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AI agents

Castle

Castle manages rental homes for landlords using automation and on-demand labor. We find tenants, collect rent, and coordinate maintenance, allowing owners to kick back, relax, and never worry about their rental properties again. Owners either have to deal with this whole mess themselves, or spend 10% of their rental income on a traditional property management company that requires constant supervision and is often incentivized to act against the owner’s best interest. There are 43 million rental

sources
2
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #3668

Instantly stop automated and human-originated account takeovers, fake accounts, and any behavior that violates your platform policies.

source

Y Combinator

yc-company-directory #3721

Castle manages rental homes for landlords using automation and on-demand labor. We find tenants, collect rent, and coordinate maintenance, allowing owners to kick back, relax, and never worry about their rental properties again. Owners either have to deal with this whole mess themselves, or spend 10% of their rental income on a traditional property management company that requires constant supervision and is often incentivized to act against the owner’s best interest. There are 43 million rental

source
generated read
High Signal interpretation

Castle is classified as AI agents from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
automationownerstenantson-demand laborlandlords
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Castle

AI agents · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Houm

match 81

Houm is an all-in-one real estate marketplace that helps landlords find tenants, collect rent, and manage their properties in Latam.

shared extracted concepts: tenants, landlords; shared product terms: manage, landlord, find, tenant; shared affiliation: Y Combinator

Wand Solar

match 65

Wand Solar enables Solar Revenue for Income Properties owners. By empowering landlords to sell solar energy directly to tenants, we make it a no-brainer for landlords to adopt solar energy.

shared extracted concepts: tenants, landlords; shared product terms: landlord, tenant, owner, propertie; shared affiliation: Y Combinator

Watson

match 60

Watson makes rent rewarding. We enable landlords to offer their residents cash back on rent, along with deals for local and online merchants. Landlords get increased leasing velocity and tenant retention. Renters get a way to build equity by paying rent. Neighborhood businesses get local, sustained traffic. Online brands get exposure to movers with high spending intent. Our vision is a more equitable housing model for 100mm renters, landlords, and neighborhood businesses.

shared extracted concepts: landlords; shared product terms: landlord, tenant, rent, back

You Got Listings

match 59

You Got Listings is an all-in-one apartment Marketing Platform for brokerages and management companies. Founded in 2009, You Got Listings through innovation and automation has helped push over 3 Million properties in front of prospect renters. We are here to provide the rentals industry with the most comprehensive online marketing solution.

shared extracted concept terms: automation; shared product terms: rental, automation, propertie, management; shared product theme: workflow automation; same category: AI agents; shared affiliation: Y Combinator

Viya

match 53

We make living in city centers affordable in LATAM. We offer room and apartment leases paired with seamless services (cleaning, maintenance, laundry, dry cleaning) to make our tenant's lives less hectic. With a current MRR at $60k growing 20% weekly for last 3 months with margins tracking 40%. Team is from MIT with background in real estate looking to improve rental experience for tenants and owners with technology.

shared extracted concept terms: owner, tenant; shared product terms: rental, tenant, maintenance, owner; shared affiliation: Y Combinator

Netta

match 32

The platform that helps you manage your rental property and advances rents receivable.

shared product terms: manage, rental, property, rent