Zamboanga del Norte, Zamboanga Peninsula · RDO 091 (Dipolog City, Zamboanga del Norte)
DO 073-2018 · Effective: 2/13/2019
PSGC 0907215000
Data last verified 2026-06-09 · see recent updates
Siayan is a municipality in Zamboanga del Norte with 15 barangays and 38 streets indexed in the BIR zonal value schedule. Citywide residential values range from ₱25 to ₱700/sqm, with a median of ₱163/sqm. Commercial values range from ₱40 to ₱770/sqm. The highest residential zonal value is ₱700/sqm at Rizal St.-Sindangan Junc. in Poblacion. Siayan falls under BIR RDO 091, latest schedule effective 2/13/2019. PSGC code 0907215000.
At the median residential zonal value of ₱163/sqm:
Actual taxes are computed on the selling price, fair market value, or zonal value, whichever is highest. Capital Gains Tax is 6% and Documentary Stamp Tax is 1.5%; transfer tax varies by LGU. Consult a licensed tax professional.
15 barangays
These zonal values are published by BIR RDO 091 (Dipolog City, Zamboanga del Norte) and represent the minimum taxable value per square meter for properties in Siayan.
When computing taxes, the BIR uses whichever is higher: the selling price/fair market value or the zonal value. These values are used for:
Market value is not a simple multiplier of the BIR zonal value. It varies by submarket, road access, frontage, lot shape, development, and recent comparable sales. For accurate market valuation, consult a PRC-licensed real estate appraiser or broker.
Data Source: Bureau of Internal Revenue (BIR), Philippines
Legal Basis: Section 6(E) of NIRC of 1997, as amended by RA 10963 (TRAIN Law)
Data extracted from official BIR zonal value schedules. For official purposes, verify with BIR directly.
Last BIR schedule update for Siayan: 2/13/2019. Under RA 12001 (RPVARA), BIR zonal values remain in force until replaced by an approved Schedule of Market Values for each LGU (Sec. 31). The law required SMVs to be updated within two years of its July 5, 2024 effectivity; where no approved SMV exists, the BIR continues to use existing zonal values or the transaction price, whichever is higher (Sec. 29). The real property tax amnesty on penalties, surcharges, and interest ends July 5, 2026 (Sec. 30).