamily Transfer, Transfer |
| Dec 1, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 11, 2013 · Amount on File |
| Deed Sale | Apr 11, 2013 · Amount on File |
| Deed Document Number | 201354387 |
| Last Transfer Date | Oct 1, 2021 |
| Transfer Doc | 0000150023 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 25, 2021 |
| Property Address | 820 18TH AVE, MENLO PARK, CA 94025-2020 |
| Document Number | 0000150023 |
| Map Reference | MB 31 PG 1 |
| Instrument Date | Oct 1, 2021 |
| Instrument | 2021-150023 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 820 18TH AVE, MENLO PARK, CA 94025-2020 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 820 18TH AVE, MENLO PARK, CA 94025-2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 820 18TH AVE, MENLO PARK, CA 94025-2020 |
| Document Number | 0000137012 |
|---|---|
| Date | Dec 1, 2020 |
| Instrument | 2020-137012 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Dec 1, 2035 |
The 2025 property tax bill for 820 18th Ave was $26,320 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Elementary School District | Redwood 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 | $2,292,444 (+2%) Land $565,220 Building $1,727,224 | ||
| 2025 | $26,320.00 Homeowner's exemption | $2,247,495 Land $554,138 Building $1,693,357 | |
| 2023 | $25,483.00 (+4.86%) Homeowner's exemption | $2,160,223 Land $532,621 Building $1,627,602 | $3,024,450 |
| 2022 | $24,301.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 820 18th Ave in Zone X, an area of minimal flood risk.
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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 11 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 820 18th Ave is low, with less than a 0.01% annual chance of wildfire.
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 | 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 | 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 299 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 · DSL · Fixed Wireless in parts of the area | 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, Sonic Telecom.
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