MountainsideNot a ballot

Voter guide · Nov 3, 2026

Mountainside Borough Council Election 2026

2 of 6 council seats are on the ballot, with 4 candidates running. Updated Oct 20, 2026. Every claim links to its source. How we check

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Nov 3Election Day

How to vote · 12 days left

Find where to voteCheck your registration
Early voting begins (Oct 24): the election office's notice

These links go to official state and county election sites. Hours and rules differ by state; your election office has the final word.

The candidates

Listed alphabetically by last name. Every position links to its source.

Voters choose two of four candidates for at-large Borough Council seats with three-year terms; the mayor is not on the 2026 ballot.

Early voting begins · Oct 24

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Also on your Nov 3 ballot

We research city races only. For these races, go to the state's official guide or a nonpartisan one.

Official voter lookupState voter guideVote411 (League of Women Voters)

Districts come from 2020 Census blocks and the district maps for this election. Your address decides your districts.

Already on the council, not on the ballot

Whoever you elect will govern alongside these members.

Officeholders' pages compare what they've said with how they've voted, with sources.

What the next council decides

01Community pool renovation3 sourced facts

Where it standsIn August 2026 the council adopted an $8.4 million bond ordinance to renovate the Mountainside Community Pool.

What's on the tableThe next council will oversee bids, borrowing, grant applications and fees for the pool project.

02Affordable housing obligation3 sourced facts

Where it standsMountainside committed to a fourth-round obligation of 137 new units in January 2025 and adopted zoning to carry out its housing plan in August 2026.

What's on the tableThe council will decide how the borough meets its 2025-2035 affordable housing obligation and where any new units go.

03Speeding and pedestrian safety2 sourced facts

Where it standsA resident submitted a petition about speeding to the council in October 2025.

What's on the tableThe council will decide whether to add staff, signs, crosswalks or sidewalks to address speeding.

04Budget and capital planning3 sourced facts

Where it standsThe 2026 municipal budget authorizes $11,258,113.49 for municipal purposes.

What's on the tableThe council will set future budgets and decide how to plan and pay for capital projects.

1 note on these statements

Incumbents Valerie Wass and Steven Matejek are seeking re-election; Stefania Colosimo and Robert Barletta are running for their first terms. TAPinto Mountainside · Sep 22, 2026

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Who matches you?

Answer any of these questions. We compare your answers with each person's sourced record, and nothing is stored. Questions where no one has a sourced record yet are left out. Tap a selected answer again to skip it.

  1. 1. How should the $8.4 million pool renovation go forward?

  2. 2. How should Mountainside respond to the state's affordable housing numbers?

  3. 3. Who should lead the borough's response to speeding complaints?

  4. 4. Should Mountainside add sidewalks?

  5. 5. How far ahead should the borough plan its capital spending?

Seat the councilSeat the Council →Pick a winner for each open seat and see where the resulting council stands on each issue.On the recordHow the council voted7 council decisions, each member's vote side by side, with a link to the minutes.

Key dates

The seat math

5 stay (not up this year): Alex Van Deusen, Rene Dierkes, Paul N. Mirabelli, Donna Pacifico, Donald Rinaldo Jr.2 on this ballot

6 council seats plus a mayor who doesn't vote on council items. The council decides by a 4-vote majority.

Every claim here links to its source and was checked against it before publishing. How this guide works

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