Company lists · Data refreshed September 2026

Top 20 Sustainable landscape design firms based in Washington, United States

Name: Sustainable landscape design firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 30 companies tracked

RevenueBase identified 30 company matches for sustainable landscape design firms associated with Washington, United States as of September 2026 and tracks 148 professional contacts across them, including 72 with verified work emails. Across the United States, New York is the largest hub for this category (136 companies); Washington has 30.

This list covers company matches for sustainable landscape design 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 September 22, 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 Sep 22, 2026 How this list was built

30Companies

148Contacts tracked

72Verified emails

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The 20 largest sustainable landscape design firms based in Washington, United States

Ranked by team size

Top 20 of 30 company matches for sustainable landscape design firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	Fillat Architecture	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	11-50	20 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 · Sep 22, 2026 · View company records in RevenueBase
2	Oehme, VAN Sweden OVS	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	11-50	18 contacts →
	Exact match “OvS is an award-winning practice of landscape architecture based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Bradley Site Design, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	11-50	16 contacts →
	Exact match “Located in Washington, DC, Bradley Site Design is a dynamic Landscape Architecture, Civil Engineering and Planning firm founded in 1994 and dedicated to the creation of socially…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Richardson & Associates Landscape Architecture	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	8 contacts →
	Exact match “We create distinctive, sophisticated natural environments for modern living.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	GTM DC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	8 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 · Sep 22, 2026 · View company records in RevenueBase
6	Istudio Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	8 contacts →
	Exact match “ISTUDIO was founded with a dedication to creating artful, sustainable communities.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Casey & Company	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	6 contacts →
	Exact match “At Casey & Company, we help commercial and residential property owners, governments, and municipalities create sustainable, high-impact landscapes that inspire, endure, and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Townhome Landscapes	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	6 contacts →
	Exact match “Washington DC's Premier One-Stop Shop for Landscape Design, Build, and Maintenance.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Natural Resources Design, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Carvalho And Good, Pllc	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	3 contacts →
	Exact match “Carvalho & Good, PLLC believes in establishing strong working relationships with our clients.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Studio Upwall Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 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 · Sep 22, 2026 · View company records in RevenueBase
12	Greening Urban LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	3 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 · Sep 22, 2026 · View company records in RevenueBase
13	Arentz Landscape Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	11-50	3 contacts →
	Exact match “Arentz Landscape Architects is a boutique firm with regional offices in Washington, DC, Warrenton, VA and Rochester, NY.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Push Studio, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “PUSH believes that the interpretation of special site signatures yields innovative and interactive designed environments.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Ecospaces	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	11-50	2 contacts →
	Exact match “Green roof specialist based in Washington, DC - helping save the planet - one roof at a time.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Studio AKA Landscape Architecture	Exact match	Washington, United StatesHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Checa Architects	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 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 · Sep 22, 2026 · View company records in RevenueBase
18	Lawson Yardscapes	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “Creating fulfilling and sustainable landscapes in the DC/Maryland/VA area - Landscapes that celebrate our unique living spaces and minimizing lawns in lieu of native plants that…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	David Wooden Studio	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “David Wooden Studio is a landscape architecture firm based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Pvblic Nature Projects LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “PUBLIC NATURE PROJECTS LLC provides design and strategy consulting for public and privately owned landscapes, working with clients to tackle challenges and visualize opportunities…” Recorded in the RevenueBase company graph · Sep 22, 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 “sustainable landscape design 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 20 of 30 sustainable landscape design firms based in Washington, United States

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Sustainable landscape design firms based in Washington, United States at a glance

As of Sep 22, 2026

48.6%Verified-email coverage

4.9Average contacts per company

1-10Median size (employees)

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 30 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 “sustainable landscape design 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 72 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 September 22, 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.

Sustainable landscape design 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 “sustainable landscape design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable landscape design firms are there based in Washington, United States?

RevenueBase identified 30 company matches for sustainable landscape design firms associated with Washington, United States as of September 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?

Fillat Architecture 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 sustainable landscape design firms?

New York leads the United States with 136 company records, followed by Austin (97) and Seattle (90). Washington has 30.

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 72 professional contacts with verified work emails tracked across these 30 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 September 22, 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.