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RDO 091 · Dipolog City, Zamboanga del NorteEffective 2/13/2019PSGC 0907215000

BIR Zonal Values in Siayan

Siayan is a municipality in Zamboanga del Norte with 21 barangays and 47 streets indexed in the BIR zonal value schedule. Citywide residential values range from ₱25 to ₱700/sqm, with a median of ₱130/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.

Zamboanga del Norte, Zamboanga Peninsula · RDO 091 (Dipolog City, Zamboanga del Norte)

DO 073-2018 · Effective: 2/13/2019

PSGC 0907215000

Data last verified 2026-10-14 · see recent updates

Browse 21 barangays

Siayan Zonal Value Highlights (2026)

Highest Commercial
₱770/sqm
Prov'l.Rd-C.Adaza St., Poblacion
Highest Residential
₱700/sqm
Rizal St.-Sindangan Junc., Poblacion
Most Affordable
₱25/sqm
All Lots (Interior Barangay), Domogok
Median Residential
₱130
Median Commercial
₱279
Barangays
21
Streets Indexed
47
Buildings / Condos
0

Transfer taxes

Estimated transfer taxes in Siayan

At the median residential zonal value of ₱130/sqm:

  • For a 50sqm property (zonal basis ₱6,500): estimated CGT ₱390, DST ₱98, total ₱488.Zonal basis ₱6,500CGT ₱390 · DST ₱98₱488 estimated total
  • For a 100sqm property (zonal basis ₱13,000): estimated CGT ₱780, DST ₱195, total ₱975.Zonal basis ₱13,000CGT ₱780 · DST ₱195₱975 estimated total
  • For a 200sqm property (zonal basis ₱26,000): estimated CGT ₱1,560, DST ₱390, total ₱1,950.Zonal basis ₱26,000CGT ₱1,560 · DST ₱390₱1,950 estimated total

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.

Which RDO covers your property?

All zonal values in Siayan are published under BIR RDO 091 (Dipolog City, Zamboanga del Norte).

Estimate your own

CGT 6% · DST 1.5%

Zonal value basis

sqm

Estimated CGT + DST

₱975

Zonal basis
₱13,000
CGT 6%
₱780
DST 1.5%
₱195
Full Transfer Tax Calculator →

21 barangays

Barangays in Siayan

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Method and law

About These Values

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:

  • 6%Capital Gains Tax (6%)
  • 1.5%Documentary Stamp Tax (1.5%)
  • LGUTransfer Tax (varies by LGU)

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.

RA 12001 (RPVARA) timeline

  1. 2/13/2019

    Last BIR schedule update for Siayan.

  2. July 5, 2024

    RA 12001 (RPVARA) takes effect. BIR zonal values remain in force until replaced by an approved Schedule of Market Values for each LGU (Sec. 31).

  3. July 5, 2026

    The law required SMVs to be updated within two years of its effectivity. The real property tax amnesty on penalties, surcharges, and interest ends (Sec. 30).

  4. Until an SMV is approved

    Where no approved SMV exists, the BIR continues to use existing zonal values or the transaction price, whichever is higher (Sec. 29).

Data Source: Bureau of Internal Revenue (BIR), Philippines

Legal Basis: Section 6(E) of NIRC of 1997, as amended by RA 10963 (TRAIN Law)

BIR Zonal Values PageRA 12001 (RPVARA) full text

Data extracted from official BIR zonal value schedules. For official purposes, verify with BIR directly.