Question 1

What is the zonal value in Ilocos Sur?

Accepted Answer

Zonal values in Ilocos Sur range from ₱8 to ₱215,000 per sqm based on official BIR data. The average zonal value across all classifications is ₱5,851 per sqm. Values vary by city, barangay, street location, and land classification (residential, commercial, agricultural).

Question 2

How do I compute CGT for property in Ilocos Sur?

Accepted Answer

Capital gains tax (CGT) in Ilocos Sur is 6% of the higher of: the selling price, BIR zonal value, or assessed value. Use LandValuePH's free CGT calculator to compute your exact tax based on your property's zonal value.

Question 3

When was the last BIR zonal value update for Ilocos Sur?

Accepted Answer

The current BIR zonal values for Ilocos Sur are based on the most recent Department Order issued by the Bureau of Internal Revenue. LandValuePH maintains updated records from official BIR releases.

Ilocos Sur Zonal Value 2026

Cities & Municipalities in Ilocos Sur

Alilem

Banayoyo

Bantay

Burgos

Cabugao

Candon

Caoayan

Cervantes

Galimuyod

Gregorio Del Pilar

Lidlidda

Magsingal

Nagbukel

Narvacan

Quirino

Salcedo

San Emilio

San Esteban

San Ildefonso

San Juan

San Vicente

Santa

Santa Catalina

Santa Cruz

Santa Lucia

Santa Maria

Santiago

Santo Domingo

Sigay

Sinait

Sugpon

Suyo

Tagudin

Vigan

Other Provinces in Region I

Frequently Asked Questions