---
type: "Bill"
title: "IMPROVEMENT SPECIAL ASSESSMENT ACT"
description: "IMPROVEMENT SPECIAL ASSESSMENT ACT"
jurisdiction: "us/states/nm"
legislature: "New Mexico Legislature"
session: "2023"
identifier: "HB 228"
citation: "New Mexico HB 228 (2023)"
classification: ["bill"]
subjects: ["LIENS", "LOCAL GOVERNMENT", "PROPERTY (conservancy districts", "land grants", "real estate)"]
status: "enacted"
primary_sponsors: ["Ortez, Kristina", "Serrato, Linda", "Small, Nathan P."]
version_count: 3
action_count: 9
vote_count: 0
first_action: "2023-01-30"
last_action: "2023-04-05"
source: "openstates"
source_identifier: "ocd-bill/d388fe28-3f9a-4f66-8b58-3d5f2370b8a4"
source_url: "http://www.nmlegis.gov/Legislation/Legislation?chamber=H&legType=B&legNo=228&year=23"
source_hash: "c3a81d245b0ca34ece6f0d1c3e8719b817e2d9db199bf97ac7767d5f3dec1f19"
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-nm"]
---

# New Mexico HB 228 (2023) — IMPROVEMENT SPECIAL ASSESSMENT ACT

## Version chain

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

1. **CE substitute** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/bills/house/HB0228CES.HTML)
2. **Final Version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/final/HB0228.PDF)
3. **introduced version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/bills/house/HB0228.HTML)

## Sponsors

- Ortez, Kristina — primary (person)
- Serrato, Linda — primary (person)
- Small, Nathan P. — primary (person)

## Timeline

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

- **2023-01-30** Sent to House Commerce & Economic Development Committee & House Government, Elections and Indian Affairs Committee `introduction, referral-committee`
- **2023-02-28** passed House `passage`
- **2023-03-01** Sent to Senate Tax, Business and Transportation Committee & Senate Judiciary Committee `introduction, referral-committee`
- **2023-02-14** DO NOT PASS, replaced with committee substitute `committee-passage`
- **2023-02-24** DO PASS committee report adopted `committee-passage-favorable`
- **2023-03-17** passed Senate `passage`
- **2023-03-16** DO PASS committee report adopted `committee-passage-favorable`
- **2023-03-12** DO PASS committee report adopted `committee-passage-favorable`
- **2023-04-05** Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d388fe28-3f9a-4f66-8b58-3d5f2370b8a4`. Confidence: reported (aggregated from official New Mexico legislature records).