San Mateo County property record for 320 Midvale Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,700 sqft · built 1949 |
| Lot Size | 0.119 acres (5,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,400,000 (May 2022) |
| Tax Bill | $23,186 (2025) |
| Deeds & Mortgages | May 2022 Sale & Mortgage Dec 2019 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-214-220 |
| Primary APN | 042-214-220 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,700 sqft Living Area |
| 1st Floor Area | 1,350 sqft |
| Family Room | Family Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 5,200 sqft (0.119 acres) |
| Lot Dimensions | 79 ft deep x 65 ft wide |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 320 MIDVALE AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-5019 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 26 BLOCK 26 SAN MATEO KNOLLS MAP NO 2 RSM 24/61 62 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS MAP NO 2 |
| Legal Block | 26 |
| Legal Lot Number | 26 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 607100 |
Source: San Mateo County records · APN 042-214-220
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| May 06, 2022 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Dec 02, 2019 | Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA |
| Apr 30, 2019 | Deed of Trust, Mortgage BANK OF AMERICA |
| Mar 16, 2019 | Deed of Trust, Mortgage BANK OF AMERICA |
| Dec 21, 2018 | Grant Deed, Transfer SUPREME LNDG |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 06, 2022 · Amount on Record |
| Deed Sale | May 06, 2022 · Amount on Record |
| Prior Sale | Dec 21, 2018 · Amount on Record |
| Deed Document Number | 202237995 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 06, 2022 |
| Property Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Document Number | 0000037995 |
| Map Reference | MB 24 PG 60-62 |
| Instrument Date | Apr 18, 2022 |
| Instrument | 2022-037995 |
| Transaction Type | Transfer |
| Record Updated | May 26, 2022 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $14,640.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 100 MC LELLAN DR # 109, 109, SOUTH SAN FRANCISCO, CA 94080-7529 |
| Document Number | 0000037996 |
|---|---|
| Date | May 06, 2022 |
| Instrument | 2022-037996 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000101168 |
|---|---|
| Date | Dec 02, 2019 |
| Instrument | 2019-101168 |
| Name | MORGAN STANLEY PRIVATE BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45245 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Nov 01, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Document Number | 0000036025 |
| Instrument Date | Apr 30, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jun 03, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 320 MIDVALE AVE SAN MATEO CA 944035019, SAN MATEO, CA 94403-5019 |
| Document Number | 0000036025 |
|---|---|
| Date | May 14, 2019 |
| Instrument | 36025 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | 101 S TRYON ST, CHARLOTTE, NC 28280-0002 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | May 13, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Document Number | 0000020416 |
| Instrument Date | Mar 16, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Apr 11, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 320 MIDVALE AVE SAN MATEO CA 944035019, SAN MATEO, CA 94403-5019 |
| Document Number | 0000020416 |
|---|---|
| Date | Mar 25, 2019 |
| Instrument | 20416 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | 101 S TRYON ST, CHARLOTTE, NC 28280-0002 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Mar 24, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Dec 21, 2018 |
| Property Address | 320 MIDVALE AVE, SAN MATEO, CA 94403-5019 |
| Document Number | 0000099472 |
| Instrument Date | Oct 30, 2018 |
| Instrument | 99472 |
| Transaction Type | Transfer |
| Record Updated | Jan 04, 2019 |
| Title Company | STEWART TITLE, STEWART TITLE/CA |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,760.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 320 MIDVALE AVE SAN MATEO CA 944035019, SAN MATEO, CA 94403-5019 |
| Document Number | 99473 |
|---|---|
| Date | Dec 21, 2018 |
| Instrument | 99473 |
| Name | SUPREME LNDG |
|---|---|
| Address | 14801 QUORUM DR # 300, DALLAS, TX 75254-1422 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Dec 20, 2048 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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 | $1,900,000 (-) Land $1,227,000 Building $673,000 | ||
| 2025 | $23,186.00 (+0.46%) Homeowner's exemption | $1,900,000 (+1.6%) Land $1,227,000 Building $673,000 | |
| 2023 | $23,079.00 (+9.24%) Homeowner's exemption | $1,870,000 Land $1,208,000 Building $662,000 | $2,036,700 |
| 2022 | $21,127.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 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 |
| 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 are read at the parcel center point; 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: California Internet, T-Mobile USA.
Based on FCC filings for 785 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.
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