San Mateo County property record for 609 W 39th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,730 sqft · built 1949 |
| Lot Size | 0.118 acres (5,120 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $600,000 (Jun 2003) |
| Tax Bill | $11,677 (2025) |
| Deeds & Mortgages | Dec 2023 Line of Credit Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-093-050 |
| Primary APN | 042-093-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,730 sqft Living Area |
| Gross Area | 2,450 sqft |
| 1st Floor Area | 1,390 sqft |
| Basement Area | 720 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 5,120 sqft (0.118 acres) |
| Lot Dimensions | 80 ft deep x 64 ft wide |
| Garage Type | Basement |
| Garage Area | 720 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 609 W 39TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4104 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 3 BLOCK 38 SAN MATEO KNOLLS MAP NO 3 RSM 26/18 19 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS MAP NO 3 |
| Legal Block | 38 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 607100 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 609 W 39TH AVE, SAN MATEO, CA 94403-4104 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 5, 2023 | Deed of Trust, Mortgage · Line of Credit PROVIDENT CU |
| Sep 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 3, 2003 · Amount on Record |
| Deed Sale | Jun 3, 2003 · Amount on Record |
| Deed Document Number | 2003150977 |
| Prior Transfer Date | Jan 18, 1996 |
| Prior Transfer Doc | 0000007761 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 609 W 39TH AVE, SAN MATEO, CA 94403-4104 |
| Transaction Type | Mortgage |
| Record Updated | Jan 4, 2024 |
| Title Company | CHICAGO TITLE PIRT |
| Name | Verified Name |
|---|---|
| Address | 609 W 39TH AVE, SAN MATEO, CA 94403-4104 |
| Document Number | 0000064211 |
|---|---|
| Date | Dec 5, 2023 |
| Instrument | 2023-064211 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 609 W 39TH AVE, SAN MATEO, CA 94403-4104 |
| Transaction Type | Mortgage |
| Record Updated | Oct 20, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 609 W 39TH AVE, SAN MATEO, CA 94403-4104 |
| Document Number | 0000132996 |
|---|---|
| Date | Sep 16, 2021 |
| Instrument | 2021-132996 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 121 Months |
| Due | Oct 1, 2031 |
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 | $886,358 (+2%) Land $443,179 Building $443,179 | ||
| 2025 | $11,677.00 (+1.66%) Homeowner's exemption | $868,980 (+4.04%) Land $434,490 Building $434,490 | |
| 2023 | $11,486.00 (+1.9%) Homeowner's exemption | $835,238 Land $417,619 Building $417,619 | $1,441,530 |
| 2022 | $11,272.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% 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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