Solidaridad’s permitting structure includes a Modalidad de Prórroga, an
extension category that renews the permit without forcing a full new submission.
Keyphrase: expired renovation permit

A second story falls under Ampliación y/o Modificación, which requires a full
structural engineering package and draws more scrutiny than a standard remodel
permit

Yes, for anything visible from the exterior, the beach or the golf course.
Interior-only work faces less scrutiny but should still be confirmed with the
architectural review committee.

Phase I’s sandy, high-water-table soil means deeper footings and more
waterproofing: 25–35% more foundation cost and 3–4 months longer. Phase II’s firmer
substrate is far more predictable.

HOA-enforced design standards, larger average lots, and on Phase I
beachfront lots, sandy high-water-table soil requiring far more intensive foundation
work than a standard inland lot.

Often they can reduce or nearly eliminate it, depending on system size
versus actual usage, but “eliminate entirely” depends on sizing the array correctly to
your consumption.