aid: assembly-osm
name: Assembly OSM
image: https://cdn.prod.website-files.com/67642e56febbc72785406810/67642e56febbc727854068a1_LOGO_Web256x256.png
description: >-
  Assembly OSM is a New York City off-site manufacturing company founded in 2019 by SHoP
  Architects co-founders Bill and Chris Sharples to industrialise the construction of
  high-rise urban housing. The company calls its method "post-modular": rather than
  trucking finished volumetric boxes from a single factory, Assembly designs a
  kit-of-parts chassis and distributes fabrication across a network of specialist
  suppliers — an aerospace and automotive supply-chain model applied to buildings — then
  stacks the resulting units on site, claiming delivery of market-competitive high-rise
  residential architecture in roughly 60% of conventional schedule. Its buildings are
  all-electric and passive-design led, targeting 55-70% energy-efficiency improvement and
  35% less embodied carbon today, net-zero operational carbon by 2027 and climate-positive
  buildings by 2040. Completed and in-progress work includes Prototype Alpha, 147 St.
  Felix Street and 247 East 117th Street in New York, plus an AOSM Canada operation. The
  company has raised more than $60 million, including a $38 million Series A in 2022, and
  draws engineering staff from SpaceX, Tesla and Boeing. Assembly runs a digital-twin
  engineering platform — a heavily scripted CATIA environment carrying each module from
  design through fabrication to installation — but that platform is an internal
  manufacturing tool, not a product: Assembly OSM sells buildings, and publishes no
  developer program, no public API, no SDK and no machine-readable API contract of any
  kind.
url: https://raw.githubusercontent.com/api-evangelist/assembly-osm/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
x-tier: profile
x-tier-reason: no-api-surface
specificationVersion: '0.23'
created: '2026-08-06'
modified: '2026-08-06'
tags:
- Company
- Construction
- Modular Construction
- Off-Site Manufacturing
- Prefabrication
- Real Estate
- Housing
- Architecture
- Digital Twin
- Sustainability
- Climate Tech
- Manufacturing
- New York
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/assembly-osm-domain-security.yml
- type: Website
  url: https://www.assemblyosm.com/
- type: Technology
  url: https://www.assemblyosm.com/technology
- type: Sustainability
  url: https://www.assemblyosm.com/sustainability
- type: Projects
  url: https://www.assemblyosm.com/buildings
- type: Contact
  url: https://www.assemblyosm.com/build-with-us-page
- type: Careers
  url: https://careers.assemblyosm.com/
- type: Team
  url: https://careers.assemblyosm.com/people
- type: StatusPage
  url: https://status.assemblyosm.com/
  description: Public Better Stack status page for assemblyosm.com. It monitors the
    corporate website only; no API or application service is listed.
- type: GitHubOrganization
  url: https://github.com/assemblyosm
  description: Organization exists (created 2019-11-12, contact dev@assemblyosm.com)
    but publishes zero public repositories and zero gists.
- type: PrivacyPolicy
  url: https://careers.assemblyosm.com/data-privacy
  description: Assembly OSM privacy notice published on the careers site; scoped to
    candidate personal data. No privacy policy is published on the corporate site.
- type: CookiePolicy
  url: https://careers.assemblyosm.com/cookie-policy
- type: LinkedIn
  url: https://www.linkedin.com/company/assemblyosm/
- type: Twitter
  url: https://x.com/assemblyosm
- type: Instagram
  url: https://www.instagram.com/assemblyosm/
- type: SecondaryMarket
  url: https://www.hiive.com/securities/assembly-osm-stock
- type: Lifecycle
  url: lifecycle/assembly-osm-lifecycle.yml
- type: LLMsTxt
  url: llms/assembly-osm-llms.txt
x-enrichment:
  date: '2026-08-06'
  status: minimal
  artifacts_added: 4
  pass: local-v1
x-coverage:
  state: none
  reason: not-a-software-company
  detail: >-
    Assembly OSM manufactures and stacks high-rise apartment buildings — its digital twin
    is a scripted CATIA environment used internally to drive its own fabrication line, not
    a product with an interface — so assemblyosm.com is an eleven-page Webflow marketing
    site where every spec path 404s, every /.well-known/* path returns "Invalid
    .well-known request", and the api./docs./developer./mcp. hosts that appear to resolve
    are a wildcard DNS record answering with the same Cloudflare 403 as a nonsense control
    subdomain.
  evidence:
  - url: https://www.assemblyosm.com/openapi.json
    status: 404
  - url: https://www.assemblyosm.com/llms.txt
    status: 404
  - url: https://www.assemblyosm.com/.well-known/agent-card.json
    status: 404
  - url: https://www.assemblyosm.com/.well-known/security.txt
    status: 404
  - url: https://api.assemblyosm.com/
    status: 403
  - url: https://zzz-nonsense-control.assemblyosm.com/
    status: 403
  - url: https://api.github.com/orgs/assemblyosm/repos
    status: 200
  - url: https://status.assemblyosm.com/
    status: 200
  checked: '2026-08-06'