San Mateo County property record for 12 Prague St, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,950 sqft · built 1947 |
| Lot Size | 0.109 acres (4,750 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,390,000 (Apr 2023) |
| Tax Bill | $20,191 (2025) |
| Deeds & Mortgages | Jun 2026 Mortgage Apr 2023 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 033-182-240 |
| Primary APN | 033-182-240 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,950 sqft Living Area |
| 1st Floor Area | 930 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 4,750 sqft (0.109 acres) |
| Lot Dimensions | 95 ft deep x 50 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 12 PRAGUE ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-1311 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1000C |
| Legal Description | LOT 24 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 | 24 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 606100 |
12 Prague St is owned by two individuals who bought it in April 2023.
Source: San Mateo County records, as of July 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1423 SIERRA CREEK WAY, SAN JOSE, CA 95132-3619 |
| 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 |
|---|---|
| Jun 29, 2026 | Deed of Trust, Mortgage · Conventional Mortgage NATIONS DIRECT MORTGAGE |
| Apr 6, 2023 | Grant Deed, Transfer · Conventional Mortgage CATHAY BANK |
| Sep 1, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage NATIONAL BANK OF KANSAS CITY |
| Mar 14, 2019 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 6, 2023 · Amount on File |
| Deed Sale | Apr 6, 2023 · Amount on File |
| Prior Sale | Jul 22, 2003 · Amount on File |
| Deed Document Number | 202315327 |
| Prior Transfer Date | Aug 3, 2020 |
| Prior Transfer Doc | 0000088259 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 29, 2026 |
| Property Address | 12 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000036898 |
| Instrument Date | Jun 25, 2026 |
| Instrument | 202636898 |
| Transaction Type | Mortgage |
| Record Updated | Jul 28, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMP |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants, 205 |
| Document Number | 0000036898, |
|---|---|
| Date | Jun 29, 2026 |
| Instrument | 202636898 |
| Name | NATIONS DIRECT MORTGAGE |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.53% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 6, 2023 |
| Property Address | 12 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000015327 |
| Map Reference | MB 25 PG 41&42 |
| Instrument Date | Feb 15, 2023 |
| Instrument | 2023-015327 |
| Transaction Type | Transfer |
| Record Updated | May 1, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1423 SIERRA CREEK WAY, SAN JOSE, CA 95132-3619 |
| Document Number | 0000015328 |
|---|---|
| Date | Apr 6, 2023 |
| Instrument | 2023-015328 |
| Name | CATHAY BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.25% |
| Type Change Date | May 1, 2026 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 12.2% |
| Index | 1-Year T-Bill |
| Max Rate | 12.2% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 1, 2020 |
| Property Address | 12 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000088259 |
| Map Reference | MB 25 PG 41&42 |
| Instrument Date | Aug 3, 2020 |
| Instrument | 2020-088259 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | SOLIDIFI US INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 12 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000088260 |
|---|---|
| Date | Sep 1, 2020 |
| Instrument | 2020-088260 |
| Name | NATIONAL BANK OF KANSAS CITY |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Aug 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 12 PRAGUE ST, SAN MATEO, CA 94401-1311 |
| Document Number | 0000019201 |
| Instrument Date | Mar 14, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Apr 9, 2019 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE CO LOS AN |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 12 PRAGUE ST SAN MATEO CA 944011311, SAN MATEO, CA 94401-1311 |
| Document Number | 0000019201 |
|---|---|
| Date | Mar 20, 2019 |
| Instrument | 19201 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Mar 19, 2049 |
The 2025 property tax bill for 12 Prague St was $20,191, up 5.8% from the year before.
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 | $1,475,078 (+2%) Land $902,026 Building $573,052 | ||
| 2025 | $20,191.00 (+5.85%) | $1,446,156 Land $884,340 Building $561,816 | |
| 2024 | $19,076.00 (+418.79%) | ||
| 2023 | $3,677.00 (+2.45%) Homeowner's exemption | $146,027 Land $28,838 Building $117,189 | $1,212,840 |
| 2022 | $3,589.00 |
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 12 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 12 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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