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AB 478 Nevada Assembly · 2025 Regular Session

Revises provisions governing construction times in counties and cities. (BDR 20-1091)

AB 478 revises Nevada law to require that residential construction work in common-interest communities (like planned neighborhoods) must start no earlier than 5 a.m. between April 1 and September 30 in Clark County and its cities (Las Vegas, Henderson, etc.). The bill eliminates a previous exception that allowed developer-controlled communities to have different rules, now applying the 5 a.m. start time uniformly to all common-interest communities during this summer period. It affects construction companies, developers, and homeowners in these specific areas by standardizing early work hours. The law does not change existing rules outside the April-September timeframe or for communities without adopted ordinances.
Bill status signed all 5 stages cleared
Introduction
Mar 2025
Committee Review
May 2025
Assembly Passage
May 2025
Senate Passage
May 2025
Signed into Law
Jun 2025
Introduced Mar 19, 2025 Signed Jun 5, 2025
Maddy AI version diff · 4 comparisons

What changed between versions

Reprint 3 → As Enrolled · 3 edits · Jun 5, 2025
MINOR
This bill removes a population threshold that previously limited its construction hour restrictions to only the largest county (Clark County) and its major cities. Now, the rules apply to all counties and cities in the state, regardless of size. The core requirement remains that construction work more than 300 feet from a home must start by 5 a.m. between April 1 and September 30.
Scope change
The bill's applicability was expanded from only counties with a population of 700,000 or more to include all counties and cities statewide.
SCOPE

Removed the 700,000 population requirement, making the construction hour restrictions applicable to all counties and cities in Nevada.

ELIGIBILITY

Extended the authority for county and city governing bodies to set construction start times to all jurisdictions, not just large urban areas.

ENFORCEMENT

Clarified that any existing local ordinances or community rules that are more restrictive than the new state standards are now void and unenforceable.

Floor votes · Senate May 22, 2025 · Assembly Apr 22, 2025

How they voted

20–0
Passed
Total votes 20
May 22, 2025
D Democratic12
12 Yea
100% Yea
R Republican8
8 Yea
100% Yea
Vote distribution
All Yea All Nay Mixed No data
Full legislative history

Actions timeline

Total actions
17
Key actions
7
Committee
3
Jun 5, 2025
Signed into law
Approved by the Governor.
executive
May 27, 2025
Lower · Passed
Senate Amendment No. 605 and 736 concurred in. To enrollment.
lower
May 22, 2025
Upper · Passed
Read third time. Amended. (Amend. No. 736.) Reprinting dispensed with. Read third time. Passed, as amended. Title approved, as amended. (Yeas: 21, Nays: None.) To printer.
upper
May 19, 2025
Upper · Passed
From committee: Amend, and do pass as amended. Placed on Second Reading File. Read second time. Amended. (Amend. No. 605.) To printer.
upper
Apr 22, 2025
Lower · Passed
Read third time. Passed, as amended. Title approved, as amended. (Yeas: 42, Nays: None.) To printer.
lower
Apr 21, 2025
Lower · Passed
From committee: Amend, and do pass as amended. Placed on Second Reading File. Read second time. Amended. (Amend. No. 283.) Dispensed with reprinting.
lower
Mar 20, 2025
Lower · Passed
From printer. To committee.
lower
0 primary · 0 co-sponsors

Sponsors

No sponsor information available.