Company lists · Data refreshed October 2026

Top 24 Eco-friendly architecture firms based in Washington, United States

Name: Eco-friendly architecture firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 43 companies tracked

RevenueBase identified 43 company matches for eco-friendly architecture firms associated with Washington, United States as of October 2026 and tracks 504 professional contacts across them, including 215 with verified work emails. Across the United States, New York is the largest hub for this category (274 companies); Washington has 43.

This list covers company matches for eco-friendly architecture firms associated with Washington, 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 11, 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 11, 2026 How this list was built

43Companies

504Contacts tracked

215Verified emails

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The 24 largest eco-friendly architecture firms based in Washington, United States

Ranked by team size

Top 24 of 43 company matches for eco-friendly architecture firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	Shalom Baranes Associates	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	51-200	82 contacts →
	Exact match “Shalom Baranes Associates (SBA) is a Washington, DC architectural firm with an acclaimed reputation for its expertise in residential, commercial, institutional, and governmental…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Baumann Consulting	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	51-200	71 contacts →
	Exact match “Baumann Consulting is driven to deliver solutions for a carbon-neutral real estate industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	David M. Schwarz Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	43 contacts →
	Exact match “David M.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	MAP	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	n/a	31 contacts →
	Exact match “MAP's work is distinguished by designs rooted in the Climate of a place.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Barnesvanze Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	22 contacts →
	Exact match “Our co-founders, Anthony “Ankie” Barnes and Stephen Vanze, established Barnes Vanze Architects in 1989.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Fillat Architecture	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	22 contacts →
	Exact match “FILLAT+ is a design studio headquartered in Washington, DC with offices in Baltimore, New York and San Diego.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Buildinggreen	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	19 contacts →
	Exact match “BuildingGreen® is the longest-running green building publication.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Bonstra L Haresign Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	18 contacts →
	Exact match “Bonstra \| Haresign ARCHITECTS is guided by the belief that architecture transforms communities and inspires people.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Soto Architecture & Urban Design, Pllc	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	16 contacts →
	Exact match “Architecture & Urban design team located in the 14th Street corridor of Washington, DC.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Bell Architects, PC	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	14 contacts →
	Exact match “BELL Architects' works closely with communities to create places where people want to be.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Blackburn Architects, P.C	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	Petra Development	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	9 contacts →
	Exact match “With a steadfast commitment to innovation, quality, and sustainability, we specialize in crafting exceptional built environments that seamlessly blend architectural beauty with…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	GTM DC	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	7 contacts →
	Exact match “GTM Architects of Washington DC, LLC (GTM\|DC) is a full service, award-winning firm offering services in architecture, planning and design.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Istudio Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	7 contacts →
	Exact match “ISTUDIO was founded with a dedication to creating artful, sustainable communities.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Energy Shrink, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “Energy Shrink is an environmental consulting practice specialized in sustainability and energy efficiency in buildings, that is, high-performance or green buildings.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Adaptive Green	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	11-50	5 contacts →
	Exact match “Adaptive Green designs, installs and maintains green building components such as green roofs, solar panels, green walls and sustainable water management systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Greening Urban LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	4 contacts →
	Exact match “Greening Urban is a civil engineering firm with built projects in Washington, D.C; Maryland; and Virginia.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Inscape Studio	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	4 contacts →
	Exact match “Formed in 1998, Inscape Studio is a collaboration of individuals dedicated to creating innovative, contemporary architecture that is socially responsible and environmentally…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Kube Architecture	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	4 contacts →
	Exact match “KUBE architecture is a modern architecture studio that challenges the norms of daily life and attempts to reinterpret ways of working and living in the built environment.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	To BE Done Studio	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “To Be Done Studio harnesses the inherent goodness in people and the power of design to create sustainable solutions to the pressing problems that our world faces.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Studio Upwall Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “Our goal is to create healthy indoor environments that are regenerative and infused with natural daylight and ventilation and are designed to maximize access to outdoor spaces.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	WLC Design	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “WLC Design is a full-service design and development firm delivering integrated solutions across residential, commercial, and community-based real estate.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Checa Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match “A full service firm creating exquisitely crafted, modern, ecologically sensitive, light-filled spaces and homes that lift the human spirit.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Demian Wilbur Architects	Exact match	Washington, DC, United StatesHQ recorded Oct 11, 2026	1-10	1 contacts →
	Exact match “Formed in 2005 by Eric Wilbur and Ziad Demian, demian\wilbur\architects studio is a certified small business entity located in Capital Hill serving the greater Washington DC…” Recorded in the RevenueBase company graph · Oct 11, 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 “eco-friendly architecture firms”. 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 24 of 43 eco-friendly architecture firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 215 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Eco-friendly architecture firms based in Washington, United States at a glance

As of Oct 11, 2026

42.7%Verified-email coverage

11.7Average contacts per company

1-10Median size (employees)

Oct 11, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 43 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 Washington, United States whose business descriptions match “eco-friendly architecture firms” 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 215 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 11, 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.

Eco-friendly architecture firms 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 “eco-friendly architecture firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many eco-friendly architecture firms are there based in Washington, United States?

RevenueBase identified 43 company matches for eco-friendly architecture firms associated with Washington, 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?

Shalom Baranes Associates 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 eco-friendly architecture firms?

New York leads the United States with 274 company records, followed by Los Angeles (136) and Seattle (100). Washington has 43.

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 215 professional contacts with verified work emails tracked across these 43 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 11, 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.