A parcel with no septic feasibility, no realistic power, or no legal access can be a very expensive mistake. These three checks separate a buildable rural lot from a landlocked one.
Septic & the perc test
Most rural Southern Utah parcels aren't on municipal sewer, so a home needs an on-site septic system. Whether the ground can support one — and what type — depends on how well the soil absorbs water. A percolation (perc) test and a feasibility review, handled through the Southwest Utah Public Health Department, answer this. Rocky, clay-heavy or high-water-table sites can require costlier engineered systems, or occasionally none at all. Test before you trust.
Utility reach
On rural land, "close to power" can still mean an expensive extension. Ask:
- Power — how far is the nearest line, and what would the utility charge to extend it? For remote parcels, solar may be cheaper than a long line pull.
- Culinary water / sewer — usually not present rurally; see the water guide. Budget for a well and septic if there's no system.
- Internet & propane — check fixed-wireless/satellite options and propane delivery for heating/cooking off-grid.
Legal and physical access
You need both. Legal access means the parcel fronts a public road or has a recorded easement guaranteeing your right to reach it — without it, you may own "landlocked" ground. Physical access means an actual, driveable route that you can build a driveway on. A parcel can have one without the other. Confirm a recorded easement or public frontage, and walk (or drive) the access before you buy.
Frequently asked questions
What is a perc test and do I need one?
A percolation (perc) test measures how quickly soil absorbs water, which determines whether — and what type of — septic system a parcel can support. On rural land without sewer, it's essential; arrange it through the Southwest Utah Public Health Department before relying on the lot being buildable.
How do I know if land has legal access?
Legal access means the parcel fronts a public road or has a recorded easement guaranteeing entry. Confirm it in the title work and recorded documents — without legal access a parcel can be landlocked. Also verify there's a physically driveable route, not just a line on a map.
Is it expensive to bring power to rural land?
It can be. If the nearest line is far away, a utility extension may cost more than expected — sometimes enough that off-grid solar becomes the better option. Always get an extension estimate from the utility (or price a solar setup) before committing to a remote parcel.
Buying or selling land in Washington County?
Aurora Serrano is a St. George REALTOR® with Abundant Real Estate Group at Keller Williams — helping buyers find buildable lots, acreage, view parcels and off-grid ground across St. George, Ivins, Hurricane, Apple Valley, Enterprise and all of Southern Utah. She knows the questions that make or break a raw-land deal: water rights, culinary vs. secondary water, zoning, access, septic feasibility and utility reach. Bilingual (English & Spanish) and a licensed financial-planning perspective most agents can’t match.
Have a parcel in mind, or want a shortlist? Text Aurora directly:
Text Aurora · 435-256-5584 Search Southern Utah listings