Bostonia

Community in San Diego County

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Report created October 27, 2026 at www.firezones.info/community/07624/bostonia

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    18% Very High

    All of the Very High land is in the Local Responsibility Area, where San Diego County adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    24% has burned

    An unnamed fire in 1942 burned 300 acres here.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    Not elevated

    Outside the CPUC High Fire-Threat District, though a shutoff can still reach homes whose lines run through it.

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Land by hazard class

  1. Very High 218 acres · Local Responsibility Area 18%
  2. High 87 acres · Local Responsibility Area 7%
  3. Moderate 80 acres · Local Responsibility Area 6%
  4. Non-wildland 849 acres · Local Responsibility Area 69%

1,233 acres of land in all, 1,233 of it in the Local Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

Fires that burned here

  1. 1942 Unnamed fire Of 626 acres in all 300 acres

In all, 300 acres of Bostonia have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data

Nearby areas

ZIP codes in Bostonia

Neighboring communities

  1. Bostonia 18% Very High · this area
  2. El Cajon 4% High · 3% Very High
  3. Granite Hills 52% Very High
  4. Santee 58% Very High
  5. Winter Gardens 46% Very High