ZoningLedger
3,142 JURISDICTIONS • ENGINE LIVE
SHEET 03 / STRUCTURE INDEX
SCALE N.T.S.
Structure Classification Index

Structure types we track.

Ten alternative structure classifications, each cross-referenced against every jurisdiction's setback, occupancy, and eco-compliance code.

FIG. 02 — CLASSIFICATIONS

All Structure Types

A permanently sited, single-occupancy dwelling operating without a mandatory utility grid connection — the most commonly permitted alternative structure class.
2,480 JURISDICTIONS
AVG SETBACK: 18 FT
A secondary permanent dwelling on a parcel with an existing primary residence, subject to minimum floor-area and setback rules distinct from the main structure.
1,960 JURISDICTIONS
AVG SETBACK: 12 FT
A tiny house on wheels — regulated in most counties as either an RV/park-model or a permanent dwelling, depending on foundation and hookup status.
1,410 JURISDICTIONS
AVG SETBACK: 10 FT
Composting Toilet System
A waterless waste system permitted as an alternative or supplement to a conventional septic system, subject to state and county health-code approval.
2,102 JURISDICTIONS
SETBACK: N/A
Earthship / Rammed Earth
Passive-solar structures built from rammed earth, tires, or other dense thermal-mass materials — frequently subject to specialized structural review.
640 JURISDICTIONS
AVG SETBACK: 20 FT
Rainwater Catchment System
A collection and storage system for domestic or agricultural water use, regulated under state water-rights and plumbing code frameworks.
1,875 JURISDICTIONS
SETBACK: N/A
Yurt / Gerdome
A circular, fabric-walled seasonal or permanent structure, treated in most codes as a hybrid between a tent and a permitted dwelling.
512 JURISDICTIONS
AVG SETBACK: 15 FT
Shipping Container Home
Repurposed ISO shipping containers converted to habitable structures, frequently requiring supplemental engineering review for insulation and egress.
388 JURISDICTIONS
AVG SETBACK: 20 FT
Cordwood / Strawbale Construction
Natural-building methods using stacked cordwood or compressed straw-bale walls, permitted under alternative-materials provisions in a growing number of counties.
274 JURISDICTIONS
AVG SETBACK: 20 FT
Solar Micro-Grid Installation
Ground- or roof-mounted photovoltaic systems with battery storage, evaluated against each jurisdiction's grid-tie mandate and interconnection rules.
2,690 JURISDICTIONS
SETBACK: N/A
FIG. 03 — MACHINE INTERFACE
For Autonomous Agents

Structure classifications, machine-readable

Every structure type on this page has a corresponding markdown record listing its full cross-jurisdiction rule set. See the full API docs →

GET /structures/off-grid-cabin.md
Content-Type: text/markdown
Coverage: 2,480 jurisdictions
Format: token-dense, structured