San Mateo County property record for 109 27th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1948 |
| Square Footage | 2,047 sqft Living Area |
| Lot Size | 5,122 sqft (0.118 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $885,000 (2015) |
| Tax Bill | $14,722.00 (2025) |
| Primary APN | 039-382-200 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Building Area | 2,047 sqft Living Area |
| 1st Floor | 2,047 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Duplex Single Style |
| Lot Area | 5,122 sqft (0.118 acres) |
| Depth X Width | 84 ft x 61 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 109 27TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2416 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | 61.20 FT X 83.7 FT ON 27TH AVE COM 61.30 FT SW FR FLORES ST PTN OF LOT 17 SUB OF LOTS 1 2 19 21 OF BERESFORD PARK RSM A/17 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 17,1 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3014 |
| Census Tract | 607400 |
Source: San Mateo County records · APN 039-382-200
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 Company Names on File |
|---|---|
| Mailing Address | 109 27TH AVE, SAN MATEO, CA 94403-2416 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 09, 2015 · Amount on Record |
| Deed Sale | Jan 09, 2015 · Amount on Record |
| Deed Doc Number | 20152134 |
| Prior Transfer Date | Sep 09, 1996 |
| Prior Transfer Doc | 0000116208 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 109 27TH AVE, SAN MATEO, CA 94403-2416 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 109 27TH AVE 111, 111, SAN MATEO, CA 94403-2416 |
| Document Number | 0000106837 |
|---|---|
| Date | Oct 06, 2020 |
| Instrument | 2020-106837 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2050 |
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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,084,896 (+2%) Land $542,448 Building $542,448 | |
| 2025 | $14,722.00 (+5.32%) Homeowner's exemption | $1,063,624 (+4.04%) Land $531,812 Building $531,812 |
| 2023 | $13,978.00 (+0.7%) Homeowner's exemption | $1,022,324 Land $511,162 Building $511,162 |
| 2022 | $13,881.00 |
109 27th Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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