Mark Obenshain

Mark Obenshain has served in the State Senate since 2004.
Republican

Currently represents State Senate District 2

Voting Unity: Republican Caucus

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Issue Filter:

How often does Mark Obenshain vote with the party when at least two-thirds of other Republicans take the same position?

With Caucus

88%

Other

12%

SB248

Restaurants; food allergy awareness notice required.

02/02/2026 - Senate: Engrossed by Senate (Voice Vote)
02/03/2026 - Senate: Read third time and passed Senate (24-Y 15-N 0-A)

Mark Obenshain:
No

Bill Details

SB311

Constitutional amdmnt. marriage between two adult persons, repeal of same-sex marriage prohibition.

01/30/2026 - Senate: Engrossed by Senate - committee substitute
02/02/2026 - Senate: Read third time and passed Senate (25-Y 15-N 0-A)

Mark Obenshain:
No

Bill Details

SB341

Private elementary and secondary schools; policies relating to bullying and cyberbullying, etc.

02/02/2026 - Senate: Engrossed by Senate (Voice Vote)
02/03/2026 - Senate: Read third time and passed Senate (34-Y 5-N 0-A)

Mark Obenshain:
Yes

Bill Details

SB347

Local regulation of solar facilities; special exceptions.

01/29/2026 - Senate: Engrossed by Senate as amended
01/30/2026 - Senate: Read third time and passed Senate (21-Y 17-N 0-A)

Mark Obenshain:
No

Bill Details

SB400

Admissions tax in counties; retail sales and use tax dedicated to promotion of tourism.

01/29/2026 - Senate: Engrossed by Senate (Voice Vote)
01/30/2026 - Senate: Read third time and passed Senate (25-Y 12-N 0-A)

Mark Obenshain:
No

Bill Details

SB427

High school graduation requirements; history and social studies credits.

02/02/2026 - Senate: Engrossed by Senate as amended (Voice Vote)
02/03/2026 - Senate: Read third time and passed Senate (23-Y 16-N 0-A)

Mark Obenshain:
No

Bill Details

SB437

Truck-mounted attenuators; vehicles equipped with white warning lights.

01/28/2026 - Senate: Constitutional reading dispensed (on 3rd reading) (40-Y 0-N 0-A)
01/28/2026 - Senate: Read third time and passed Senate (38-Y 2-N 0-A)

Mark Obenshain:
Yes

Bill Details

SB443

Siting of battery energy storage projects; commercial solar photovoltaic generation facilities.

01/28/2026 - Senate: Engrossed by Senate (Voice Vote)
01/29/2026 - Senate: Read third time and passed Senate (26-Y 13-N 0-A)

Mark Obenshain:
No

Bill Details

SB581

Fairfax, City of; amending charter, elections, compensation for members of boards or commissions.

01/28/2026 - Senate: Engrossed by Senate (Voice Vote)
01/29/2026 - Senate: Read third time and defeated by Senate (24-Y 16-N 0-A)

Mark Obenshain:
No

Bill Details

SB589

Trees; conservation during land development process in Planning District 8 (Northern Virginia), etc.

01/28/2026 - Senate: Engrossed by Senate (Voice Vote)
01/29/2026 - Senate: Read third time and passed Senate (24-Y 16-N 0-A)

Mark Obenshain:
No

Bill Details

VPAP's unity score should not be interpreted as a partisan litmus test. For instance, Republicans who more often split from caucus does not necessarily mean they are less conservative than peers. It could mean they are more conservative. A nuanced reading of bills involved is needed to reach any conclusions.