San Mateo County property record for 2627 Isabelle Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,500 sqft · built 1938 |
| Lot Size | 0.117 acres (5,100 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $5,617 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-344-050 |
| Primary APN | 039-344-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,500 sqft Living Area |
| Gross Area | 1,970 sqft |
| 1st Floor Area | 1,240 sqft |
| 2nd Floor Area | 260 sqft |
| Basement Area | 470 sqft |
| Family Room | Family Room |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Lot Area | 5,100 sqft (0.117 acres) |
| Lot Dimensions | 127 ft deep x 40 ft wide |
| Garage Type | Basement |
| Garage Area | 470 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 2627 ISABELLE AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2308 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 5 BLK 2 RESUB OF BLKS 1 2 & 5 SAN MATEO TERRACE RSM 20/4 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO TERRACE |
| Legal Block | 2,1 |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 607400 |
Source: San Mateo County records · APN 039-344-050
Assessment roll updated July 15, 2026 · Last verified August 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 | 2627 ISABELLE AVE, SAN MATEO, CA 94403-2308 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | May 28, 2024 |
| Transfer Doc | 0000033852 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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 | $1,072,099 (+223.45%) Land $833,654 Building $238,445 | ||
| 2025 | $5,617.00 (+9.79%) Homeowner's exemption | $331,459 (+4.04%) Land $196,809 Building $134,650 | |
| 2023 | $5,116.00 (-2.18%) Homeowner's exemption | $318,589 Land $189,167 Building $129,422 | $2,379,960 |
| 2022 | $5,230.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026
| 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 |
| Radiate Holdings Cable | 1,500 / 50 |
May also be available: California Internet, Etheric Communications, LLC., T-Mobile USA, Verizon.
Based on FCC filings for 799 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures