Mosaic Building Group

Mosaic (Mosaic Building Group) is a full-stack construction technology company founded in 2017 and headquartered in Phoenix, Arizona. It is a national leader in build-to-rent residential construction and pre-development, pairing in-house software with local homebuilding partners to deliver personalized homes faster and at lower cost across Arizona and Texas. Its Mosaic Hub platform applies AI to construction planning and operations management. Backed by a16z (Series A lead) alongside Greylock, Innovation Endeavors, Founders Fund, Thrive Capital, SV Angel, and 8VC. Mosaic operates as a hybrid construction-plus-software business and does not publish a public developer API, developer portal, or API documentation at this time.

Mosaic Building Group is profiled on the APIs.io network. Tagged areas include Company, Construction Technology, Build-to-Rent, PropTech, and Real Estate.

🌐 Visit website 📡 Source on GitHub
6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyConstruction TechnologyBuild-to-RentPropTechReal EstateHomebuildingConstruction Management

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 6.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/mosaic-building-group: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Mosaic Building Group Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 3

The organization behind the API

Website
Website
 About
About
 Careers
Careers

Source (apis.yml)

apis.yml Raw ↑ 
aid: mosaic-building-group
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mosaic-building-group.png
name: Mosaic Building Group
description: Mosaic (Mosaic Building Group) is a full-stack construction technology company founded in 2017 and headquartered
  in Phoenix, Arizona. It is a national leader in build-to-rent residential construction and pre-development, pairing in-house
  software with local homebuilding partners to deliver personalized homes faster and at lower cost across Arizona and Texas.
  Its Mosaic Hub platform applies AI to construction planning and operations management. Backed by a16z (Series A lead) alongside
  Greylock, Innovation Endeavors, Founders Fund, Thrive Capital, SV Angel, and 8VC. Mosaic operates as a hybrid construction-plus-software
  business and does not publish a public developer API, developer portal, or API documentation at this time.
url: https://raw.githubusercontent.com/api-evangelist/mosaic-building-group/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Construction Technology
- Build-to-Rent
- PropTech
- Real Estate
- Homebuilding
- Construction Management
common:
- type: DomainSecurity
  url: security/mosaic-building-group-domain-security.yml
- type: Website
  url: https://mosaic.us/
- type: About
  url: https://mosaic.us/about-us
- type: Careers
  url: https://mosaic.us/careers
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1