Marin County property record for 100 Harvard Ave, Mill Valley, CA 94941
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 3.73 acres (162,510 sqft) |
| Owner | Company Name on File |
| Tax Bill | $5,511 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-034-01 |
| Primary APN | 051-034-01 |
|---|
| Lot Area | 162,510 sqft |
|---|
| Street Address | 100 HARVARD AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3584 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 128100 |
100 Harvard Ave is owned by a company.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 100 HARVARD AVE, MILL VALLEY, CA 94941-3584 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 100 Harvard Ave was $5,511.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Elementary School District | Mill Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $15,526,233 (+22.99%) Land $1,089,056 Building $14,437,177 | |
| 2025 | $5,511.00 Additional exemption filed | $12,623,929 Land $1,067,704 Building $11,556,225 |
| 2023 | $4,982.00 (+24.83%) Additional exemption filed | $8,272,475 Land $1,026,248 Building $7,246,227 |
| 2022 | $3,991.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 100 Harvard Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · 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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Apr 1998 · Severe Winter Storms And 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.
Wildfire risk around 100 Harvard Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2019–2021) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 589 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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