LandCheck
Home › Guides

Land Due-Diligence Guides

Everything that goes into screening a parcel before you spend money on it — written by working through the checks the same way an experienced buyer does.

Vacant Land Due-Diligence Checklist (Free Tools for Every Step)

A working checklist for buying vacant land, ordered by cost: the free desktop checks first, then the paid professional ones — with t…

How to Check a Flood Zone by Address (Free, 2026)

What each FEMA flood zone letter actually means, how to look up any US address for free, and what to do if your property is mapped i…

Septic Suitability by Address: Reading the Soil Survey Before You Buy

How to check whether land can support a septic system using free USDA soil data, what the ratings mean, what an engineered system co…

How to Check Land Slope and Elevation Online, Free

Measure the slope of any US parcel without visiting it, understand what each grade range costs to build on, and know when the free d…

Wetlands on Your Property: What It Means and What to Do

How to check the National Wetlands Inventory for free, why the map is only a screening tool, what jurisdictional means, and what a d…

Buying Land Sight Unseen: A Desktop Research Method

How experienced land investors evaluate a parcel remotely — the exact sequence of free checks, what each one rules out, and the poin…

Is This Land Buildable? 10 Free Checks Before You Offer

Ten questions that determine whether a parcel can actually be built on, each answerable for free, with the source and the disqualify…

Questions to Ask Before Buying Vacant Land (and Who to Ask)

The exact questions to put to the seller, the county, the utility and the neighbours before you buy raw land — organised by who can …

Run this check on a real parcel

Paste an address or coordinates and get flood zone, slope, wetlands and soil in about fifteen seconds. Free, unlimited, no account.

Open LandCheck