H.R. 3874 (119th)Bill Overview

Rim of the Valley Corridor Preservation Act

Public Lands and Natural Resources|CaliforniaGeography and mapping
Cosponsors
Support
Democratic
Introduced
Jun 10, 2025
Discussions
Bill Text
Current stageCommittee

Referred to the House Committee on Natural Resources.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill amends the boundary of the Santa Monica Mountains National Recreation Area to add the Rim of the Valley Unit by reference to a new map dated April 14, 2023. It directs that any land or interest in land the Interior Department acquires within the Rim of the Valley Unit be administered as part of the National Recreation Area under existing applicable laws and regulations.

Why people may split

Left emphasizes conservation, habitat connectivity, and public access; right emphasizes property rights, federal expansion, and costs.

Watch point

Relative to its intended legislative type, this bill clearly accomplishes a statutory boundary amendment by specifying map-based boundaries, availability of maps, administrative integration, and limited protections for utilities and water facilities.

This bill amends the boundary of the Santa Monica Mountains National Recreation Area to add the Rim of the Valley Unit by reference to a new map dated April 14, 2023.

It directs that any land or interest in land the Interior Department acquires within the Rim of the Valley Unit be administered as part of the National Recreation Area under existing applicable laws and regulations.

The bill requires the maps to be available for public inspection and allows the Secretary to make minor boundary revisions after advising Congressional committees.

Passage45/100

On content alone, the bill is a narrow, administratively straightforward boundary adjustment with compromises (utility protections) that lower friction; such bills frequently move through committees and sometimes are enacted, particularly when local stakeholders and the relevant congressional delegation support them. However, uncertainty about acquisition funding, potential local opposition, and the need to clear the Senate or be attached to a larger bill reduce its standalone odds.

CredibilityPartially aligned

Relative to its intended legislative type, this bill clearly accomplishes a statutory boundary amendment by specifying map-based boundaries, availability of maps, administrative integration, and limited protections for utilities and water facilities. The statutory amendment is specific and integrates with the existing enabling statute.

Contention65/100

Left emphasizes conservation, habitat connectivity, and public access; right emphasizes property rights, federal expansion, and costs.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agencies · Local governmentsLocal governments · Federal agencies

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesStrengthens federal conservation and resource protection by bringing the Rim of the Valley Corridor under NPS managemen…
  • Local governmentsMay expand outdoor recreation and tourism opportunities (trails, interpretation, visitor services), which can increase…
  • Federal agenciesProvides a single federal management framework that can improve coordination across parcels, reduce fragmented developm…
Likely burdened
  • Local governmentsExpanding a federal unit increases federal authority over land use in the area and may be viewed as reducing local and…
  • Local governmentsIf the federal government acquires private lands or interests, local governments could lose property tax revenue and lo…
  • Federal agenciesAdministration and acquisition will likely require federal spending (land purchases, operations, law enforcement, maint…
03 · Why people split

Why the argument around this bill splits.

Left emphasizes conservation, habitat connectivity, and public access; right emphasizes property rights, federal expansion, and costs.
Progressive85%

A mainstream liberal/left-leaning observer would likely view this bill positively as a conservation and public-land expansion measure that could protect habitat, increase recreation access, and strengthen regional green space connectivity.

They would note the formalization of the Rim of the Valley Unit into the National Recreation Area as a tool for ecosystem protection and climate resilience in an urban-adjacent region.

They may also expect the designation to facilitate federal funding and management resources for restoration and public access.

Leans supportive
Centrist60%

A centrist/moderate observer would likely treat the bill as a targeted boundary adjustment for conservation that has plausible public benefits but raises practical questions about costs, timelines, and impacts on local stakeholders.

They would appreciate the utility clause protecting existing operations but want clarity on how lands will be acquired and paid for, what administrative costs will be incurred, and how local governments will be engaged.

They would be open to the idea if the bill includes clear implementation plans, predictable funding, and cooperative agreements with local entities.

Split reaction
Conservative20%

A mainstream conservative observer would likely view the bill with skepticism as an expansion of federal land management and authority in the region, raising concerns about property rights, federal overreach, and new regulatory burdens.

They would be cautious about potential costs to taxpayers and about how the federal government might acquire private interests in land.

The clause preserving utility operations mitigates one procedural concern, but conservatives would want strong guarantees that local control, development rights, and private property will not be curtailed.

Likely resistant
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood45/100

On content alone, the bill is a narrow, administratively straightforward boundary adjustment with compromises (utility protections) that lower friction; such bills frequently move through committees and sometimes are enacted, particularly when local stakeholders and the relevant congressional delegation support them. However, uncertainty about acquisition funding, potential local opposition, and the need to clear the Senate or be attached to a larger bill reduce its standalone odds.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • How land acquisition will be handled—whether the bill envisions purchases from willing sellers, transfers, or other mechanisms—and whether any acquisition funding is or will be provided in separate legislation or appropriations.
  • Level of support or organized opposition from local governments, landowners, utilities, water districts, and other stakeholders in the affected area; substantial local opposition could slow or block action.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Left emphasizes conservation, habitat connectivity, and public access; right emphasizes property rights, federal expansion, and costs.

On content alone, the bill is a narrow, administratively straightforward boundary adjustment with compromises (utility protections) that lo…

Unlocked analysis

Relative to its intended legislative type, this bill clearly accomplishes a statutory boundary amendment by specifying map-based boundaries, availability of maps, administrative integration, and limited protections for…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis