Breaking
Founded 2018 by ex-Facebook & Microsoft engineers Seed round closed May 2019 (~$1.5M, FuturePlay) Integrated with Fannie Mae, Freddie Mac, Zillow & Realtor.com National network reported at 5,000+ certified data collectors Named a Top 20 PropTech Solution Company, 2020 Your smartphone + a Pano Kit = a professional 3D tour Founded 2018 by ex-Facebook & Microsoft engineers Seed round closed May 2019 (~$1.5M, FuturePlay) Integrated with Fannie Mae, Freddie Mac, Zillow & Realtor.com National network reported at 5,000+ certified data collectors Named a Top 20 PropTech Solution Company, 2020 Your smartphone + a Pano Kit = a professional 3D tour
Asteroom logo
Company Profile · PropTech · Fremont, CA

Asteroom

"Be there without being there." A 3D tour company built on a suspiciously simple idea.

The pitch, photographed: a phone on a small motorized tripod, spinning slowly in an empty living room. No $3,000 camera, no photographer, no truck roll - just the device already in your pocket, turning a house into something a buyer 800 miles away can walk through.

Founded
2018
Stage
Seed
Team
~63
HQ
Fremont
Category
PropTech
The Story

A camera company that never sold you a camera

Here is a fact about virtual real estate tours that used to be true and quietly stopped being true: they were expensive. Not the-listing-is-expensive expensive, but expensive in the specific, annoying way where the tool costs more than the thing it is selling attention for. A dedicated 3D capture camera ran into the thousands of dollars. A photographer to run it ran into a day. For a $400,000 house that might sell in a week, that math is fine. For a $1,600-a-month rental, or a rushed appraisal, or an agent doing volume, it is not.

Asteroom's entire business is a bet that the second group is bigger than the first, and that they were all staring at the answer the whole time. The answer is the phone. Every modern smartphone already contains a very good camera, a gyroscope, and enough compute to stitch panoramas. What it lacks is a way to hold still and spin, and a piece of software that knows what to do with the pictures. Asteroom sells the first as a low-cost motorized tripod - the Pano Kit - and gives away the second as an app. You put your phone on the mount, it rotates, it shoots, and the app assembles a navigable 3D tour with a floor plan and measurements attached.

This is a less glamorous product than a $3,000 camera, which is exactly the point. The founders were not romantics about hardware. Eric Tsai and Jennifer Li came out of Facebook's small-business ads world - Tsai was a data scientist on the SMB ads analytics team - where you spend your days learning precisely how little a small business will pay for anything and how much friction it will tolerate before it quits. That is not the background of someone who wants to ship a beautiful expensive object. It is the background of someone who wants to remove the reason the customer said no. They were joined by Hamming Hung, a computer scientist with a stack of AI patents, who handles the part where panoramas become geometry.

"To provide realistic and immersive property virtual tours that allow buyers and renters around the world to be there without being there."
— Asteroom mission statement

You could stop the story there and have a perfectly reasonable prosumer company: cheap tours, agents happy, tripods shipping out of a Shopify store. Asteroom did something more interesting, which is that it noticed the tour it was already taking is, from a slightly different angle, a property inspection. The same slow spin that produces a pretty walkthrough for a buyer produces a documented, timestamped, room-by-room record of a house. One audience calls that marketing. Another audience - lenders, appraisers, the government-sponsored enterprises that stand behind most American mortgages - calls that data. And they have started to need a lot of it.


What You Can Actually Do With It

One capture, several jobs

01

Shoot a 3D tour

Mount your phone on the Pano Kit, let it spin room by room, and the app stitches a navigable walkthrough with high-resolution panoramas.

02

Generate a floor plan

The same capture produces a measured floor plan and layout - no separate sketch, no tape measure.

03

Stage it virtually

Add virtual furniture and enhance 2D stills so an empty room reads as a home buyers can picture living in.

04

Sync to the listing

Publish straight to MLS, Zillow and Realtor.com through built-in integrations, plus social sharing.

05

Collect appraisal data

Capture UPD-compliant interior/exterior data and submit it to Fannie Mae's Property Data API for value acceptance and hybrid appraisals.

06

Order it done for you

Lenders and AMCs can dispatch a trained data collector from Asteroom's national network instead of doing it in-house.

Approximate: network scale and integration list are as reported by the company and trade press.


The Product, Stacked

Smaller than it sounds, bigger than it looks

The clever part of Asteroom is not any single layer - it is that the cheap consumer layer at the top and the compliance layer at the bottom are the same photo shoot. Sell the tripod to agents, and you have built the capture habit that lenders will later pay for.

Read the stack top to bottom: hardware anyone can afford, software anyone can run, a workflow that turns pictures into property data, and an API that plugs that data straight into the machinery of the mortgage market.

Pano Kit & phone the affordable rig
Asteroom App capture & stitch
Tours, floor plans, staging the deliverable
GSE Property Data API Fannie Mae / Freddie Mac

Why The Appraisal Angle Matters

Marketing tool at the top, plumbing at the bottom

Fannie Mae and Freddie Mac have spent recent years modernizing how homes get valued. Programs with unlovely names - Value Acceptance + Property Data, hybrid and desktop appraisals - replace some full in-person appraisals with a two-step process: a trained (but not necessarily licensed-appraiser) collector gathers standardized interior and exterior data, and an appraiser works from it remotely. That only functions if the data is captured consistently and can flow into the GSEs' systems. Which is a plumbing problem. Asteroom is some of the plumbing.

3D tour cost: dedicated camera + photographerhigh
3D tour cost: smartphone + Pano Kitlow
Setup / skill requiredminimal
Jobs served by one capturetour · floor plan · staging · appraisal data

Illustrative comparison - directional, not exact pricing.


The People

Three founders, one unglamorous idea

ET

Eric Tsai

Co-Founder & CEO

Leads growth, analytics, sales and operations. Former data scientist on Facebook's SMB ads analytics team.

JL

Jennifer Li

Co-Founder & CPO

Leads product and design. Previously worked at Facebook and Microsoft, focused on making capture simple.

HH

Hamming Hung

Co-Founder & President

Serial entrepreneur and computer scientist with multiple AI patents; oversees technology and the vision pipeline.


The Path

From listing tours to load-bearing

2018

Asteroom founded to bring cheap, smartphone-based 3D tours to real estate agents.

May 2019

Closes a Seed round - reported around $1.5M, with FuturePlay - to build out the platform.

2020

Named a Top 20 PropTech Solution Company by CIOReview.

2022

Launches a desktop appraisal solution aimed at appraisal management companies.

2023

Announces universal data collection supporting Fannie Mae's Value Acceptance + Property Data via the GSE Property Data API.


Who's In The Room

Integrations & customers

Asteroom sits between two worlds - the consumer-facing listing platforms and the mortgage-side appraisal firms - and has plugged into both.

Platform integrations

Fannie MaeFreddie MacZillowRealtor.comMLS

Reported clients & networks

Berkshire HathawayOfferpadFirst AmericanSolidifiOpteonCrye-LeikeKeyesAccurate GroupConsolidated AnalyticsDart AppraisalPCV Murcor

Logos shown on Asteroom's site and trade coverage; relationships vary by product line.


The Alternatives

Who else is in this space

On the tour side, the obvious name is Matterport, along with Zillow 3D Home, RICOH360, Floorfy, CubiCasa and iGUIDE. On the mortgage side, Asteroom competes with property-data-collection vendors and appraisal-tech platforms. Its wedge in both is the same: cost and simplicity.

Filed Under

Tags

proptech3d virtual toursaasaiappraisal modernizationproperty data collectionsmartphone 3d scanningfloor planvirtual stagingfannie maedigital twinreal estate

Watch & Explore

See it in motion


Find Asteroom

Website & social

Quick facts: Asteroom

Asteroom turns an ordinary smartphone into a professional 3D virtual tour and property data collection tool. Founded in 2018 by ex-Facebook and Microsoft engineers, the company sells an inexpensive Pano Kit tripod plus an app that lets real estate agents, appraisers, and property managers capture immersive 3D tours, floor plans, and measurements without a $3,000 camera. It has since become a property data collection provider integrated with Fannie Mae, Freddie Mac, Zillow, and Realtor.com, powering appraisal modernization workflows through a national network of trained data collectors.

Founded
2018
Headquarters
Fremont, California, United States
Founders
Eric Tsai (Co-Founder & CEO), Jennifer Li (Co-Founder & CPO), Hamming Hung (Co-Founder & President)
Team size
~63 employees
Products
Asteroom App (iOS & Android), Pano Kit / 3D Tour Kit, GSE Property Data Collection, Desktop & Hybrid Appraisal Solutions, Virtual Staging & Imaging Services
Notable
Named a Top 20 PropTech Solution Company (2020) by CIOReview., Built a national network reported at 5,000+ trained and certified property data collectors., Completed integrations with Fannie Mae, Freddie Mac, Zillow, and Realtor.com.

Last updated: