Water Main & Underground Utility Work Cost Guide — Hartford, CT

Verified 2025 pricing for water main & underground utility work services in Hartford. Updated quarterly from local contractor data.

Service Cost Ranges

Service	Low	Average	High	Unit
Water Main Line Replacement	$3,450	$8,050	$17,250	per project
Water Service Line Installation	$2,300	$5,750	$13,800	per project

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Older housing stock (pre-1942) increases complexity and materials cost

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