San Mateo County property record for 417 27th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,022 sqft · built 1938 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,450,000 (Nov 2014) |
| Tax Bill | $22,423 (2025) |
| Deeds & Mortgages | Dec 2022 Line of Credit Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-324-080 |
| Primary APN | 039-324-080 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,022 sqft Living Area |
| 1st Floor Area | 1,180 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 140 ft deep x 50 ft wide |
| Garage Area | 340 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 417 27TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2401 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 7 BLOCK 8 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE MAP NO 3 |
| Legal Block | 8 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 607400 |
417 27th Ave is held in a trust since July 2015.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 417 27TH AVE, SAN MATEO, CA 94403-2401 |
| 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 |
|---|---|
| Dec 6, 2022 | Deed of Trust, Mortgage · Line of Credit FIRST TECHNOLOGY FEDERAL CU |
| Mar 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 25, 2014 · Amount on File |
| Deed Sale | Nov 25, 2014 · Amount on File |
| Prior Sale | May 2, 2012 · Amount on File |
| Deed Document Number | 2014109111 |
| Last Transfer Date | Jul 24, 2015 |
| Transfer Doc | 0000079544 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 417 27TH AVE, SAN MATEO, CA 94403-2401 |
| Transaction Type | Mortgage |
| Record Updated | Dec 30, 2022 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | 417 27TH AVE, SAN MATEO, CA 94403-2401 |
| Document Number | 0000084019 |
|---|---|
| Date | Dec 6, 2022 |
| Instrument | 2022-084019 |
| Name | FIRST TECHNOLOGY FEDERAL CU |
|---|---|
| Type | Credit Union |
| Address | HILLSBORO, OR 97124 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 299 Months |
| Due | Nov 25, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 417 27TH AVE, SAN MATEO, CA 94403-2401 |
| Transaction Type | Mortgage |
| Record Updated | Apr 27, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 417 27TH AVE, SAN MATEO, CA 94403-2401 |
| Document Number | 0000045425 |
|---|---|
| Date | Mar 22, 2021 |
| Instrument | 2021-045425 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
The 2025 property tax bill for 417 27th Ave was $22,423.
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 | $1,838,143 (+2%) Land $888,764 Building $949,379 | ||
| 2025 | $22,423.00 | $1,802,103 Land $871,338 Building $930,765 | |
| 2023 | $21,486.00 (+3.52%) | $1,732,126 Land $837,503 Building $894,623 | $1,895,040 |
| 2022 | $20,755.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 417 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 417 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures