# Carbon Lighthouse funding: rounds and investors

> Carbon Lighthouse has raised across 1 round since 2021. Investors include Unpopular Ventures, Ulu Ventures and Elemental Impact. Every round with its source.

Source: https://millionrounds.com/company/carbon-lighthouse (Millionrounds; every figure on the page links to its filing or article)

[Venture startup](https://millionrounds.com/companies)

# Who invested in *Carbon Lighthouse*

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Real Estate

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2021, from 1 source

- **Latest round:** Venture Oct 2021
- **Investors:** 3

See who backed them

## The rounds

- **Oct 2021** Venture **Amount undisclosed** [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) [Ulu Ventures](https://millionrounds.com/fund/ulu-ventures) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) Source recorded

## Founders and team

From Carbon Lighthouse's own website: 2 founders, 6 on the team.

**Brenden Millstein** President, Co-Founder

**Raphael Rosen** CEO, Co-Founder

- **Jon Miller** Head of Product
- **Kyle Ibrahim** VP of Software
- **Will Vaughn** VP of Software
- **Andres Torres** Director, Customer Success and Engineering
- **Garrett Peterson** Director, Customer Success and Engineering
- **Gesha Uminskiy** Director, Systems Integration Engineering

## Everyone who backed them

[Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) VC firm **1** round

[Ulu Ventures](https://millionrounds.com/fund/ulu-ventures) VC firm **1** round

[Elemental Impact](https://millionrounds.com/fund/elemental-impact) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=carbon-lighthouse).

## Also claim to have backed them

This firm lists Carbon Lighthouse as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[For Good Ventures](https://millionrounds.com/fund/for-good-ventures) VC firm Per its own site

## Quick answers about Carbon Lighthouse

### Who invested in Carbon Lighthouse?

Carbon Lighthouse's investors include Unpopular Ventures, Ulu Ventures and Elemental Impact.

### How much has Carbon Lighthouse raised?

Carbon Lighthouse has raised 1 round since 2021, none with a disclosed amount.

### When did Carbon Lighthouse last raise?

Carbon Lighthouse's most recent round was a Venture in Oct 2021.

### Who backed Carbon Lighthouse first?

Carbon Lighthouse's first round on record, in Oct 2021, was backed by Unpopular Ventures, Ulu Ventures and Elemental Impact.

### What stage is Carbon Lighthouse at?

Carbon Lighthouse's latest named round is a Venture, in Oct 2021.

## Companies like Carbon Lighthouse

In the same sector, and raised in the last eighteen months.

[**Valigent** Aug 2026](https://millionrounds.com/company/valigent)[**Grotto AI** $10M · Mar 2026](https://millionrounds.com/company/grotto-ai)[**Hala Mobility** $1.3M · Jan 2026](https://millionrounds.com/company/hala-mobility)[**TULU** $17M · Nov 2025](https://millionrounds.com/company/tulu)[**Mnzil** $12M · Nov 2025](https://millionrounds.com/company/mnzil)[**HouseEazy** $17M · Oct 2025](https://millionrounds.com/company/houseeazy)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app