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Construction and rebuilds in San Elijo Hills

Additions and ADUs in San Elijo Hills, a master-planned part of San Marcos with HOA review.

What is different about San Elijo Hills

  • San Elijo Hills is part of the City of San Marcos, so permits come from San Marcos Development Services.Source: City of San Marcos Development Services
  • About 34% of the roughly 19,300 housing units in ZIP 92078, which also covers parts of San Marcos, were built before 1990, so most homes here are newer.Source: U.S. Census Bureau, ACS 2024 5-year, tables B25034 and B25003 (via Census Reporter)
  • The community is governed by the San Elijo Hills Community Association, whose Architectural Committee reviews exterior changes; some neighborhoods may have additional rules.Source: San Elijo Hills Community Association (Architectural Committee notices)

San Elijo Hills was developed mainly from the late 1990s on, and its homes are newer than most on this list. That cuts the odds of surprises behind the walls, so work tends to be additions, outdoor living spaces and finish upgrades. Because the lots are compact and sloped, a second-story addition or a detached unit has to be sited with care for setbacks and slope.

Approval usually has two steps. The association reviews the design first, and some neighborhoods may have additional rules, so check the CC&Rs for the specific lot. Then the plan goes to the city. We read the CC&Rs with the owner before pricing, since rules on roof pitch, materials and lot coverage are often stricter than the city's. ZIP-level Census data here is approximate, since the ZIP also includes older parts of San Marcos.

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