San Mateo County property record for 620 Prospect Row, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,780 sqft · built 1938 |
| Lot Size | 0.182 acres (7,914 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $4,094 (2025) |
| Deeds & Mortgages | Oct 2022 Transfer Apr 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-142-200 |
| Primary APN | 032-142-200 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,780 sqft |
| 1st Floor Area | 1,780 sqft |
| Basement Area | 530 sqft |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Architectural Style | Multi-Family |
| Lot Area | 7,914 sqft (0.182 acres) |
| Lot Dimensions | 157 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 680 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 620 PROSPECT ROW |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-2324 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RM0000 |
| Legal Description | LOT 4 BLOCK B SAN MATEO HEIGHTS NO 2 RSM E/59 |
| Legal Subdivision | SAN MATEO HEIGHTS NO 2 |
| Legal Block | B |
| Legal Lot Number | 4 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 605901 |
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 | 50 HARTFORD AVE, SAN CARLOS, CA 94070-1831 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Oct 26, 2022 | Intrafamily Transfer, Transfer |
| Apr 27, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 13, 2005 |
| Deed Sale | May 13, 2005 |
| Deed Document Number | 200579102 |
| Last Transfer Date | Oct 25, 2022 |
| Transfer Doc | 0000075407 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 26, 2022 |
| Property Address | 620 PROSPECT ROW, SAN MATEO, CA 94401-2324 |
| Document Number | 0000075407 |
| Instrument Date | Oct 25, 2022 |
| Instrument | 2022-075407 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 50 HARTFORD AVE, SAN CARLOS, CA 94070-1831 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 27, 2026 |
| Property Address | 620 PROSPECT ROW, SAN MATEO, CA 94401-2324 |
| Document Number | 0000022027 |
| Instrument Date | Jul 31, 2018 |
| Instrument | 202622027 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant |
| Address | 50 HARTFORD AVE, SAN CARLOS, CA 94070-1831 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $114,745 (+2%) Land $56,243 Building $58,502 | ||
| 2025 | $4,094.00 (+3.99%) | $112,496 (+4.04%) Land $55,141 Building $57,355 | |
| 2024 | $3,937.00 (+8.31%) | ||
| 2023 | $3,635.00 (+0.97%) | $108,129 Land $53,000 Building $55,129 | $1,719,000 |
| 2022 | $3,600.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 ppb (2023–2025) 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 713 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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