San Mateo County property record for 1180 Irwin St, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,090 sqft · built 1947 |
| Lot Size | 0.115 acres (5,001 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $507,000 (May 2011) |
| Tax Bill | $9,107 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 040-341-120 |
| Primary APN | 040-341-120 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,090 sqft Living Area |
| Gross Area | 1,380 sqft |
| 1st Floor Area | 1,090 sqft |
| Basement Area | 290 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Foundation Type | Pier/Post & Beam |
| Roof Material | Composition Shingle |
| Lot Area | 5,001 sqft (0.115 acres) |
| Lot Dimensions | 92 ft deep x 54 ft wide |
| Garage Type | Basement |
| Garage Area | 290 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1180 IRWIN ST |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-2837 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 12 BLOCK 4 HOMEVIEW MAP NO 1 RSM 25/56 57 CITY OF BELMONT |
| Legal Subdivision | HOMEVIEW MAP NO 1 |
| Legal Block | 4 |
| Legal Lot Number | 12 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 608600 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1180 IRWIN ST, BELMONT, CA 94002-2837 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 27, 2011 · Amount on Record |
| Deed Sale | May 27, 2011 · Amount on Record |
| Prior Sale | Feb 4, 2011 · Amount on Record |
| Deed Document Number | 201159415 |
| Last Transfer Date | Jul 14, 2016 |
| Transfer Doc | 0000070763 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 1180 IRWIN ST, BELMONT, CA 94002-2837 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000056819 |
|---|---|
| Date | Jun 18, 2020 |
| Instrument | 2020-056819 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2050 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Belmont City |
| County | San Mateo County |
| Elementary School District | Belmont-Redwood Shores Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $662,534 (+2%) Land $331,267 Building $331,267 | ||
| 2025 | $9,107.00 (+6.09%) | $649,544 (+4.04%) Land $324,772 Building $324,772 | |
| 2023 | $8,584.00 (+2.4%) | $624,322 Land $312,161 Building $312,161 | $1,028,970 |
| 2022 | $8,383.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Nearby Flood Policies | 10 in force |
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: 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 | MID-PENINSULA WATER DISTRICT serves 31,059 people · EPA ID CA4110001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2022–2024) 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 512 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Sonic Telecom, Verizon.
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