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Applicant proposes three‑lot subdivision at 20 Central Ave; TAC postpones after drainage and neighborhood concerns

Portsmouth Technical Advisory Committee (Portsmouth Boards & Commissions) · August 5, 2026
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Summary

The Portsmouth TAC heard a proposal to subdivide 20 Central Ave into three single‑family lots and agreed to postpone action to the next TAC meeting after discussion about drainage, high groundwater, fence setbacks and multiple neighbor objections.

Drew Olajowski, of Hailey Ward, presented the application on behalf of owner Marissa Valverde for a preliminary and final subdivision and site‑plan review at 20 Central Ave. He told the Technical Advisory Committee the team revised plantings and "we would be willing to provide a 6 foot vinyl fence along the northern and easterly property lines" to address screening concerns.

The discussion focused on drainage and foundation design after staff and test‑pit logs showed a high seasonal water table on the site. Olajowski said the owner agreed to replace proposed full basements with crawl spaces to reduce groundwater risk. A committee member said the change was necessary, adding the panel did not want "basements that are 7 feet below the water table." The applicants also acknowledged outstanding easement documentation and other plan edits.

Neighbors who live adjacent to the property urged the committee to preserve existing structures and raised traffic, access and privacy concerns. John Mayer, an abutter, said, "To me, that just feels like bad planning," citing narrow lanes, past vehicle strikes and worries about construction impacts on Coffins Court. Other speakers asked for landscaping plans and assurances about street damage and restoration.

After public comment and follow‑up questions, a TAC member moved to postpone the item to next month’s TAC so the applicant can address the drainage, easement and landscaping issues and provide the requested clarifications. The motion was seconded and approved by voice vote. The TAC indicated the committee would forward recommendations and any remaining technical conditions to the Planning Board when the item returns.