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      "answer": "**Answer:**  \nTo file a building permit application for a new fence in Marin County, use the **Marin County Community Development Agency – Building & Safety Division’s online portal** at [cdaportal2.marincounty.org/MarinBuildingPermits](https://cdaportal2.marincounty.org/MarinBuildingPermits/).  \n\n**Key points:**\n- **When a permit is needed:** Fences **over 7 feet** require a building permit. Fences **7 feet or less** are exempt from a building permit under 2025 CRC R105.2, but county zoning still regulates height (typically 4 ft front yard, 6 ft rear/side) and setbacks.  \n- **Two permit tracks:** Marin County offers (1) **quick online permits** for maintenance/minor improvements (no plans required) and (2) **larger projects** that require upfront plan review (6–8 weeks). A new fence over 7 ft typically falls into the latter track.  \n- **How to apply:**  \n  1. Confirm your project needs a permit (use the county’s portal or call (415) 473‑6550).  \n  2. Prepare a site plan and construction drawings.  \n  3. Submit the application online at the portal above.  \n  4. Pay the applicable fees (fees are based on estimated project value; contact the department for the current schedule).  \n  5. Wait for review (typical fence permit approval is about 2 weeks).  \n  6. Post the approved permit on site and schedule required inspections (post‑hole/footing and final).  \n- **Contact:** Building & Safety Division, 3501 Civic Center Dr, Suite 308, San Rafael, CA 94903; phone (415) 473‑6550; hours Mon–Thu 8 am–4 pm, Fri 8 am–12 pm.\n\n**Facts recorded from official sources:**\n\n1. Marin County has two building permit processes: quick online permits for maintenance/minor improvements (no plans needed), and larger projects requiring upfront plan review (6–8 weeks). — [Marin County Building & Safety “How to apply” page](https://www.marincounty.gov/departments/cda/building-and-safety/how-apply-building-permit)  \n2. Fences over 7 feet require a building permit in Marin County; fences 7 feet or less are exempt from building permit under 2025 CRC R105.2, but county zoning regulates height (typically 4 ft front yard, 6 ft rear/side) and setbacks. — [PermitMint guide citing Marin County CDA](https://permitmint.com/guides/fence/california/marin-county-ca/)\n\n**What I could not find:**  \nThe exact current fee schedule for a fence permit (the county site says fees are based on estimated project value and to contact the department for the latest figures).",
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