Photo of Oscar De Los Santos
D Arizona House · District 11 On the 2026 ballot

Rep. Oscar De Los Santos

Compare
Total votes
2,940
all sessions
Attendance
87%
377 missed
Lower than 97% of chamber peers
With party
97%
of cast votes
Higher than 96% of chamber peers
Bipartisan score
4%
crosses aisle rarely
Lower than 99% of chamber peers
Sponsored
459
bills & resolutions
Near the chamber average
Committees
3
assignments
459 bills and resolutions

Sponsored bills

Total
459
Primary
56
Co-sponsor
403
This page
459
matching current filters
Co-sponsor HB 2252
Introduced · Arizona House · Co-sponsor
vehicle emission standards; waiver; rules

Maddy summaryArizona's HB 2252 amends Arizona Revised Statutes § 49-447 to require the state director to adopt vehicle emission rules for model year 2028 and newer vehicles that match California Air Resources Board standards, but only for standards the U.S. Environmental Protection Agency has granted California a waiver to use. This directly affects automakers selling new vehicles in Arizona and state agencies implementing emission rules. The bill mandates that the director notify state leadership (governor, legislative leaders, and secretary of state) about adopted rules and their alignment with California’s EPA-approved standards. It repeals an existing statute (§ 28-145) and ensures Arizona’s rules comply with federal Clean Air Act provisions.

Introduced Jan 22, 2025 1 co-sponsor
Co-sponsor HB 2336
Introduced · Arizona House · Co-sponsor
Native American veteran special plates

Maddy summaryHB 2336 creates a new "Native American Veteran special plate" option for Arizona vehicle owners. To implement this, a person must pay $32,000 to the state department by December 31, 2025, after which the department will issue the plates. The payer designs the plates (subject to department approval) and may combine the request with personalized plates. A $25 annual fee applies, with $17 of that amount donated to a dedicated "Native American Veteran special plate fund" established by the bill. This directly affects qualifying Native American veterans seeking this specific plate option.

Introduced Jan 22, 2025 1 co-sponsor
Co-sponsor HB 2244
Introduced · Arizona House · Co-sponsor
light rail extension; public monies

Maddy summaryHB 2244 repeals Section 28-9204 of the Arizona Revised Statutes, which previously governed public funding for light rail projects. This is a procedural bill with no new funding or policy changes - it only removes an existing statutory reference. The bill does not affect any current light rail projects or allocate public monies. It is a technical repeal, not a substantive legislative action on transportation funding. The bill is currently in early committee stages (House First and Second Readings).

Introduced Jan 22, 2025 1 co-sponsor
Co-sponsor HB 2357
Introduced · Arizona House · Co-sponsor
landlord tenant; notice; assistance information

Maddy summaryHB 2357 requires landlords in Arizona to provide tenants with specific written information at the start of a tenancy, including the name and address of property managers, owners authorized to receive legal notices, and the website for Arizona's residential landlord-tenant laws. It also mandates that landlords include the website address for tenant assistance resources (like azcourthelp.org) or local eviction prevention services in all written notices related to lease violations or eviction proceedings. This bill directly affects landlords (who must provide these disclosures) and tenants (who gain clearer access to legal resources and support). The key change is adding mandatory inclusion of tenant assistance information in eviction-related notices, without altering core eviction procedures or tenant obligations.

Introduced Jan 22, 2025 1 co-sponsor
Co-sponsor HB 2359
Introduced · Arizona House · Co-sponsor
conversion therapy; funding; prohibitions; minors

Maddy summaryHB 2359 prohibits healthcare professionals from providing conversion therapy to minors under 18, defining conversion therapy as any practice seeking to change a minor's sexual orientation or gender identity. The bill exempts clergy acting in a pastoral role and parents who are healthcare professionals acting as parents, not professionals. It also bans state and federal funds from being used for conversion therapy for minors, including through grants, contracts, or health benefits coverage. The law directly affects licensed therapists, state agencies, and entities receiving public funds by restricting both clinical services and financial support for this practice.

Introduced Jan 22, 2025 1 co-sponsor
Co-sponsor HCR 2001
Introduced · Arizona House · Co-sponsor
death penalty; prohibition

Maddy summaryHCR 2001 proposes a constitutional amendment to prohibit the death penalty in Arizona. If approved by voters, it would add a new section to the Arizona Constitution stating "No person shall be sentenced to death in this state," effectively banning capital punishment for all future cases. The bill also repeals existing constitutional language allowing death sentences (Article XXII, Section 22) and adjusts related provisions about bail and jury trials to maintain constitutional consistency. This amendment would directly affect anyone facing a capital murder charge in Arizona, removing the death penalty as a sentencing option. The proposal requires voter approval at the next general election to take effect.

Introduced Jan 21, 2025 1 co-sponsor
Co-sponsor SB 1018
Introduced · Arizona Senate · Co-sponsor
school districts; aggregate expenditure limitation

Maddy summarySB 1018 amends state law to update how the Arizona State Board of Equalization calculates spending limits for school districts and other political subdivisions. The bill requires the commission to determine these limits annually based on population growth and changes in the GDP price deflator, which measures inflation. It also provides specific formulas for setting limits in new cities, towns, or counties that are created or divided. By adjusting these calculations, the legislation ensures that spending caps reflect current economic conditions and demographic shifts rather than fixed historical figures.

Introduced Jun 14, 2024 1 co-sponsor
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