San Mateo County property record for 609 36th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,130 sqft · built 1948 |
| Lot Size | 0.132 acres (5,764 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,903 (2025) |
| Deeds & Mortgages | Jan 2023 Transfer Jan 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-073-010 |
| Primary APN | 042-073-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,130 sqft Living Area |
| 1st Floor Area | 1,130 sqft |
| Family Room | Family Room |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 5,764 sqft (0.132 acres) |
| Lot Dimensions | 90 ft deep x 65 ft wide |
| View / Lot | Corner |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 609 36TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4151 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 1 BLOCK 36 SAN MATEO KNOLLS MAP NO 3 RSM 26/18 19 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS MAP NO 3 |
| Legal Block | 36 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 607100 |
609 36th Ave is held in a trust since December 2022.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 609 36TH AVE, SAN MATEO, CA 94403-4151 |
| 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.
| Date | Document |
|---|---|
| Jan 31, 2023 | Intrafamily Transfer, Transfer |
| Jan 11, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 20, 2022 |
| Transfer Doc | 0000004576 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 31, 2023 |
| Property Address | 609 36TH AVE, SAN MATEO, CA 94403-4151 |
| Document Number | 0000004576 |
| Map Reference | MB 26 PG 18&19 |
| Instrument Date | Dec 20, 2022 |
| Instrument | 2023-004576 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 609 36TH AVE, SAN MATEO, CA 94403-4151 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 11, 2023 |
| Property Address | 609 36TH AVE, SAN MATEO, CA 94403-4151 |
| Document Number | 0000001296 |
| Map Reference | MB 26 PG 18&19 |
| Instrument Date | Dec 20, 2022 |
| Instrument | 2023-001296 |
| Transaction Type | Transfer |
| Record Updated | Feb 2, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 609 36TH AVE, SAN MATEO, CA 94403-4151 |
The 2025 property tax bill for 609 36th Ave was $6,903.
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 | $469,156 (+2%) Land $342,056 Building $127,100 | ||
| 2025 | $6,903.00 | $459,959 Land $335,350 Building $124,609 | |
| 2023 | $6,438.00 (+172.1%) Homeowner's exemption | $442,102 Land $322,330 Building $119,772 | $1,456,560 |
| 2022 | $2,366.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 609 36th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2006.
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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2006) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2006 · Severe Storms, Flooding, Mudslides, And Landslides |
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.
Wildfire risk around 609 36th Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 572 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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