Modesto, California Drone Laws

City overview

Overview

Modesto is located in California. Drone operations are governed by federal FAA regulations (14 CFR Part 107) and may be subject to state and local ordinances.

State Regulations & Statutes

California has multiple drone-related statutes. Cal. Civ. Code § 1708.8 establishes a drone physical invasion of privacy tort — a person is liable for operating a drone in the airspace immediately above private property to capture images or sound without permission. Cal. Penal Code § 647(j)(1) criminalizes using a drone to look through the window of a residence to record intimate activities. Cal. Pub. Util. Code § 21662.5 prohibits operating drones over emergency response operations. California also prohibits drone operations over state prisons and wildfire operations. Modesto City-County Airport (KMOD) Class D airspace and nearby Castle Airport (KMER) affect operations across Stanislaus County.

Applicable Statutes & Penal Codes

• Cal. Civ. Code § 1708.8: Drone invasion of privacy — civil liability for operating UAS over private property to capture images without consent
• Cal. Penal Code § 647(j)(1): Criminal penalties for using drone to peer into residential windows to record private activity
• Cal. Pub. Util. Code § 21662.5: Prohibited to fly drone over active wildfire suppression operations; criminal penalties
• California prohibits drone operations over state correctional facilities
• KMOD Class D airspace: Authorization required within 4.4 nm of Modesto City-County Airport
• KMER (Castle Airport) Class D airspace: Authorization required within 4.4 nm
• FAA Part 107 Remote Pilot Certificate required for all commercial drone operations
• FAA drone registration required for all UAS over 0.55 lbs
• Yosemite National Park (NPS, 60 miles east): All drone operations strictly prohibited

Permits & Registration

Commercial operations require FAA Part 107 Remote Pilot Certificate. LAANC authorization required for KMOD Class D and KMER Class D airspace. Yosemite National Park requires Special Use Permit for commercial drone operations; recreational drones are entirely prohibited. California State Parks in the Stanislaus area require written permit from California State Parks. City of Modesto parks require advance written permit from Modesto Parks, Recreation and Neighborhoods.

Official Statute Links

• https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=1708.8.&lawCode=CIV
• https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=647.&lawCode=PEN
• https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=21662.5.&lawCode=PUC
• https://www.faa.gov/uas/commercial_operators/part_107/

Nearby Airports & Airspace

Airspace restrictions apply near airports. Always check B4UFLY and LAANC before flying.

Local Flying Guide

Always verify conditions with local authorities and property owners before flight.

Potential Safe Flying Locations

• Stanislaus County agricultural farmland east of Modesto — outside Class D; flat Central Valley terrain with landowner permission
• Rural almond and walnut orchards in eastern Stanislaus County — agricultural areas; landowner permission required for crop imaging
• Merced County rural farmland south — outside controlled airspace; check LAANC
• Private agricultural land near Crows Landing area (west Stanislaus County) — flat terrain, minimal air traffic
• Turlock Lake State Recreation Area — California State Parks written permit required; check airspace
• Rural San Joaquin County areas north — outside Class D; flat Central Valley; landowner permission

Areas to Avoid

• KMOD Class D airspace — covers Modesto urban area within 4.4 nm; authorization required
• KMER Class D airspace — Castle Airport; authorization required; former SAC base with large ramp area
• Yosemite National Park (60 miles east) — all drone operations strictly prohibited; NPS enforcement active
• All Modesto city parks — written permit required
• Stanislaus National Forest — USFS permit required; contact Oakdale Ranger District
• Any active wildfire area — California law prohibits drone operations over wildfire suppression; $5,000+ fines
• Don Pedro Reservoir — irrigation district property; authorization required
• Agricultural operations in bloom season (February–March) — respect crop duster flight paths in almond orchards

Weather Considerations

Modesto lies in the heart of the Central Valley at approximately 90 ft elevation. The region is famous for tule fog — a radiation fog that forms November through February and can create zero-visibility conditions lasting days. Tule fog is responsible for more traffic deaths in California than any other weather event and is equally dangerous for drone operations. Summers are hot and dry with temperatures frequently exceeding 100°F, and wildfire smoke from the Sierra Nevada and coastal ranges can reduce visibility to near zero. Spring (February–April) after fog season and before heat is the ideal time. Check NWS Hanford (weather.gov/hnx) for Central Valley fog advisories.

Seasonal Tips

BEST: February–April and October–November (avoid peak tule fog season yet before summer heat; almond bloom in February creates spectacular agricultural aerial imagery with proper permits). AVOID: November–January (tule fog can persist 24–48 hours with zero visibility), June–September (100°F+ heat, wildfire smoke reduces visibility to near zero, crop dusting operations active in agricultural areas). Always check the California Air Resources Board AQI before flying — Modesto regularly has some of the worst air quality in the nation during summer. Crop dusters operate at extremely low altitudes in the San Joaquin Valley — maintain awareness of agricultural aviation activity.

Compliance Checklist

• ✓ Federal FAA Part 107 or recreational exemption
• ✓ California state regulations
• ✓ Modesto local ordinances
• ✓ B4UFLY airspace check
• ✓ LAANC authorization if in controlled airspace
• ✓ Property owner permission
• ✓ Weather safety

Plan nearby flights

Related Resources & Guides

Use these pages to move from Modesto rules to statewide law, nearby airport restrictions, and the federal preflight checks that still apply before launch.