San Mateo County property record for 330 27th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,196 sqft · built 1939 |
| Lot Size | 0.162 acres (7,075 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,473,000 (May 2017) |
| Tax Bill | $30,296 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage Aug 2017 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-341-300 |
| Primary APN | 039-341-300 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,196 sqft Living Area |
| 1st Floor Area | 1,130 sqft |
| 2nd Floor Area | 533 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 7,075 sqft (0.162 acres) |
| Lot Dimensions | 139 ft deep x 52 ft wide |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 330 27TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 29 BLOCK 4 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE MAP NO 3 |
| Legal Block | 4 |
| Legal Lot Number | 29 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 607400 |
330 27th Ave is owner-occupied and held in a trust since July 2017.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Apr 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC |
| Aug 8, 2017 | Quit Claim Deed, Transfer Quitclaim |
| May 18, 2017 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 18, 2017 · Amount on File |
| Deed Sale | May 18, 2017 · Amount on File |
| Deed Document Number | 201742946 |
| Last Transfer Date | Jul 26, 2017 |
| Transfer Doc | 0000068561 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2021 |
| Title Company | BOSTON NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Document Number | 0000056541 |
|---|---|
| Date | Apr 8, 2021 |
| Instrument | 2021-056541 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Aug 8, 2017 |
| Property Address | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Document Number | 0000068561 |
| Instrument Date | Jul 26, 2017 |
| Instrument | 68561 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 330 27TH AVE SAN MATEO CA 944032420, SAN MATEO, CA 94403-2420 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 18, 2017 |
| Property Address | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Document Number | 0000042946 |
| Map Reference | MAP21 PG76&77 |
| Instrument Date | May 15, 2017 |
| Instrument | 2017-042946 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | NORTH AMERICAN TITLE CO INC |
| 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 | 330 27TH AVE, SAN MATEO, CA 94403-2420 |
| Document Number | 0000042947 |
|---|---|
| Date | May 18, 2017 |
| Instrument | 2017-042947 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2047 |
The 2025 property tax bill for 330 27th Ave was $30,296 with a homeowner's exemption.
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 | $2,562,163 (+2%) Land $1,640,384 Building $921,779 | ||
| 2025 | $30,296.00 Homeowner's exemption | $2,511,926 Land $1,608,220 Building $903,706 | |
| 2023 | $29,101.00 (+9.41%) Homeowner's exemption | $2,414,387 Land $1,545,772 Building $868,615 | $2,075,040 |
| 2022 | $26,599.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 330 27th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.
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 | 4 (1978–1986) |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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.
The area around 330 27th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 799 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 | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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