San Mateo County property record for 102 E 20th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 760 sqft · built 1920 |
| Lot Size | 0.076 acres (3,327 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $197,000 (Jun 1995) |
| Tax Bill | $5,754 (2025) |
| Deeds & Mortgages | Oct 2019 Transfer Oct 2019 Mortgage + 1 more |
| Flood Zone | Zone AH (high risk) |
| APN | 035-234-040 |
| Primary APN | 035-234-040 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 760 sqft Living Area |
| 1st Floor Area | 760 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Shingle |
| Roof Material | Tar & Gravel |
| Lot Area | 3,327 sqft (0.076 acres) |
| Lot Dimensions | 120 ft deep x 28 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 102 E 20TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-1343 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLOCK 10 LESS SWLY 12 FT RESUB OF LOTS 87 88 ETC SAN MATEO CITY HOMESTEAD RSM 16/62 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO CITY HOMESTEAD |
| Legal Block | 10 |
| Legal Lot Number | 3,87 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 607500 |
Source: San Mateo County records · APN 035-234-040
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 102 E 20TH AVE, SAN MATEO, CA 94403-1343 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 31, 2019 | Quit Claim Deed, Transfer STEWART TITLE, STEWART TITLE/CA |
| Oct 31, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage ATHAS CAP |
| May 29, 2018 | Deed of Trust, Mortgage · Conventional Mortgage ALVISO FUNDING |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 23, 1995 · Amount on Record |
| Deed Sale | Jun 23, 1995 · Amount on Record |
| Deed Document Number | 199564302 |
| Last Transfer Date | Oct 07, 2020 |
| Transfer Doc | 0000109073 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 31, 2019 |
| Property Address | 102 E 20TH AVE, SAN MATEO, CA 94403-1343 |
| Document Number | 0000090915 |
| Instrument Date | Oct 24, 2019 |
| Instrument | 90915 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2019 |
| Title Company | STEWART TITLE, STEWART TITLE/CA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 102 E 20TH AVE SAN MATEO CA 944031343, SAN MATEO, CA 94403-1343 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 31, 2019 |
| Property Address | 102 E 20TH AVE, SAN MATEO, CA 94403-1343 |
| Document Number | 0000090913 |
| Instrument Date | Sep 30, 2019 |
| Instrument | 90913 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2019 |
| Title Company | STEWART TITLE, STEWART TITLE/CA |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 102 E 20TH AVE SAN MATEO CA 944031343, SAN MATEO, CA 94403-1343 |
| Document Number | 90914 |
|---|---|
| Date | Oct 31, 2019 |
| Instrument | 90914 |
| Name | ATHAS CAP |
|---|---|
| Type | Funding / Finance Company |
| Address | AGOURA HILLS, CA 91301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 30, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 102 E 20TH AVE, SAN MATEO, CA 94403-1343 |
| Document Number | 0000042238 |
| Instrument Date | May 29, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jun 18, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 35 N AMPHLETT BLVD SAN MATEO CA 944012902, SAN MATEO, CA 94401-2902 |
| Document Number | 0000042238 |
|---|---|
| Date | Jun 01, 2018 |
| Instrument | 42238 |
| Name | ALVISO FUNDING |
|---|---|
| Type | Bank |
| Address | MOUNTAIN VIEW, CA 94040 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $338,176 (+2%) Land $169,088 Building $169,088 | ||
| 2025 | $5,754.00 (+2.9%) Homeowner's exemption | $331,546 (+4.04%) Land $165,773 Building $165,773 | |
| 2023 | $5,592.00 (-3.47%) Homeowner's exemption | $318,674 Land $159,337 Building $159,337 | $729,900 |
| 2022 | $5,793.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816075002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AH shallow ponding 1–3 ft |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 12.0 ft |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 15 individual NFIP policies nearby |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022, river or lake flooding, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 423 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon, Radiate Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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