---
type: "Bill"
title: "A bill for an act relating to the continuance of lawful preexisting nonconforming uses by manufactured, modular, and mobile homes and site-built dwelling units. (Formerly HSB 100.) Effective 7-1-19."
description: "A bill for an act relating to the continuance of lawful preexisting nonconforming uses by manufactured, modular, and mobile homes and site-built dwelling units. (Formerly HSB 100.) Effective 7-1-19."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2019-2020"
identifier: "HF 701"
citation: "Iowa HF 701 (2019-2020)"
classification: ["bill"]
subjects: ["city government", "county boards of supervisors", "county government", "manufactured homes", "mobile homes", "ordinances", "zoning"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 17
vote_count: 3
first_action: "2019-03-11"
last_action: "2019-04-23"
source: "openstates"
source_identifier: "ocd-bill/ffe92b65-0587-4a56-925e-ea3516b2c5de"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 701&ga=88"
source_hash: "11cbf76867ab543fae09694c331b2c0feabec7c502442c9f334887f6e3d95744"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ia"]
---

# Iowa HF 701 (2019-2020) — A bill for an act relating to the continuance of lawful preexisting nonconforming uses by manufactured, modular, and mobile homes and site-built dwelling units. (Formerly HSB 100.) Effective 7-1-19.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/88/attachments/HF701.html)
2. **Amendment H-1081** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H1081.pdf)
3. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/88/attachments/HF701.html)
4. **Reprinted Marked Up** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGRM/88/attachments/HF701.html)
5. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/88/attachments/HF701.html)

## Votes

- Shall the rules be suspended to consider amendment H-1121, to amendment H-1081? — **45–54** (fail) · lower
- Shall the bill pass? — **35–13** (pass) · upper
- Shall the bill pass? — **84–15** (pass) · lower

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-03-11** Introduced, placed on calendar. `introduction`
- **2019-03-27** Amendment H-1081 filed. `amendment-introduction`
- **2019-04-03** H-1121 to H-1081 filed, ruled not germane
- **2019-04-03** Motion to suspend rules to consider H-1121 to H-1081.
- **2019-04-03** Motion to suspend rules failed.
- **2019-04-03** Amendment H-1081 adopted. `amendment-passage`
- **2019-04-03** Passed House, yeas 84, nays 15. `passage`
- **2019-04-03** Immediate message.
- **2019-04-04** Message from House.
- **2019-04-04** Read first time and attached to similar SF 368. `reading-1`
- **2019-04-04** Placed on calendar under unfinished business.
- **2019-04-09** Substituted for SF 368.
- **2019-04-09** Passed Senate, yeas 35, nays 13. `passage`
- **2019-04-09** Immediate message.
- **2019-04-09** Message from Senate.
- **2019-04-22** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2019-04-23** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ffe92b65-0587-4a56-925e-ea3516b2c5de`. Confidence: reported (aggregated from official Iowa legislature records).