CalAtlantic Group

CalAtlantic Group was a U.S. homebuilder formed on October 1, 2015 through the merger of Standard Pacific Homes and Ryland Homes. Headquartered in Arlington, Virginia, it became the fourth largest homebuilder in the United States before being acquired by Lennar Corporation in February 2018, which made Lennar the nation's largest homebuilder. CalAtlantic no longer operates as an independent entity and does not offer public APIs or developer resources.

CalAtlantic Group is profiled on the APIs.io network. Tagged areas include Construction, Defunct, Homebuilders, Real Estate, and Residential.

6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
ConstructionDefunctHomebuildersReal EstateResidential

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/calatlantic-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 →

Press 5

Recent news and press coverage referencing this provider.

Lennar acquires Irvine's CalAtlantic in $5.7 billion merger

2026-05-25

Lennar Completes Strategic Combination with CalAtlantic

2026-05-25

Lennar Makes Deal for CalAtlantic as Home Builders Face ...

2026-05-25

Ryland/Standard Pacific merger complete as trading ...

2026-05-25

Lennar buys CalAtlantic to become largest U.S. homebuilder

2026-05-25

Resources

Company 2

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: calatlantic-group
name: CalAtlantic Group
url: https://raw.githubusercontent.com/api-evangelist/calatlantic-group/refs/heads/main/apis.yml
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/calatlantic-group.png
type: Index
tags:
- Construction
- Defunct
- Homebuilders
- Real Estate
- Residential
created: '2024-01-01'
modified: '2026-04-23'
specificationVersion: '0.19'
description: CalAtlantic Group was a U.S. homebuilder formed on October 1, 2015 through the merger of Standard Pacific Homes
  and Ryland Homes. Headquartered in Arlington, Virginia, it became the fourth largest homebuilder in the United States before
  being acquired by Lennar Corporation in February 2018, which made Lennar the nation's largest homebuilder. CalAtlantic no
  longer operates as an independent entity and does not offer public APIs or developer resources.
apis: []
common:
- type: LinkedIn
  url: https://www.linkedin.com/company/calatlantic-homes
- type: Website
  url: https://www.calatlantic-group.com
- type: Wikipedia
  url: https://en.wikipedia.org/wiki/CalAtlantic_Homes
- type: Acquirer
  url: https://www.lennar.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com