Company lists · Data refreshed October 2026

Top 25 Office to residential conversion architects based in Seattle, United States

Name: Office to residential conversion architects based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 89 companies tracked

RevenueBase identified 89 company matches for office to residential conversion architects associated with Seattle, United States as of October 2026 and tracks 424 professional contacts across them, including 244 with verified work emails. Across the United States, New York is the largest hub for this category (576 companies); Seattle has 89.

This list covers company matches for office to residential conversion architects associated with Seattle, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 19, 2026 How this list was built

89Companies

424Contacts tracked

244Verified emails

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The 25 largest office to residential conversion architects based in Seattle, United States

Ranked by team size

Top 25 of 89 company matches for office to residential conversion architects based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Porter	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	51-200	63 contacts →
	Exact match “Porter creates places where people want to be.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2	Graphite Design Group	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	35 contacts →
	Exact match “Graphite Design Group is a Seattle-based design firm recognized for crafting people-focused integrated environments that elegantly solve complex problems.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3	Jackson Main Architecture, P.S	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	26 contacts →
	Exact match “Jackson \| Main Architecture is a full-service architecture and planning firm designing what’s next in the built environment.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Lockhart-Suver LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	17 contacts →
	Exact match “LOCKHART-SUVER LLC is a construction company based out of 6201 ROOSEVELT WAY NE, SEATTLE, Washington, United States.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5	Cast Architecture	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	15 contacts →
	Exact match “CAST architecture is a Seattle-based firm with extensive experience designing contemporary spaces throughout the Northwest.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Degen & Degen Architecture And Interior Design	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	15 contacts →
	Exact match “Since 1994, Degen & Degen has designed distinctive environments for the hospitality industry across North America.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	Mwworks	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	13 contacts →
	Exact match “mwworks llc is a Seattle based design studio offering architectural and interior design services to residential and commercial clients.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8	B9 Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	12 contacts →
	Exact match “b9 architects' work focuses on creating positive change in the urban environment through innovative place-specific modern architecture.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	Shugart Wasse Workshop Architecture And Interiors	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	11 contacts →
	Exact match “Shugart Wasse Workshop is an award winning firm specializing in full service architectural and interior design.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Bumgardner Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	9 contacts →
	Exact match “Bumgardner is a nationally recognized, award-winning, architecture and design firm that thrives on designing all of the built elements that make great communities.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	Weaver Architects P.S., INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	8 contacts →
	Exact match “With the knowledge that good design is not an economic question, but a manifestation of our core principles of creativity, innovation and client service, Weaver Architects was…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12	Blue Water Design Build	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	8 contacts →
	Exact match “Ready to fall back in love with your home?” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13	Floisand Studio Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	7 contacts →
	Exact match “Founded in by partners Richard Floisand and Allison Hogue, Floisand Studio Architects is a full-service architecture and design practice crafting buildings and interiors in the…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14	Garret Cord Werner Architects & Interior Designers	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	11-50	7 contacts →
	Exact match “Garret Cord Werner Design is a Boutique Architecture and Design Firm.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Grouparchitect	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	6 contacts →
	Exact match “Grouparchitect designs concise architectural solutions for all sizes of residential, multifamily, and mixed-use/commercial projects.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16	First Lamp Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	6 contacts →
	Exact match “First Lamp began in 2009 with the goal of becoming a full-service architecture and construction firm.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17	Hyde Evans Design	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	6 contacts →
	Exact match “Hyde Evans Design is an interior architecture and interior design firm with offices in Seattle and Palm Springs.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18	Kwanchai	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	6 contacts →
	Exact match “Our Mission: reason made visible calm discovered dynamic beauty rendered bare Together, we’ll create a project concept and forge a transformed space, large or small, that is…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Skid Sean Kendig Interior Design	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	6 contacts →
	Exact match “SEAN KENDIG INTERIOR DESIGN was established in 2009 by Sean C.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	Christopher Jones Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	5 contacts →
	Exact match “Christopher Jones Architects is a Seattle based residential design firm founded on the belief that all buildings should be thoughtfully designed, well crafted, sustainable, and…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	Office Of Ordinary Architecture	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	5 contacts →
	Exact match “Office of Ordinary Architecture searches to find the beauty in the everyday and intentionally aims to be a generalist firm, working on a variety of disciplines including…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22	Johnson Oaklief Architecture & Planning, LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	5 contacts →
	Exact match “Johnson Oaklief Architecture & Planning began with and continues to focus on the firms architectural practice of urban design and development, the design and planning of mixed-use…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	Strata Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	5 contacts →
	Exact match “Strata Architects is a Seattle-based design firm dedicated to creating solutions for our clients that make a lasting impact.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	Upward Architecture & Interiors	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	4 contacts →
	Exact match “Founded by architect Mark Ward, UPWARD Architecture & Interiors is a small, Seattle-based collaborative of creative problem solvers who contribute design, business acumen and…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	Robin Chell Design	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1-10	4 contacts →
	Exact match “Robin Chell Design is a full-service interior design firm that specializes in urban multi-family, multi-use, and commercial projects.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “office to residential conversion architects”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 89 office to residential conversion architects based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 244 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office to residential conversion architects based in Seattle, United States at a glance

As of Oct 19, 2026

57.5%Verified-email coverage

4.8Average contacts per company

1-10Median size (employees)

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 89 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Seattle, United States whose business descriptions match “office to residential conversion architects” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 244 professional contacts with verified work emails across the full matched dataset. 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 October 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Office to residential conversion architects by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “office to residential conversion architects”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office to residential conversion architects are there based in Seattle, United States?

RevenueBase identified 89 company matches for office to residential conversion architects associated with Seattle, United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Porter tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most office to residential conversion architects?

New York leads the United States with 576 company records, followed by Los Angeles (224) and Chicago (163). Seattle has 89.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 244 professional contacts with verified work emails tracked across these 89 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 19, 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 SmartSearch, 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.