Company lists · Data refreshed September 2026

Top 25 Sustainable architecture firms based in Los Angeles, United States

Name: Sustainable architecture firms based in Los Angeles, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 131 companies tracked

RevenueBase identified 131 sustainable architecture firms headquartered in Los Angeles, United States as of September 2026 and tracks 1,249 professional contacts across them, including 491 with verified work emails. New York is the largest hub.

This list covers sustainable architecture firms headquartered in Los Angeles, 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 18, 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 18, 2026 86% judged on-target in blind review

131Companies

1,249Contacts tracked

491Verified emails

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The 25 largest sustainable architecture firms based in Los Angeles, United States

Ranked by team size

Top 25 of 131 sustainable architecture firms based in Los Angeles, United States, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to sustainable architecture firms: 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	Steinberg Hart	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	51-200	188 contacts →
	Indirect evidence “For 70 years, Steinberg Hart has been shaping environments and creating inspiring places through an idea driven, results-oriented approach to design.” Source: RevenueBase Database · checked Sep 18, 2026
2	AC Martin	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	51-200	153 contacts →
	Partial evidence “AC Martin is a California-based architecture, planning, interior architecture and research firm that uses an integrated design approach to create enduring environments for the…” Source: RevenueBase Database · checked Sep 18, 2026
3	Nadel Architects	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	51-200	75 contacts →
	Partial evidence “As a leading Los Angeles architectural firm with over 50 years of experience, we offer comprehensive design and planning services specializing in retail revitalization…” Source: RevenueBase Database · checked Sep 18, 2026
4	Home Front Build	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	75 contacts →
	Indirect evidence “Home Front is a design/build construction company specializing in green construction and preservation.” Source: RevenueBase Database · checked Sep 18, 2026
5	DCM	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	n/a	64 contacts →
	Partial evidence “Architecture and Design Our Office is led by 3 partners Jeff Dotterweich, Cynthia Carlson and Tiemo Mehner.” Source: RevenueBase Database · checked Sep 18, 2026
6	Studio Shamshiri	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	35 contacts →
	Indirect evidence “Studio Shamshiri is a multidisciplinary design firm.” Source: RevenueBase Database · checked Sep 18, 2026
7	Verdical Group	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	29 contacts →
	Partial evidence “Established in 2012, Verdical Group has developed a nationally known brand and industry leading reputation as a sustainability consulting firm focused on decarbonizing the built…” Source: RevenueBase Database · checked Sep 18, 2026
8	Studio William Hefner	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	51-200	20 contacts →
	Indirect evidence “Studio William Hefner is a company based out of 5820 Wilshire Blvd, Los Angeles, California, United States.” Source: RevenueBase Database · checked Sep 18, 2026
9	KOVAC	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	20 contacts →
	Partial evidence “KOVAC is a Los Angeles-based architecture and design practice focused on the realization of meticulously crafted, highly personalized projects.” Source: RevenueBase Database · checked Sep 18, 2026
10	AUX Architecture	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	18 contacts →
	Partial evidence “Founded in 2008, AUX Architecture designs the future for people, institutions, and communities.” Source: RevenueBase Database · checked Sep 18, 2026
11	SRK Architects, INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	17 contacts →
	Indirect evidence “Mission: Our single professional purpose is to deliver design excellence, every day for every project, sourced through strong, collaborative relationships with our clients.” Source: RevenueBase Database · checked Sep 18, 2026
12	John Friedman Alice Kimm Architects Jfak	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	16 contacts →
	Partial evidence “The work of John Friedman Alice Kimm Architects (JFAK) begins with the premise that architecture has the power to dramatically affect people’s lives.” Source: RevenueBase Database · checked Sep 18, 2026
13	Studio Ar&d Architects	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	1-10	16 contacts →
	Partial evidence “Studio AR & D Architects, nestled in the dynamic landscape of Los Angeles and Palm Springs, California is not just an architecture & design firm but a hub of innovation and…” Source: RevenueBase Database · checked Sep 18, 2026
14	Ottinger Architects	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	15 contacts →
	Indirect evidence “We design unique and livable places that respond to the changing needs of denser and more urban cities.” Source: RevenueBase Database · checked Sep 18, 2026
15	Large Architecture	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	13 contacts →
	Partial evidence “With a focus on creativity, environmentally sensitive design, proactive project management and sound technical skills, LARGE architecture (LRG) delivers unique design solutions…” Source: RevenueBase Database · checked Sep 18, 2026
16	Alloi Architecture Construction	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	1-10	13 contacts →
	Partial evidence “Alloi Architecture + Construction is an independent design-build firm specializing in meticulously efficient and profoundly innovative solutions to contemporary residential and…” Source: RevenueBase Database · checked Sep 18, 2026
17	Assembledge	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	12 contacts →
	Indirect evidence “Warm modernism.” Source: RevenueBase Database · checked Sep 18, 2026
18	Luno Design Studio	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	1-10	12 contacts →
	Partial evidence “LUNO is committed to the principles of collaboration, responsiveness, and sustainability.” Source: RevenueBase Database · checked Sep 18, 2026
19	Tichenor & Thorp Architects, INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	12 contacts →
	Indirect evidence “M.” Source: RevenueBase Database · checked Sep 18, 2026
20	Newman Garrison Partners	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	51-200	11 contacts →
	Partial evidence “Newman Garrison + Partners (NG+P) is a Los Angeles-area based full service architecture, urban planning, and interior design studio that has demonstrated its commitment to design…” Source: RevenueBase Database · checked Sep 18, 2026
21	Urban Architecture LAB	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	9 contacts →
	Partial evidence “Urban Architecture Lab is a full-service architecture design firm with a strong understanding of the project development process and our clients' needs.” Source: RevenueBase Database · checked Sep 18, 2026
22	Assemblage Works, INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	1-10	8 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 18, 2026
23	JKA John Kaliski Architects	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	11-50	8 contacts →
	Partial evidence “John Kaliski Architects, Inc.(JKA), founded in and based in Los Angeles, California, is an award-winning, full-service architecture and urban design certified Small Business…” Source: RevenueBase Database · checked Sep 18, 2026
24	Stir Architecture	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 18, 2026	1-10	8 contacts →
	Partial evidence “Sustainable design, the regeneration of urban centers, the balance between public places and private space, the exploration of new technologies; we are fully engaged in…” Source: RevenueBase Database · checked Sep 18, 2026
25	Stout Design Build	Indirect evidence	Los Angeles, United StatesHQ checked Sep 18, 2026	11-50	8 contacts →
	Indirect evidence “Stout Design:Build is a full service firm specializing in high end custom residential homes and Landscape Design:Build.” Source: RevenueBase Database · checked Sep 18, 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: sustainable architecture firms. 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 sustainable architecture firms.
Partial evidence: Its own public description names part of sustainable architecture firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sustainable architecture firms. 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 131 sustainable architecture firms based in Los Angeles, United States

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Sustainable architecture firms based in Los Angeles, United States at a glance

As of Sep 18, 2026

39.3%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

215.3%Largest-city concentration · New York

Sep 18, 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 Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 131 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 sustainable architecture firms, 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 Los Angeles, United States whose own description of what they do matches “sustainable architecture firms”. 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 sustainable architecture firms), 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 sustainable architecture firms, and records with no verified work email. Companies headquartered outside Los Angeles 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, 491 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 18, 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.

Sustainable architecture firms 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 sustainable architecture firms, 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 sustainable architecture firms are there based in Los Angeles, United States?

RevenueBase identified 131 sustainable architecture firms headquartered in Los Angeles, 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?

Steinberg Hart, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most sustainable architecture firms?

New York leads with 282 headquartered companies, followed by Los Angeles (131) and Seattle (128).

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 491 verified decision-maker contacts tracked across these 131 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 18, 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.