Sidewalk Infrastructure Partners

Other Commercial Services · New York, NY · Founded 2019 · Privately Held (backing)

Operator of an investment holding company intended to solve infrastructural problems and accelerate long-term economic growth. Sidewalk Infrastructure Partners is based in New York, NY and was founded in 2019. Its last reported valuation was $1.3 billion in Feb 2022. It has raised $1.2 billion across 5 recorded rounds; the latest was a $100 million later-stage round in Oct 2025.

Last reported valuation
$1.3B
Oct 2026
Priced at
—
Total raised
$1.2B
Last round
Later Stage VC
Oct 2025

Who backs Sidewalk Infrastructure Partners?

3 investors
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Sidewalk Infrastructure Partners investors

3 investors are on record for Sidewalk Infrastructure Partners, including Alphabet, StepStone Group and Teachers' Venture Growth. The later-stage round in Oct 2025 drew 1 investor.

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