Homerun
We get the same call a few times a month: 'I bought 5 acres in [county] and I want to put a 2,400 sq ft house plus a 40x60 shop on it. Can I?' The honest answer is almost always 'maybe, depending on what your zoning, setbacks, and easements actually allow.' Before you order a kit or commit to a plan, you need to do the homework. Here's the order to do it in.
Step 1: Confirm the zoning designation
Every parcel of land has a zoning designation set by the local jurisdiction (usually the county for rural land, the city for incorporated areas). Common rural designations include Agricultural (A-1, A-2), Rural Residential (R-R), and Rural (R-E). Each designation has rules about minimum lot size, allowed structure types, max building footprint, and accessory uses.
How to find your zoning: search '[county name] GIS' or '[county name] property lookup'. Most counties have a public GIS portal where you can enter your address and see the zoning classification along with parcel boundaries. If your county doesn't have an online portal, call the planning/zoning office directly — they're typically very helpful and free to consult.
Step 2: Read the actual zoning rules for your designation
Once you know your designation, find the zoning ordinance (often a PDF on the county website) and read the section for your zone. Look for these specific items:
- Minimum lot size
- Front/side/rear setbacks (distance buildings must be from each property line)
- Maximum building height
- Maximum building coverage (% of lot that can be covered by structures)
- Allowed accessory structures (shops, barns, garages) and their setback rules
- Special use requirements (well, septic, driveway permits)
Step 3: Check for easements and restrictions
Easements give other parties (utility companies, neighbors, government) the right to use part of your land. Common easements include utility easements along the road frontage, drainage easements, and access easements. You generally cannot build inside an easement. Get a copy of your title commitment or recorded deed — easements are listed in the title documentation.
Subdivision restrictions (CC&Rs) also matter, particularly in newer rural subdivisions. These often restrict building materials, minimum house size, color, and accessory structure type. Pole barns and metal buildings are sometimes prohibited even where zoning allows them.
Step 4: Calculate your buildable area
Take your parcel and subtract the setback areas from each side. The remaining interior is your buildable area. On a 1-acre rectangular lot with 30ft front setback, 25ft side setbacks, and 25ft rear setback, you typically have around 60–70% of the lot available for buildings. On rural acreage with similar setbacks, the buildable area is large enough that setbacks rarely constrain you.
Step 5: Factor in the well, septic, and driveway
Wells and septic systems have their own setback requirements — typically 50–100ft between well and septic, 10–25ft between septic and property line, and 10ft between septic and any structure. On smaller lots these requirements can constrain where the house can sit even more than zoning setbacks.
Driveway access usually requires a driveway permit from the county road department or state DOT (if accessing a state road). Standards include sight distance, culvert sizing, and apron specifications.
Step 6: Apply for the building permit
Once you have your plans (the kit ships with stamped engineering documents), you submit a permit application to the building department. They review for compliance with the zoning rules, building code, energy code, and any local amendments. Typical residential permit timelines are 4–8 weeks; complex projects can take longer. Plan for this in your project schedule.
Common gotchas to watch for
- Maximum impervious surface limits (driveways count)
- Wetland buffers and environmental setbacks
- Floodplain restrictions (often require elevated foundations)
- Historic district overlay zones
- Right-of-way dedication requirements (you may have to give up land at the road for future widening)
- Tree preservation ordinances (some counties protect specific tree species)
Get help if you need it
Most county planning offices will do a free pre-application meeting where they walk through your project and flag issues. Take advantage of this — it can save weeks of rework. If your project is unusually complex, hiring a land use attorney for a 1-hour consultation often pays for itself.