Company lists · Data refreshed September 2026

Top 17 Real estate development associations based in Seattle, United States

RevenueBase identified 35 real estate development associations headquartered in Seattle, United States as of September 2026 and tracks 240 professional contacts across them, including 96 with verified work emails. Miami is the largest hub.

This list covers real estate development associations headquartered in Seattle, 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 17, 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 17, 2026 86% judged on-target in blind review
35Companies
240Contacts tracked
96Verified emails
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The 17 largest real estate development associations based in Seattle, United States

Ranked by team size
Top 17 of 35 real estate development associations based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to real estate development associations: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 202651-20084 contacts →

Strong evidence

“Seneca Group, a Cumming Group company, provides real estate development management and advisory services to private and public sector clients.”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-1014 contacts →

Partial evidence

“The Building Owners and Managers Association Greater Seattle is a professional trade association with several hundred members from over 265 firms who either own or manage…”

Source: RevenueBase Database · checked Sep 17, 2026
3Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-1012 contacts →

Strong evidence

“Arrive, LLC is a real estate consulting company providing development advisory services for apartment and condominium projects in the Pacific Northwest.”

Source: RevenueBase Database · checked Sep 17, 2026
4Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 202611-5011 contacts →

Strong evidence

“Pine Street Group (PSG) is a Seattle-based real estate developer and owner's representative with expertise in managing complex urban development projects including commercial…”

Source: RevenueBase Database · checked Sep 17, 2026
5Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 202611-507 contacts →

Strong evidence

“Build Urban LLC provides full real estate development services from land use acquisition through sale or stabilization.”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-105 contacts →

Partial evidence

“Avenue 55 manages all aspects of development from start to finish.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceSeattle, WA, United StatesHQ checked Sep 17, 202651-2005 contacts →

Partial evidence

“Triad Development has been a leader in mixed used development for over 20 years.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-104 contacts →

Indirect evidence

“Compelled by the lack of individualized service in the space of commercial RE, Bridgewright was founded with the simple concept of developing and building projects like they are…”

Source: RevenueBase Database · checked Sep 17, 2026
9Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 202611-504 contacts →

Strong evidence

“Madrona Real Estate Services, LLC, is a full-service real estate company located in Seattle, Washington.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceSeattle, United StatesHQ checked Sep 17, 202611-503 contacts →

Indirect evidence

“Realogics is the recognized dream team that supports developers and their lenders for the disposition of high-profile, high-value condominum and mixed-use buildings in the city.”

Source: RevenueBase Database · checked Sep 17, 2026
11Partial evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-103 contacts →

Partial evidence

“Actum Realty is a Washington State Brokerage Firm that focuses on Profitable Resale, Aggressive Acquisition, Development Consulting, Business Opportunity Sales, & Select Property…”

Source: RevenueBase Database · checked Sep 17, 2026
12Strong evidenceSeattle, United StatesHQ checked Sep 17, 20261-102 contacts →

Strong evidence

“Seattle based real estate development company that partners, builds, and markets new single and multifamily residences.”

Source: RevenueBase Database · checked Sep 17, 2026
13Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-102 contacts →

Strong evidence

“Three Krown is a real estate advisory firm focused on strategic investing and development.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-102 contacts →

Indirect evidence

“Lineage is based in Seattle, Washington, with project experience throughout the Pacific Northwest.”

Source: RevenueBase Database · checked Sep 17, 2026
15Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-102 contacts →

Strong evidence

Real Estate Brokerage and Residential Home Development

Source: RevenueBase Database · checked Sep 17, 2026
16Strong evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-101 contacts →

Strong evidence

Real estate brokerage services for home buyers and sellers.”

Source: RevenueBase Database · checked Sep 17, 2026
17Indirect evidenceSeattle, WA, United StatesHQ checked Sep 17, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026

Showing 17 of 35 real estate development associations based in Seattle, United States

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Real estate development associations based in Seattle, United States at a glance

As of Sep 17, 2026
40.0%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
440.0%Largest-city concentration · Miami
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
7
51-200
3
201-500
1

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 35 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 real estate development associations, 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 Seattle, United States whose own description of what they do matches “real estate development associations”. 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 real estate development associations), 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 real estate development associations, and records with no verified work email. Companies headquartered outside Seattle 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, 96 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 17, 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.

Real estate development associations by metro in the United States

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 real estate development associations, 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 real estate development associations are there based in Seattle, United States?

RevenueBase identified 35 real estate development associations headquartered in Seattle, 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?

Seneca Group, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most real estate development associations?

Miami leads with 154 headquartered companies, followed by New York (143) and Atlanta (110).

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 96 verified decision-maker contacts tracked across these 35 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 17, 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.