Skip the $2,000 site analysis.
Know if a lot is buildable in 30 seconds.

Real LIDAR terrain, slope, drainage, sun, viewshed, and driveway feasibility for any US property. $50 per report.

Or see the live demo on a sloped rural lot →

Why people use LotScanner

Don't buy the wrong lot

A flat-looking lot can hide a 15% slope. A wooded lot can hide a wetland. Find out before you make an offer — not after.

Skip the engineering quote

A real civil-engineering site analysis costs $1,000–3,000 and takes weeks. Get the same critical answers in 30 seconds, for $50.

Share with your team

Send the report link to your spouse, your realtor, your builder. Everyone sees the same picture and asks the same questions.

What's in your report

Real data from USGS, FEMA, USDA, county assessors, and OpenStreetMap. The same sources professional engineers use — surfaced in a 3D visualization built for the question you actually have: can I put a house here, and what will it cost me to find out?

▲
Terrain & Topography
The actual shape of the ground, derived from real LIDAR — not guessed from satellite imagery.
  • 3D model from real LIDAR (1m resolution where available)
  • Contour lines (2 ft or 5 ft, adaptive to data quality)
  • Elevation min, max, and total drop
  • Native data tier + acquisition year
◇
Buildable Area Analysis
Algorithmic detection of where on the lot you can actually put a house — accounts for slope, setbacks, and shape.
  • Best building pads ranked by size and slope
  • Buildable square footage and avg slope per region
  • Distance to road from each pad
  • Buildability score (0–100)
~
Water & Drainage
How water moves across the lot, and what's been officially flagged as flood- or wetland-prone.
  • Surface water flow patterns (drainage arrows)
  • Drainage sinks (where water collects)
  • FEMA flood zone designation
  • National Wetlands Inventory overlay
☼
Sun, Views & Privacy
Sun exposure across the entire lot, and what you'll be able to see (or hide) from any point on the property.
  • Solar gain heatmap (% of day in direct sun)
  • Sunrise/sunset bearings across the year
  • Viewshed from any point — see exactly what's visible
  • Best viewpoints ranked by visible area
↗
Access & Driveways
Where the driveway can plausibly go, what slope it'll have, and what it'll cost in cut/fill.
  • Auto-computed candidate driveway paths
  • Slope profile + max grade per route
  • Draw-your-own driveway tool with live analysis
  • Total rise/run, length, average grade
⌂
Property Records
Authoritative county-assessor data — precise lot lines, ownership, zoning, and sale history.
  • Precise lot boundaries (via Regrid)
  • Acreage, perimeter, road frontage measurements
  • Current owner of record
  • Zoning designation, land use, last sale price + date

How it works

Enter an address

Any US address works. Type or paste — we'll show you matching properties as you type. Always free.

See what's available

We check what data is published for your specific property and show you a full checklist before you pay. No surprises.

Get your report — $50

Pay once, get a permanent shareable link to the full interactive 3D analysis. Share it with anyone who needs to see it.

Pricing

Most people only need one report — they're scoping a specific lot. Builders and realtors save with the unlimited plan.

Single property
$50 one-time
Full report for one address
  • Full interactive 3D analysis
  • Unlimited access forever
  • Shareable URL — send to anyone
  • PDF export
  • All analytics included
Best for: someone evaluating one specific lot.
Pro
$100 /month
Unlimited addresses, cancel anytime
  • Every analysis above
  • Unlimited property reports
  • Save and organize properties
  • PDF exports
  • Cancel anytime
Best for: builders, realtors, serial lot-shoppers.

Properties without full parcel records (rare — about 5% of US addresses) are automatically discounted to $25.

Frequently asked questions

Where does the data come from?

USGS 3DEP for LIDAR-derived terrain (1m resolution where available, 3m or 10m elsewhere), FEMA NFHL for flood zones, USFWS NWI for wetlands, county-assessor records via Regrid for parcel boundaries and ownership, and OpenStreetMap for roads. The same public-domain sources professional civil engineers use.

How accurate is the terrain?

Where USGS publishes 1m LIDAR (≈95% of CONUS as of 2026), vertical accuracy is typically under 30cm — sufficient to identify meaningful slope, drainage, and building pads. We label every report with the exact data source and acquisition year so you never have to guess. In areas where only 10m data is available, that's surfaced honestly in the badge.

Is this a substitute for a real site survey?

No. LotScanner is a pre-purchase feasibility check — designed for "should I make an offer?" or "is this lot worth pursuing?". Before you actually build, you'll still want a surveyor to walk the property, a soils engineer to assess bearing capacity, and a civil engineer to design the site plan. Think of LotScanner as the first $50 you spend before you spend the first $5,000.

Do you have my lot?

Most likely yes. We cover essentially every US address that has a postal record. The address search above will tell you exactly what's available for your specific property — including precise lot lines when published, or approximate ones with a discount if not.

What if the report isn't useful?

7-day no-questions-asked refund. We'd rather hear what was missing than keep your money.

Can I use this for a property I already own?

Absolutely — many of our users do exactly this when planning an addition, an accessory dwelling unit, a barn, a driveway redesign, or just to understand what they've got.