Company lists · Data refreshed September 2026

Top 25 Commercial property database companies based in the United States

Name: Commercial property database companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 398 companies tracked

RevenueBase identified 398 commercial property database companies headquartered in the United States as of September 2026 and tracks 11,067 professional contacts across them, including 4,456 with verified work emails. New York is the largest hub.

This list covers commercial property database companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review

398Companies

11,067Contacts tracked

4,456Verified emails

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The 25 largest commercial property database companies based in the United States

Ranked by team size

Top 25 of 398 commercial property database companies based in the United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to commercial property database companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Costar Group	Partial evidence	Arlington, VA, United StatesHQ checked Sep 27, 2026	5,001-10,000	5,803 contacts →
	Partial evidence “CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology.” Source: RevenueBase Database · checked Sep 27, 2026
2	Loopnet	Strong evidence	Richmond, VA, United StatesHQ checked Sep 27, 2026	1,001-5,000	568 contacts →
	Strong evidence “LoopNet is the most visited commercial real estate marketplace, covering For Sale and For Lease properties across all commercial property categories.” Source: RevenueBase Database · checked Sep 27, 2026
3	Green Street	Partial evidence	Newport Beach, CA, United StatesHQ checked Sep 27, 2026	201-500	468 contacts →
	Partial evidence “Founded in 1985, Green Street is the premier provider of actionable commercial real estate and infrastructure research, news, data, analytics, and advisory services.” Source: RevenueBase Database · checked Sep 27, 2026
4	Lightbox	Indirect evidence	New York, NY, United StatesHQ checked Sep 27, 2026	501-1,000	444 contacts →
	Indirect evidence “LightBox is the Decision Foundation for the Built World.” Source: RevenueBase Database · checked Sep 27, 2026
5	Costar	Partial evidence	Arlington, VA, United StatesHQ checked Sep 27, 2026	1,001-5,000	222 contacts →
	Partial evidence “Discover what the gold standard in commercial real estate means for you.” Source: RevenueBase Database · checked Sep 27, 2026
6	Compstak	Strong evidence	New York, NY, United StatesHQ checked Sep 27, 2026	51-200	138 contacts →
	Strong evidence “CompStak is the leading commercial real estate data and analytics platform, built on the industry's most comprehensive crowdsourced database of lease comps, sale comps, loan data…” Source: RevenueBase Database · checked Sep 27, 2026
7	RCM	Partial evidence	Carlsbad, CA, United StatesHQ checked Sep 27, 2026	11-50	121 contacts →
	Partial evidence “Founded in Real Capital Markets (RCM) is the global marketplace for buying and selling commercial real estate (CRE).” Source: RevenueBase Database · checked Sep 27, 2026
8	Stellar MLS	Indirect evidence	Altamonte Springs, FL, United StatesHQ checked Sep 27, 2026	51-200	117 contacts →
	Indirect evidence “Stellar MLS invests in people and technology to give brokers and agents the access they deserve to perfect, standardized data.” Source: RevenueBase Database · checked Sep 27, 2026
9	Realtors Property Resource RPR	Strong evidence	Chicago, IL, United StatesHQ checked Sep 27, 2026	51-200	117 contacts →
	Strong evidence “Realtors Property Resource® (RPR®) is NAR’s exclusive online real estate database providing REALTORS® with the analytical power to help their clients make better informed…” Source: RevenueBase Database · checked Sep 27, 2026
10	ATTOM	Partial evidence	Irvine, CA, United StatesHQ checked Sep 27, 2026	51-200	116 contacts →
	Partial evidence “ATTOM powers innovation across industries with premium property data and analytics covering 158 million U.S.” Source: RevenueBase Database · checked Sep 27, 2026
11	Mountainseed	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	51-200	106 contacts →
	Indirect evidence “Our mission is to provide opportunity and help people thrive using their God-given abilities.” Source: RevenueBase Database · checked Sep 27, 2026
12	NAI Brannen Goddard	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	51-200	95 contacts →
	Partial evidence “NAI Brannen Goddard is a privately-held commercial real estate firm headquartered in Atlanta, Georgia with a global network of more than professionals.” Source: RevenueBase Database · checked Sep 27, 2026
13	Cherre	Indirect evidence	New York, NY, United StatesHQ checked Sep 27, 2026	51-200	95 contacts →
	Indirect evidence “Cherre is the leader in real estate data and insight.” Source: RevenueBase Database · checked Sep 27, 2026
14	The Warren Group	Indirect evidence	Peabody, MA, United StatesHQ checked Sep 27, 2026	51-200	78 contacts →
	Indirect evidence “Customers use The Warren Group to identify new business opportunities through access to comprehensive real estate and mortgage data, analytics, and industry news coverage.” Source: RevenueBase Database · checked Sep 27, 2026
15	Haines	Strong evidence	Sandy, UT, United StatesHQ checked Sep 27, 2026	n/a	71 contacts →
	Strong evidence “Haines Criss+Cross™ is an online property database that gives agents the property and homeowner information they need to identify qualified buyers and sellers to grow their…” Source: RevenueBase Database · checked Sep 27, 2026
16	Propstream	Indirect evidence	Lake Forest, CA, United StatesHQ checked Sep 27, 2026	11-50	69 contacts →
	Indirect evidence “The Most Powerful Real Estate Investment Tool Available!” Source: RevenueBase Database · checked Sep 27, 2026
17	ALN Apartment Data	Indirect evidence	Carrollton, TX, United StatesHQ checked Sep 27, 2026	11-50	54 contacts →
	Indirect evidence “Based in the great state of Texas and established in 1991, ALN is the largest collector of Apartment Data in the United States.” Source: RevenueBase Database · checked Sep 27, 2026
18	Hyatt Commercial	Partial evidence	Annapolis, MD, United StatesHQ checked Sep 27, 2026	11-50	53 contacts →
	Partial evidence “For over 60 years Hyatt Commercial has provided results driven services to our clients in Retail, Office, Industrial, Multi-Family, Mixed Use, Special Use, Investment…” Source: RevenueBase Database · checked Sep 27, 2026
19	CRS Data	Partial evidence	Knoxville, TN, United StatesHQ checked Sep 27, 2026	11-50	48 contacts →
	Partial evidence “For over 25 years, CRS Data has put the power of clear and current property information in the hands of real estate's leading professionals.” Source: RevenueBase Database · checked Sep 27, 2026
20	Boston Pads	Partial evidence	Boston, MA, United StatesHQ checked Sep 27, 2026	11-50	46 contacts →
	Partial evidence “Founded in 2003, Boston Pads is a real estate technology and operations company that powers a live, real-time database of over Greater Boston rental listings, the largest…” Source: RevenueBase Database · checked Sep 27, 2026
21	NAI Excel - Utah	Partial evidence	St. George, UT, United StatesHQ checked Sep 27, 2026	11-50	45 contacts →
	Partial evidence “NAI Excel is a leading provider of commercial real estate services in the West, with offices in Las Vegas, Nevada; St.” Source: RevenueBase Database · checked Sep 27, 2026
22	Midwest Real Estate Data LLC	Indirect evidence	Lisle, IL, United StatesHQ checked Sep 27, 2026	11-50	41 contacts →
	Indirect evidence “MRED is dedicated to serving nearly real estate professionals in more than 7,500 offices.” Source: RevenueBase Database · checked Sep 27, 2026
23	Corcoran Urban Real Estate	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 27, 2026	11-50	40 contacts →
	Indirect evidence “Urban Real Estate is a privately held company that was founded by several industry experts in an effort to bring to market an enterprise that could leverage both longstanding…” Source: RevenueBase Database · checked Sep 27, 2026
24	Realnex, LLC	Partial evidence	Stafford, TX, United StatesHQ checked Sep 27, 2026	51-200	39 contacts →
	Partial evidence “RealNex is a commercial real estate technology company focused on providing data management, analytic, and marketing tools to enhance productivity.” Source: RevenueBase Database · checked Sep 27, 2026
25	AIR CRE	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 27, 2026	11-50	36 contacts →
	Partial evidence “AIR CRE was founded in Los Angeles in 1960, by brokers, for brokers-to collaborate, connect, and strengthen the commercial real estate community through respect and integrity.” Source: RevenueBase Database · checked Sep 27, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: commercial property database companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names commercial property database companies.
Partial evidence: Its own public description names part of commercial property database companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name commercial property database companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 398 commercial property database companies based in the United States

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Commercial property database companies based in the United States at a glance

As of Sep 27, 2026

40.3%Verified-email coverage

27.8Average contacts per company

1-10Median size (employees)

4.5%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

222

11-50

126

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 398 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among commercial property database companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “commercial property database companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names commercial property database companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among commercial property database companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 4,456 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names commercial property database companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many commercial property database companies are there based in the United States?

RevenueBase identified 398 commercial property database companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Costar Group, headquartered in Arlington, tops this list with the largest team on record.

Which city has the most commercial property database companies?

New York leads with 18 headquartered companies, followed by Atlanta (8) and Chicago (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,456 verified decision-maker contacts tracked across these 398 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.