Grand Ave

0.14 acres of vacant residential land on Grand Ave, county land with a Spring Valley address, zoned RS, single-family residential, 10,000 sq ft lots. Most of it is steep: lidar puts the median slope at 35%, with 92% of it over 25%, and the soil survey calls it rocky silt loam, well drained, very limited for houses. It sits outside the flood zone and any fire zone. It has 19 m of public street frontage on Grand Ave, with Otay Water District water. Sewer is unknown.

• Slopemedian 35%, 92% over 25%, about 500 sq ft under 25%USGS 1 m lidar
• Soilrocky silt loam, well drained, very limited for housesNRCS soil survey · Sep 11, 2026
• Floodzone X, minimalFEMA flood map · May 16, 2012
• Firenot in a hazard zoneCAL FIRE hazard zones
• Road frontage19 m on Grand AveSanGIS rights of way · Nov 3, 2026
• ZoningRS, single-family residential, 10,000 sq ft lotsCounty of San Diego zoning · Apr 7, 2026
• Homes allowedabout 1 (4.3 per acre, on the ground under 25% slope)County of San Diego zoning · Apr 7, 2026
• WaterOtay Water DistrictSANDAG water districts
• SewerUnknownCounty sewer and septic screening · May 7, 2025
• Coastal ZoneoutsideSANDAG coastal zone
• Farm contractno farm contractCounty farm contracts
• Elevation584 ft, 563 to 598 ft across the lotUSGS 1 m lidar

From FEMA, USGS lidar, the USDA soil survey, CAL FIRE, SANDAG and county and city zoning, checked Nov 7, 2026. Public records, not a survey: confirm with the city or county before you buy.

Zoned Schools

• High

  Monte Vista High · grades 9-12 · Grossmont Union High

The district's assigned schools for this parcel, from its attendance boundaries and rules. Boundaries change: confirm with the district before you buy.