
Building Ventures is a Boston-based early-stage venture capital firm investing in entrepreneurs reshaping the way we design, build, operate, and experience the built environment, including construction tech, proptech, and climate tech.
Average disclosed round size is $20.1M (across 44 rounds with reported amounts).
Portfolio
31
Fund Size
$95M
Top Stage
Series A
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
47 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Unknown | $33M | Sep 2026 | |
| Series A | $20M | Jul 2025 | |
| Seed | $3.5M | Jan 2025 | |
| Series A | $20M | Jan 2025 | |
| Series A | $6.5M | Jan 2025 | |
| Seed | — | Apr 2024 | |
| Series B | $16M | Jan 2024 | |
| Seed | $2.4M | Jan 2024 | |
| AAeroseal Llc | Series B | $67M | Jul 2023 |
| Series A | $5.5M | Jun 2023 | |
| Series D | $93M | May 2023 | |
| Series A | $3.5M | May 2023 | |
| Series A | $21M | Dec 2022 | |
| Series B | $70M | Nov 2022 | |
| Seed | $3.4M | Nov 2022 | |
| NNeem | Seed | $2.5M | Sep 2022 |
| Series A | $7M | Jun 2022 | |
| Series C | $64M | Apr 2022 | |
| Seed | $8.5M | Jan 2022 | |
| Seed | $11.5M | Jan 2022 | |
| Seed | $3.5M | Jan 2022 | |
| Series B | $44M | Nov 2021 | |
| MMosaic Building Group | Series B | $44M | Nov 2021 |
| Series B | $30M | Feb 2021 | |
| CCanoa Supply | Seed | $8.7M | Jan 2021 |
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Top Co-Investors
Breakthrough Energy Ventures8 shared
Founders Fund7 shared
N476 shared
GS Futures6 shared
Innovation Endeavors5 shared
Realty Corporation5 shared
Cloud Apps Capital Partners5 shared
Tiger Global Management, LLC4 shared
Lemnos4 shared
Presidio Ventures4 shared
Energy Impact Partners4 shared
MetaProp4 shared
Jackson Square Ventures4 shared
New Enterprise Associates3 shared
Hometeam Ventures3 shared
Threshold Ventures3 shared
Heartland Ventures3 shared
RJT Credit3 shared
Collaborative Fund2 shared
GV2 shared
Last updated: 20 October 2026