8 VC firms investing in real estate & proptech and agetech & longevity at the Seed stage.
F4 Fund tracks 8 VC firms that actively invest in real estate & proptech + agetech & longevity at the Seed stage, with check sizes ranging from $100K – $10M (median: $2.1M – $2.1M). As of August 2026, and 63% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,831+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Third Sphere We fundamentally reshape broken global systems by supporting founders who turn theory into action to build better world. Hardware-enabled solutions (80% portfolio) with software components solve transformative climate challenges in energy, infrastructure, transportation, water, and adaptation. We run toward hardware because less competition and less noise. Climate is about more than carbon—it's adaptation, resilience, and systems change. San Francisco | $250K – $3M | 24 | Leads | Active | ~2 mo | Open |
| 2 | ▶ Springbank Collective We invest in mission-critical infrastructure serving women and working families. Many essential systems have been dismissed as too complex or too human to solve, but technology and AI advances make transformation possible. This is a $1 trillion opportunity and generational economic growth driver. New York | $250K – $2M | 36 | Leads | Active | ~2 wks | Open |
| 3 | ▶ Home Depot Ventures Identify, fund, and partner with early- and growth-stage companies that accelerate emerging technologies improving the customer experience and shaping the future of home improvement, for homeowners, professional contractors, and Home Depot associates. Atlanta | $1M – $10M | 8 | Follows | Active | N/A | N/A |
| 4 | ▶ Concrete Rose Capital Technology is the 'new West' — Westbound invests financial and social capital into visionary, values-aligned founders to build a virtuous cycle of wealth and opportunity, with an explicit mission to close the racial wealth gap. Palo Alto | $100K – $5M | 53 | Both | Active | ~2 mo | Open |
| 5 | ▶ AENU Rewriting the VC rulebook to deliver high returns with high impact. We invest in founders building climate and social impact technologies with intentional, measurable, net-positive outcomes at meaningful scale. | $1M – $4M | 14 | Leads | Active | N/A | N/A |
| 6 | ▶ Tip Top VC The future of AI is vertical. We back founders reinventing large, often overlooked industries end-to-end with AI-native, embedded software rather than generic horizontal tools. Austin | $100K – $500K | 16 | Follows | Active | N/A | Open |
| 7 | ▶ TheoryForge Operator-led fund investing in ambitious founders building transformative AI applications. We partner with technical founders who understand AI/ML deeply and are solving real customer problems with capital efficiency. Great product is always the best marketing. | $200K – $500K | 38 | Both | Active | ~2 wks | Req'd |
| 8 | ▶ Commit Capital Investing in exceptional founders and coding beside them. A team of early Palantir engineers who embed directly with portfolio engineering teams to help them ship faster, architect better, and recruit stronger. They look for deeply technical founders building software products who want hands-on engineering support, not just capital and advice. San Francisco | $250K – $4M | 3 | Follows | Active | ~1 wk | Open |
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Firms that frequently co-invest with investors on this page
F4 Fund tracks 8 VC firms that actively invest in real estate & proptech + agetech & longevity at the Seed stage. These firms are ranked using a composite score that weighs data completeness (30%), portfolio depth (30%), investment recency (25%), and stage alignment (15%).
Based on F4's analysis, the median check size for seed real estate & proptech + agetech & longevity investors is $2.1M – $2.1M, with a full range from $100K – $10M. The distribution breaks down as: 2 firms in the <$500K range, 2 firms in the $1M-$2M range, 3 firms in the $2M-$5M range, 1 firms in the $5M-$10M range.
Among the 8 firms tracked, 63% lead or co-lead rounds, and 38% typically follow. Founders seeking a lead investor should filter for firms marked "Leads" or "Both" in the rankings table above. Lead investors typically set deal terms and anchor the round.
The best seed real estate & proptech + agetech & longevity investors combine domain expertise with an active portfolio in the space. Among these firms, 17% prefer warm introductions, and the average firm has 24 portfolio companies. Look for firms whose check size matches your raise, whose stage preference aligns with yours, and who have a track record of supporting companies in your sector through multiple growth phases.
Firm profiles are continuously updated through F4's research pipeline, which combines LLM-powered web research, portfolio analysis, and transcript extraction. The ranking data refreshes every 12 hours. Editorial analysis is reviewed weekly. Individual firm profiles are re-researched on a 30-day cycle or when new information surfaces.