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Explainers, methodology deep-dives, and practical guides on Philippine property hazards. Written for the decisions that matter.
130 articles published
Local offices hold records no national dataset has: which streets flooded, which permits were refused, where the drainage actually goes. Here is who to ask, what to ask for, and how local knowledge fits alongside a mapped hazard screening.
Antique is a thin strip between the sea and the Central Panay mountain range. Capiz opens onto the Sibuyan Sea with wide low ground and rivers. Two very different hazard pictures on the same island. Here is what to screen for each.
A hazard finding is not automatically a reason to walk away. Often it is a reason to talk about price, scope of work, or who pays for what. Here is how to use a screening in a negotiation without overstating what it proves.
Bukidnon sits above most of Mindanao, away from the coast and the storm surge maps. That removes one hazard and leaves several others: river valleys, steep slopes, mapped faults, and the debris that comes off a mountain in heavy rain. Here is what to screen.
A pre-selling unit is sold with a perspective drawing, not a finished street. The land is real and already mapped, though, so you can screen the hazards before you hand over the reservation fee. Here is exactly what to check and what to ask the developer.
Samar, Northern Samar, and Eastern Samar sit on the side of the country that meets Pacific typhoons before anyone else. Here is what a hazard screening checks for a Samar address: storm surge, river flooding, steep interior slopes, and the coastal exposure a dry-season visit will never show you.
A lot that was a rice paddy, a creek, or a shoreline five years ago is now flat, dry, and for sale. Hazard maps do not track fill, so here is what the report can still tell you, and the four questions you have to answer yourself.
Every CheckHazard report lists the nearest schools, health facilities, and major roads within 2 km of the address. It is not a lifestyle section. It is there so you can ask whether the places you would run to are on the same side of the flood as you are.
The Ilocos coast sits in the path of storms crossing northern Luzon, its river deltas flood, and the July 2022 Abra earthquake was felt hard in Vigan and Laoag. What to check at a specific Ilocos address before you commit.
Most buyers are not picking between a dangerous lot and a safe one. They are picking between two that both looked fine on a sunny Saturday. A field-by-field method for letting hazard data break the tie, plus a tie-break checklist.
For a business site, downtime usually costs more than damage. Here is what to check before you sign a commercial lease or buy a lot: ground floor exposure, access roads, staff commute, and what your insurer will ask.
Kidapawan, Makilala, Tulunan, Digos: this part of Mindanao was shaken hard in October 2019, and some of the movement happened where no fault was mapped. What that means for a buyer checking one address.
Registered with the Bureau of Internal Revenue (BIR). RSN 045RC20220000005083.
© 2026 CheckHazard. Hazard data: UP NOAH Center/DOST, PHIVOLCS/GEM, OpenStreetMap contributors, PSA NAMRIA. CheckHazard does not replace a professional geotechnical or engineering survey.
