Crossword Puzzle Beachfront building?

Clue: Beachfront building?

Add a building wing to a "Lord of the Rings" actress? (ANNEXLIVTYLER with 13 letters)
Genetic building block (NUCLEOTIDE with 10 letters)
Building projection (e.g. APSE with 4 letters)
Building materials? (SPECS with 5 letters)
Like New York's Chrysler Building (DECO with 4 letters)
Unutilized space in a building (VACANTOFFICE with 12 letters)
Building's story (FLOOR with 5 letters)
National Guard buildings (ARMORIES with 8 letters)
Building material for some houses (LEGOS with 5 letters)
Protein-building polymers (RNAS with 4 letters)