Housal tracks 78,462 BIR zonal value entries in Ilocos Region. Zonal values range from ₱100/sqm to ₱123,600/sqm (average ₱1,616/sqm). Top classifications: RR (30,634), CR (13,547), A2 (12,348). Source: Bureau of Internal Revenue (BIR). Last checked June 3, 2026.
BIR Zonal Values in Ilocos Region
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Provinces in Ilocos Region