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Portrait of Peter Kostmayer, Former U.S. Representative for Pennsylvania District 8

Historical · U.S. House · Pennsylvania · District 8

Peter Kostmayer

Former U.S. Representative · Pennsylvania District 8 · 1977–1993 · Democratic

Peter Kostmayer represented Pennsylvania's District 8 in the United States House of Representatives (1977–1993) for the Democratic party. The page below collects sourced biographical facts, term history, committee roles, and provenance for Kostmayer.

Bioguide ID: K000319

Key facts

Full name
Peter Kostmayer
State
Pennsylvania
District
District 8
Party
Democratic
House service
1977–1993
First House term
1977
Status
Left office
Current term ends
Born
1946
Bioguide ID
K000319
Committee assignments
Dataset version
1.20260605

Biographical narrative

889 words · sourced from the Wikipedia REST extract

Peter H. Kostmayer is a former U.S. Representative who served seven terms in the House of Representatives, representing Pennsylvania's 8th congressional district as a member of the Democratic Party. His congressional career spanned from 1977 until 1993, during which he engaged in various legislative efforts and held significant positions within the government. Kostmayer's political journey began in the mid-1970s, and he has since been involved in various roles, including positions in environmental advocacy and public service.

Early life and career

Peter H. Kostmayer was born on September 27, 1946, in New York City. He completed his early education at West Nottingham Academy in Colora, Maryland, graduating in 1965. Following high school, Kostmayer pursued higher education at Columbia University in New York City, where he earned a Bachelor of Arts degree in 1971. His early career included work as a reporter from 1971 to 1972, which provided him with valuable experience in communication and public affairs.

Kostmayer transitioned into public service shortly after his reporting career. He served as press secretary to Pennsylvania Attorney General J. Shane Cramer from 1972 to 1973, where he managed communications and public relations for the office. Following this role, he became the deputy press secretary to Governor Milton Shapp from 1973 to 1976. These positions allowed Kostmayer to build a foundation in political communication and gain insights into the workings of state government, which would later inform his legislative priorities as a Congressman.

House tenure

Kostmayer's entry into Congress was marked by the retirement of U.S. Representative Edward Biester in 1976, which opened the seat in Pennsylvania's 8th congressional district. Kostmayer ran for this position against State Representative John S. Renninger. His campaign coincided with the presidential election in which Jimmy Carter won Pennsylvania, contributing to Kostmayer's narrow victory by a margin of 1,312 votes.

During his first term, Kostmayer faced re-election in 1978 against G. Roger Bowers, securing his position with a significant majority, receiving 61% of the vote. However, the political landscape shifted in 1980, and he lost his seat to Republican candidate James Coyne, who benefited from Ronald Reagan's sweeping victory in that election cycle.

Kostmayer made a political comeback in 1982, winning back his congressional seat in a rematch against Coyne by a margin of 2,300 votes. His subsequent re-elections in 1984 and 1986 demonstrated his continued support within the district, as he won against David Christian both times, with the latter election yielding a much larger margin of victory. In 1988, he faced Pennsylvania Republican State Senator Edward Howard and again emerged victorious. Kostmayer's final re-election campaign occurred in 1990, where he defeated Bucks County Clerk of Courts Audrey Zettick.

The culmination of Kostmayer's congressional career came in 1992 when he ran against State Senator James C. Greenwood, who had previously worked as a legislative aide to Kostmayer's first opponent, John Renninger. In this election, Kostmayer was defeated, receiving nearly 48% of the vote to Greenwood's 52%, marking the end of his seven-term tenure in the House of Representatives.

Legislative focus and committees

Throughout his time in Congress, Kostmayer was involved in various legislative initiatives and served on several committees that aligned with his interests and the needs of his constituents. His background in environmental issues and public service influenced his legislative focus, particularly in areas related to environmental protection and community development.

Kostmayer's work in Congress included efforts to address environmental concerns, reflecting his commitment to sustainability and public health. His experience as the Administrator for Region III of the Environmental Protection Agency from 1994 to 1995 further solidified his expertise in environmental policy. Following his congressional career, he continued to advocate for environmental issues as the President of Zero Population Growth, an organization focused on addressing the challenges of population growth and its impact on the environment.

In addition to his environmental advocacy, Kostmayer's legislative priorities often included social issues, economic development, and community services. His engagement with local constituents and understanding of their needs played a significant role in shaping his legislative agenda. Kostmayer's ability to navigate complex political landscapes and build coalitions was evident during his time in office, as he worked to advance policies that benefited his district and aligned with the Democratic Party's broader goals.

After leaving Congress, Kostmayer remained active in public service and political advocacy. He ran for the Pennsylvania State Senate in 2002 against incumbent Senator Tommy Tomlinson but was not successful, receiving 47% of the vote in the general election. In addition to his political endeavors, he held the position of CEO of the Citizens Committee for New York City, further contributing to civic engagement and community development initiatives.

Kostmayer's personal life includes his marriage to Pamela Jones Rosenberg in 1982, which ended in divorce in 1991. In 2004, he began a relationship with Douglas Hirn, a tax attorney, and they married in 2021. The couple has since moved from Manhattan to Brooklyn and then to a condo in the Two Bridges neighborhood on the East Side of Manhattan.

Peter H. Kostmayer's career reflects a commitment to public service, environmental advocacy, and community engagement, marking him as a notable figure in Pennsylvania's political landscape during his time in the U.S. House of Representatives. His legislative contributions and continued involvement in civic matters demonstrate his dedication to addressing the needs of his constituents and the broader community.

Notable legislation

Sponsored and co-sponsored legislation for Peter Kostmayer is pending operator curation. The biographical narrative above carries the same provenance trail until per-bill rows are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Peter_H._KostmayerWikipedia · retrieved 2026-06-05

Notable quotes

Sourced quotes for Peter Kostmayer are pending operator curation. Narrative-scope provenance remains attached below.

Sources

  1. [1]https://en.wikipedia.org/wiki/Peter_H._KostmayerWikipedia · retrieved 2026-06-05

Key positions

Curated policy positions for Peter Kostmayer are pending operator review. The biographical narrative above carries the same provenance trail until per-topic positions are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Peter_H._KostmayerWikipedia · retrieved 2026-06-05

Terms served

  1. 19771979U.S. House · Term 1 · Democratic
  2. 19791981U.S. House · Term 2 · Democratic
  3. 19831985U.S. House · Term 3 · Democratic
  4. 19851987U.S. House · Term 4 · Democratic
  5. 19871989U.S. House · Term 5 · Democratic
  6. 19891991U.S. House · Term 6 · Democratic
  7. 19911993U.S. House · Term 7 · Democratic

Sources & provenance

Every attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the source was retrieved by the ingest pipeline.

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