San Mateo County property record for 709 27th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,360 sqft · built 1946 |
| Lot Size | 0.168 acres (7,337 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,580,000 (Nov 2017) |
| Tax Bill | $22,096 (2025) |
| Deeds & Mortgages | Nov 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-254-090 |
| Primary APN | 039-254-090 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,360 sqft Living Area |
| 1st Floor Area | 1,200 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 7,337 sqft (0.168 acres) |
| Lot Dimensions | 147 ft deep x 50 ft wide |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 709 27TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2604 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 11 BLOCK 3 MASON TRACT NO 2 RSM 23/58 CITY OF SAN MATEO |
| Legal Subdivision | MASON TRACT NO 2 |
| Legal Tract | 2 |
| Legal Block | 3 |
| Legal Lot Number | 11 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2020 |
| Census Tract | 606700 |
709 27th Ave is owned and occupied by two individuals who bought it in November 2017.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 709 27TH AVE, SAN MATEO, CA 94403-2604 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Nov 3, 2017 · Amount on File |
| Deed Sale | Nov 3, 2017 · Amount on File |
| Prior Sale | May 6, 2016 · Amount on File |
| Deed Document Number | 201797966 |
| Prior Transfer Date | Feb 2, 2009 |
| Prior Transfer Doc | 0000010704 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 3, 2017 |
| Property Address | 709 27TH AVE, SAN MATEO, CA 94403-2604 |
| Document Number | 0000097966 |
| Map Reference | MAP23 PG58 |
| Instrument Date | Oct 31, 2017 |
| Instrument | 2017-097966 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 709 27TH AVE, SAN MATEO, CA 94403-2604 |
| Document Number | 0000097967 |
|---|---|
| Date | Nov 3, 2017 |
| Instrument | 2017-097967 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2047 |
The 2025 property tax bill for 709 27th Ave was $22,096.
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 | $1,833,720 (+2%) Land $1,624,817 Building $208,903 | ||
| 2025 | $22,096.00 | $1,797,765 Land $1,592,958 Building $204,807 | |
| 2023 | $21,235.00 (+1.43%) | $1,727,957 Land $1,531,102 Building $196,855 | $1,969,740 |
| 2022 | $20,935.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 709 27th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Apr 1979 · rainfall accumulation |
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 709 27th 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 99.1% of the US · lower than 99.2% 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 732 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 |
May also be available: Etheric Networks, T-Mobile.
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