- conflicts or gaps
- [[{"issue": "entercastle.com domain no longer reflects the original company", "detail": "Live site at http://entercastle.com (June 2025 fetch) serves unrelated 'Reddy Book' online cricket/gambling content; original Castle site is only available via archives (e.g. YCDB Wayback March 2016)", "source_urls": ["http://entercastle.com", "https://www.ycdb.co/company/castle-2"]}, {"issue": "Name collision with unrelated active company 'Castle' (castle.io)", "detail": "castle.io is a separate YC-backed fraud-prevention/security company (founded ~2015, founders Johan Brissmyr & Sebastian Wallin); frequently conflated in search results and databases", "source_urls": ["https://castle.io/about", "https://tracxn.com/d/companies/castle/__V4W4iMhTbEHlO2PITo9sjod4CuCietLmR11rV7lTl0k"]}, {"issue": "Total funding reported inconsistently", "detail": "Sources cite $2.12M (CB Insights), $2.75M (Model D Apr 2016), $3.3M (YCDB / Four and Half), and $4M (founder podcast); no single authoritative cap table publicly available", "source_urls": ["https://www.cbinsights.com/company/castle/financials", "https://modeldmedia.com/castleseedrounddetroit041016/", "https://www.ycdb.co/company/castle-2", "https://profitablepropertymanagement.libsyn.com/2018/10"]}, {"issue": "Employee and unit counts vary by source and date", "detail": "Headcount ranges from ~11–18 domestic employees; extended workforce (Philippines contractors, stewards) reported separately; units under management cited as 400–650+", "source_urls": ["https://www.ycombinator.com/companies/castle", "https://entercastle.com/jobs/", "https://fourandhalf.com/case-study-failure-castle-property-management/"]}, {"issue": "'Michigan's second-largest property management company' claim unverified", "detail": "Founder stated this on 2018 podcast; no independent ranking source confirms; major incumbents (e.g. Premier Property Management) operate at far larger scale", "source_urls": ["https://profitablepropertymanagement.libsyn.com/2018/10", "https://www.freep.com/story/sponsor-story/top-workplaces-detroit-2020/2020/11/09/premier-property-management-celebrates-top-workplace-honor/3747466001/"]}, {"issue": "Third-party database data quality problems", "detail": "Tracxn lists only $420K raised and omits CEO Max Nussenbaum as founder; Owler shows stale <10 employee estimate from 2016 era", "source_urls": ["https://tracxn.com/d/companies/castle/__06kYW3szMA6Tw4jM8y5O4g0ADt6oc6kkrck3vGSRViU", "https://www.owler.com/company/entercastle"]}, {"issue": "Planned geographic expansion did not materialize", "detail": "2016 press reported plans to expand beyond Detroit (candidates included Baltimore, Phoenix); company remained Detroit-focused and shut down before scaling nationally", "source_urls": ["https://modeldmedia.com/castleseedrounddetroit041016/", "https://techcrunch.com/2016/02/29/castle-is-a-property-management-platform-from-the-future/"]}]]
- source urls
- ["http://entercastle.com", "https://castle.io/about", "https://entercastle.com/jobs/", "https://fourandhalf.com/case-study-failure-castle-property-management/", "https://modeldmedia.com/castleseedrounddetroit041016/", "https://profitablepropertymanagement.libsyn.com/2018/10", "https://techcrunch.com/2016/02/29/castle-is-a-property-management-platform-from-the-future/", "https://tracxn.com/d/companies/castle/__06kYW3szMA6Tw4jM8y5O4g0ADt6oc6kkrck3vGSRViU", "https://tracxn.com/d/companies/castle/__V4W4iMhTbEHlO2PITo9sjod4CuCietLmR11rV7lTl0k", "https://www.candyforbreakfast.email/p/i-know-the-end", "https://www.candyforbreakfast.email/p/the-banality-of-real-estate", "https://www.cbinsights.com/company/castle", "https://www.cbinsights.com/company/castle/financials", "https://www.freep.com/story/sponsor-story/top-workplaces-detroit-2020/2020/11/09/premier-property-management-celebrates-top-workplace-honor/3747466001/", "https://www.owler.com/company/entercastle", "https://www.ycdb.co/company/castle-2", "https://www.ycombinator.com/blog/castle-yc-w16-is-a-tech-powered-rental-property-management-company", "https://www.ycombinator.com/companies/castle"]