Environmental Rules in Mountain View, CA (2026)
4 verified environmental rules for Mountain View, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Mountain View enforces MRP 3.0 requiring C.3 treatment for projects creating 5,000 sq ft or more of impervious surface. Illicit discharges to storm drains are prohibited and fined.
Mountain View Stormwater Rules
Heavy RestrictionsErosion Control
Construction sites in Mountain View must install erosion control BMPs year-round, with enhanced measures October 1 through April 30. Sites over 1 acre need a Construction General Permit.
Mountain View Erosion Control
Heavy RestrictionsFlood Zones
Mountain View contains FEMA AE and X flood zones along Stevens Creek, Permanente Creek, and the Bay shoreline. Construction in special flood hazard areas requires elevation to BFE plus 1 foot and flood insurance.
Mountain View Flood Zones
Heavy RestrictionsGrading & Drainage
Mountain View requires a grading permit for any excavation or fill exceeding 50 cubic yards, any cut or fill over 4 feet deep, or work on slopes steeper than 3:1. Drainage must not cross property lines without easements.
Mountain View Grading and Drainage
Some RestrictionsLooking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mountain View city rules.
Environmental Rules in Santa Clara County →