San Mateo County property record for 447 Chestnut St, San Carlos, CA 94070
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,350 sqft · built 1949 |
| Lot Size | 0.19 acres (8,269 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $3,338 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-045-230 |
| Primary APN | 050-045-230 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,350 sqft Living Area |
| Gross Area | 2,510 sqft |
| 1st Floor Area | 1,350 sqft |
| Attic | Attic |
| Attic Area | 360 sqft |
| Basement Area | 800 sqft |
| Family Room | Family Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 8,269 sqft (0.19 acres) |
| Garage Type | Basement |
| Garage Area | 800 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 447 CHESTNUT ST |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-2118 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 8 BLOCK 30 RESUB PTN TOWN OF SAN CARLOS |
| Legal Subdivision | TOWN OF SAN CARLOS |
| Legal Block | 30 |
| Legal Lot Number | 8 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 609202 |
447 Chestnut St is owner-occupied and held in a trust since January 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 447 CHESTNUT ST, SAN CARLOS, CA 94070-2118 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 25, 2013 |
| Transfer Doc | 0000016889 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 447 Chestnut St was $3,338 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 | San Carlos City |
| Elementary School District | San Carlos Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $140,740 (+2%) Land $36,224 Building $104,516 | ||
| 2025 | $3,338.00 Homeowner's exemption | $137,981 Land $35,514 Building $102,467 | |
| 2023 | $3,181.00 (+1.18%) Homeowner's exemption | $132,625 Land $34,136 Building $98,489 | $2,073,060 |
| 2022 | $3,144.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 447 Chestnut St 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 |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 2 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.
The area around 447 Chestnut 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 CARLOS private · serves 34,801 people · EPA ID CA4110007 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| Lead | 6 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 809 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks.
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