Castellan AI is a provider of property tax appeal services using data analysis to reduce residential and commercial tax bills.
Castellan AI has raised $415K in total funding. The most recent round was Seed. The last funding was announced in August 2026.
Castellan AI is headquartered in San Francisco, United States.
Castellan AI is a provider of property tax appeal services using data analysis to reduce residential and commercial tax bills.
Castellan AI is at the Seed stage.
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"Castellan AI — Funding & Investors." VCBacked, August 10, 2026, https://www.vcbacked.co/company/castellan-ai. Accessed September 14, 2026.
VCBacked. (2026). Castellan AI — Funding & Investors. Retrieved September 14, 2026, from https://www.vcbacked.co/company/castellan-ai
{{cite web |title=Castellan AI — Funding & Investors |url=https://www.vcbacked.co/company/castellan-ai |website=VCBacked |access-date=September 14, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated