Johnny Mautz
Maryland State Senator, District 37 since 2022. Ran in 4 elections between 2014 and 2022, winning 4. Re-elected in 2026. Next on the ballot in 2030.
Maryland State Senator, District 37Born 1970
- In office
- 3 yrs
- Since 2022
- Bills became law
- 41
- 93 sponsored, 2025–2026 session
- Votes missed
- 1.0%
- Chamber median 3.2%
- With party
- 97%
- On votes splitting the parties
- Last margin
- +12.1
- Won 2026
- Next election
- 2030
- Nov 5, 2030
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Protocol · co-chair
- Committee on Administrative, Executive and Legislative Review
- Finance
- Maryland Health Insurance Coverage Protection Commission
- Unemployment Insurance Oversight
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Exemptions · Became law May 2026
Accidents · Became law May 2026
Housing · Became law May 2026
Art, Music, and Cultural Affairs · Became law May 2026
Administrative Agencies · Became law May 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Mautz sits in the Maryland State Senate
Mautz is closer to the center than 0% of the chamber's Republicans.
Closest: Justin Ready, Paul Corderman, Jason Gallion
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:52 PM ET
With Mautz’s party
- Votes with the chamber's Republicans97%
Black tick: the average of Republicans in the Maryland State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Mautz’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Mautz | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Mar 27, 2026 | HB 711: Data Privacy - Consumer Data, Public Records, and Message Switching System (Data Privacy… | Not voting | No | Yes | Passed 28–8 |
| Mar 27, 2026 | SB 594: Cannabis - Advertising - Alterations | No | No | Yes | Passed 38–8 |
| Mar 27, 2026 | SB 12: Residential Rental Apartments - Air-Conditioning Requirement | No | No | Yes | Passed 35–11 |
| Mar 27, 2026 | HB 141: State Personnel - Collective Bargaining - Graduate Assistants | No | No | Yes | Passed 32–11 |
| Mar 27, 2026 | HB 1249: Certified Recovery Residences - Refusing Services to Individuals Receiving… | No | No | Yes | Passed 36–10 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Mautz was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | Maryland State Senate, District 37 | Won | R+12.1 | R+9.1 | +3.0 |
| 2022 | Maryland State Senate, District 37 | Won | R+21.7 | R+3.6 | +18.1 |
| 2018 | Maryland House of Delegates, HD-37B | Won | R+9.6 | — | — |
| 2014 | Maryland House of Delegates, HD-37B | Won | R+9.5 | — | — |
| 2014 | Maryland House of Delegates, HD-37B (primary) | Won | +11.3 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $341.6K
- Spent
- $378.7K
Source: Maryland State Board of Elections filings through Oct 16, 2026Updated Nov 1, 2026, 12:44 AM ET
Campaign committees
Open committees can still raise and spend money.
| Mautz, (John) Johnny Friends of State | Active |
Source: Maryland State Board of Elections filings through Oct 16, 2026Updated Nov 1, 2026, 12:44 AM ET
Seats Mautz has held
- Maryland State Senate, District 37 · since 2022
- Maryland House of Delegates, District 37B · 2014–2022
Source: 99chambers results archive
Who Mautz has run against
- Katie Clendaniel (D) · 2026 election, won
- Naomi Hyman (D) · 2022 election, won
- Chris Adams (R) · 2018 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Mautz
One person, matched across every source we use.
- Open States ocd-person/84e203b4-277c-4e10-aeb3-a80158bdf525
- Wikidata Q58836806
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET