Utilities, Wells, Septic & Permits: The Rigby Lot Buyer's Guide

Before you write an offer on a Rigby-area lot, walk through these five items. They're the things that most often catch first-time land buyers off guard.

1. Water — city or private well?

In-town Rigby lots typically connect to city water (monthly bill + hookup fee). Subdivisions just outside city limits, including Teton Heights Division 6, use private domestic wells. Idaho updated domestic well law in 2025 (SB 1083) and again in 2026 (SB 1222), clarifying that domestic wells can irrigate up to a half-acre. Worth understanding before you plan a lawn.

2. Septic — conventional or engineered?

Most Jefferson County lots support a standard gravity-fed conventional septic system. Lots with shallow water tables or tight soils may require an engineered system, which adds $5,000–$15,000. Always confirm before you close.

3. Power and gas

Rocky Mountain Power serves most of the county. New construction hookups usually run $1,500–$4,000 depending on distance from the transformer. Underground power (already in at Teton Heights) avoids overhead-line costs. Natural gas is hit-or-miss outside city limits — most rural lots use propane.

4. Permits

Building permits go through Jefferson County Planning & Zoning. Plan review is typically 2–4 weeks. Subdivisions usually have their own plan-approval step before county submittal — at Teton Heights you can submit through the online plan-approval form for a fast turnaround.

5. CC&Rs and builder restrictions

Read the CC&Rs before you write an offer. Some subdivisions lock you into a single builder or a narrow set of approved floor plans. Teton Heights Division 6 does not — you can bring your own builder and your own plan.

Questions about any of this on a specific lot? Call Kipp at (208) 200-0605 — happy to walk a parcel with you before you commit.