San Mateo County property record for 20 Prague St, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 930 sqft · built 1947 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,163,000 (May 2024) |
| Tax Bill | $15,416 (2025) |
| Deeds & Mortgages | Nov 2020 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 033-182-260 |
| Primary APN | 033-182-260 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Building Area | 930 sqft Living Area |
| 1st Floor Area | 930 sqft |
| Family Room | Family Room |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20 PRAGUE ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-1311 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R106 |
| Legal Description | LOT 26 BLOCK 6 SHORE VIEW TRACT MAP NO 5 RSM 25/41 42 CITY OF SAN MATEO |
| Legal Subdivision | SHORE VIEW TRACT MAP NO 5 |
| Legal Block | 6 |
| Legal Lot Number | 26 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 606100 |
20 Prague St is owned by an individual who bought it in May 2024.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 112 S IDAHO ST, SAN MATEO, CA 94401-2934 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 3, 2024 · Amount on File |
| Deed Sale | May 3, 2024 · Amount on File |
| Deed Document Number | 202423552 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 13, 2020 |
| Property Address | 20 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000127875 |
| Instrument Date | Nov 2, 2020 |
| Instrument | 127875 |
| Transaction Type | Transfer |
| Record Updated | Dec 16, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 407 PRIMROSE RD BURLINGAME CA 940104009, BURLINGAME, CA 94010-4009 |
The 2025 property tax bill for 20 Prague St was $15,416.
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 | $1,209,984 (+2%) Land $919,713 Building $290,271 | ||
| 2025 | $15,416.00 | $1,186,260 Land $901,680 Building $284,580 | |
| 2023 | $2,798.00 (+4.87%) | $76,547 Land $21,188 Building $55,359 | $912,330 |
| 2022 | $2,668.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20 Prague St in Zone X, where a levee reduces flood risk, though there have been 3 flood claims nearby since 1979.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 3 (1979–2014) |
| Most Recent Claim | Dec 2014 · 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 20 Prague St 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 | 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 220 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
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