Larkspur property tax: where it goes
A Larkspur house pays 1.119% of its taxable value in property tax, plus flat charges on the same bill. For a house at $1,996,600 of market value with the homeowners' exemption, that's about $24,539 a year.
Tax is levied on assessed value less exemptions (Prop 13): the countywide 1% tax of $1.00 per $100 of assessed value, plus the voter-approved bond rates the Marin County Board of Supervisors adopted for 2026-27.
Who taxes this house
| Taxing agency | Rate | On $1,996,600 |
|---|---|---|
| Countywide 1% tax (Prop 13) | 1% | $19,896 |
| College of Marin bonds (schools) | 0.0234% | $466 |
| Larkspur-Corte Madera School District bonds (schools) | 0.048% | $955 |
| Tamalpais Union High School District bonds (schools) | 0.0289% | $575 |
| Marin Healthcare District bonds | 0.0185% | $368 |
| Larkspur-Corte Madera School District parcel tax | flat | $1,106 |
| Tamalpais Union High School District parcel tax (Measure M) | flat | $560 |
| Marin Wildfire Prevention Authority tax (Measure C, 2,000 sq ft house) | flat | $228 |
| Ross Valley storm drainage fee (Flood Control Zone 9, 0.151 to 0.25 acre lot) | flat | $154 |
| Ross Valley Paramedic Authority tax | flat | $104 |
| Marin Water fire flow fee | flat | $75 |
| Marin Emergency Radio Authority tax | flat | $29 |
| SF Bay Restoration Authority parcel tax (Measure AA) | flat | $12 |
| Marin/Sonoma mosquito & vector control assessment | flat | $12 |
| Total | 1.119% | $24,539 |
2026-27 tax year, Marin County (Larkspur tax rate area 4-001). Exemptions applied: Homeowners' exemption ($7,000).
Ways to pay less
- Seniors 65+: Larkspur-Corte Madera School District parcel tax exemption. Owners who will be 65 by June 15, own a beneficial interest in the home, use it as their principal residence and file an application get a full year's exemption from the school district's parcel tax, effective July 1 of the following tax year. Owners who turn 65 after June 15 and file between June 16 and December 15 get a half-year credit. People receiving SSI for a disability can also qualify. Once approved, the exemption continues for the rest of the tax's term while the home stays their principal residence. How: Print and complete the Parcel Tax Senior Exemption Form, or contact the District Office at (415) 927-6960 or parceltax@lcmschools.org.
- Seniors 65+: Tamalpais Union High School District parcel tax exemption. Homeowners who are 65 by May 1 and both own and live in the home can be exempted from the high school district's parcel tax for the following tax year; some owners receiving SSI or SSDI disability benefits can also qualify (SSDI has an income limit). The exemption continues each year you remain eligible without reapplying. How: File the application by May 1, online or by mail; questions: (844) 332-0549.
- Low-income seniors 65+: wildfire tax exemption. Owners 65 or older in a single-family home whose household income is at or below HUD income limits can be exempted from the Marin Wildfire Prevention Authority parcel tax. The application must be filed every year before June 30. How: Apply through the Marin Wildfire Prevention Authority's senior exemption page; status questions go to NBS at customercare@nbsgov.com or 1-(800) 676-7516.
- Low-income households: 25% off the sewer service charge. Ross Valley Sanitary District's assistance program takes 25% off the sewer service charge on the property tax bill for an owner-occupied single-family home whose household income is under the low-income limit. The 2026/27 application was due June 30, 2026, and approval lasts one year, so you apply again each year. How: File Ross Valley Sanitary District's Sewer Service Charge Assistance Program application with proof of income (a tax return or a PG&E bill showing CARE).
Dates
| When | What |
|---|---|
| Nov 1 (in 10 days) | Installment 1 of the property tax is due; it is delinquent after 5 p.m. December 10, with a 10% penalty. |
| Nov 30, 2026 (in 39 days) | Last day of Marin County's 2026 assessment appeal filing period (opened July 2). |
| Feb 1 | Installment 2 of the property tax is due; it is delinquent after 5 p.m. April 10, with an additional 10% penalty and a $20 fee. |
| Feb 15 | Last day for a first-time homeowners' exemption claim to get the full exemption for that year. |
| May 1 | Filing deadline for the Tamalpais Union High School District senior parcel tax exemption for the next tax year. |
| Jun 30 | Applications due for Ross Valley Sanitary District's sewer charge assistance (a new one each year) and the Marin Wildfire low-income senior exemption. |
Pay or manage it
Sources
- Marin County 2026-27 tax rates, Exhibit A (countywide 1%)
- Marin County 2026-27 voter-approved tax rates, Exhibit B
- Marin County Board of Supervisors staff report: FY 2026-27 tax rates (Aug 25, 2026)
- Resolution setting FY 2026-27 tax rates
- Marin County 2025-26 Tax Rate Book
- California BOE: Homeowners' Exemption
- Marin County Office of Education: 2026-27 school parcel tax summary
- Marin Wildfire Prevention Authority board packet, March 19, 2026 (2026-27 tax rate resolution)
- Marin County elections: Larkspur Measure H (June 2022), paramedic tax
- Marin Water: fire flow fee exemptions
- MERA parcel tax (NBS parcel tax info)
- SF Bay Restoration Authority Measure AA (NBS parcel tax info)
- Marin County Office of Education: school district parcel taxes
- Larkspur-Corte Madera School District: senior parcel tax exemption
- Tamalpais Union High School District parcel tax exemption form
- Tamalpais Union High School District: parcel tax exemption
- Marin Wildfire Prevention Authority: low-income senior exemption
- Marin County: property tax penalties and late payments
- California BOE letter: 2026 assessment appeal filing periods by county
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.