San Mateo County property record for 21 Pine Ave, San Carlos, CA 94070
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,840 sqft · built 1952 |
| Lot Size | 0.122 acres (5,302 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,245,000 (Mar 2008) |
| Tax Bill | $20,050 (2025) |
| Deeds & Mortgages | Aug 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-373-190 |
| Primary APN | 049-373-190 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,840 sqft Living Area |
| Gross Area | 2,230 sqft |
| 1st Floor Area | 1,350 sqft |
| Basement Area | 390 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 5,302 sqft (0.122 acres) |
| Lot Dimensions | 110 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 390 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21 PINE AVE |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-2934 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 31 BLOCK 4 SAN CARLOS MANOR |
| Legal Subdivision | SAN CARLOS MANOR |
| Legal Block | 4 |
| Legal Lot Number | 31 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 609500 |
21 Pine Ave is owner-occupied and held in a trust since September 2014.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 PINE AVE, SAN CARLOS, CA 94070-2934 |
| 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 Sale | Mar 7, 2008 · Amount on File |
| Deed Sale | Mar 7, 2008 · Amount on File |
| Prior Sale | Dec 11, 1998 · Amount on File |
| Deed Document Number | 200824560 |
| Last Transfer Date | Sep 3, 2014 |
| Transfer Doc | 0000081113 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 21 PINE AVE, SAN CARLOS, CA 94070-2934 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TSI TITLE COMPANY OF CA INC |
| Name | Verified Name |
|---|
| Document Number | 0000074131 |
|---|---|
| Date | Aug 24, 2017 |
| Instrument | 2017-074131 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2047 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.12% |
| Type Change Date | Sep 1, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.12% |
| Index | 1-Year LIBOR |
| Max Rate | 8.12% |
The 2025 property tax bill for 21 Pine Ave was $20,050 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 | $1,668,022 (+2%) Land $834,011 Building $834,011 | ||
| 2025 | $20,050.00 Homeowner's exemption | $1,635,316 Land $817,658 Building $817,658 | |
| 2023 | $19,115.00 (+2.4%) Homeowner's exemption | $1,571,816 Land $785,908 Building $785,908 | $1,699,110 |
| 2022 | $18,667.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Pine Ave in Zone X, an area of minimal flood risk, though there have been 11 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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 11 (1979–1998) |
| Claims Outside the SFHA | 7 of 11 |
| Most Recent Claim | Aug 1998 · other causes |
| Claims by Event |
|
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 21 Pine Ave 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 554 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 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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