Rental Housing On Line

What Rental Housing On Line does

Rental Housing On Line, Inc. operates a long-running niche content and community platform serving the U.S. rental-housing ecosystem. Founded in 1978 as a bulletin-board-service operation and migrated to the web in 1991, the company maintains a portfolio of specialty web properties (Casacollectives.com, SSWWorks.net, manyapartments.com, SiteFinders.com, VacancyList.net, and others) targeting landlords, tenants, property managers, real estate investors, and social-service professionals working with housing clients. The platform offers editorial content, opinion columns, moderated discussion forums, a free vacancy-listing service, and CSEU-branded e-learning courses.

The underlying technology stack is a legacy PHP and Classic ASP web platform, with no recent platform or AI investments documented. The firm's commercial infrastructure sits in CornerStone Electronic Services, a separate subsidiary entity (CES) that provides web, e-commerce, and BBS-services to clients alongside the editorial operation. Operating offices are located in Boothwyn, PA and North Las Vegas, NV. The company is privately held and bootstrapped, with no institutional funding disclosed.

The revenue model is primarily subscription-based, anchored by an annual membership that unlocks enhanced content features, supplemented by free vacancy listings and free-access editorial content. There is no public disclosure of pricing, traffic, or membership count, and no evidence of paid advertising inventory, B2B contracts, or enterprise-tier offerings.

Name

Rental Housing On Line

Legal name

Corner Stone Electronic Services LLC

Website

https://rental-housing.com

Company type

Private

Founded year

1991

Operating status

Operating

Short description

Rental Housing On Line is a long-running niche content, community, and listing platform serving U.S. landlords, tenants, property managers, real estate investors, and social-service professionals through subscription, advertising, and e-learning products.

Ownership category

akta.pro rank

Product category

Rental Housing Information Services

NAICS

Residential Property Managers (531311)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Residential Lease Administration & Tenant Services (BPAJAFAL)

Keywords

• Rental housing information
• Landlord tenant law
• Tenant screening services
• Income property education
• Property management resources

Headquarters

HQ city

Newport Beach

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Annual Membership Subscriptions: Full access to all content and many features requires a supporting membership for an annual fee. Members receive access to comprehensive landlord tenant law summaries, e-courses with certificates, property management web content, financing information, tax guidance, and advanced forms and agreements.
2. VacancyList.net Listings: Landlords can list current vacancies and upcoming vacancies on the platform. The service offers free listing for landlords to post vacancies while tenants search for free.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Rental Housing On Line provides a subscription-based online information and education platform for the rental housing market. Members access an encyclopedic content library covering tenant screening, property management, evictions, landlord-tenant law, taxation, financing, and investment topics, along with certificate-based e-Courses, state-specific legal summaries, a landlord-tenant forms library, mortgage calculators, discussion forums, and vacancy listings. Free content and VacancyList.net drive traffic, with full feature access unlocked via an annual supporting membership.

Product overview

Rental Housing On Line is a comprehensive content and education platform operated by CornerStone Electronic Services. The platform consists of a network of specialized web portals and tools serving landlords, tenants, property managers, real estate investors, and housing professionals. The core offerings include the CornerStone Electronic University (CSEU) e-learning platform providing certificate courses, the main Rental Housing On Line informational website with various topic-specific resources, and specialized portals (Invest Web, Manage Web, Rental Web, Landlords Web, Property Managers Web, Tenants Web, Real Estate Investors Web). Additional services include VacancyList.Net for vacancy listings, a Forms and Agreements library, mortgage calculators, and discussion forums. The platform operates on a membership model where full access requires a paid annual subscription.

Differentiator

Problem solved

Functional benefit

Products and services

• CornerStone Electronic University (CSEU) e-Courses An e-Learning platform offering certificate courses for landlords, tenants, property managers, and real estate investors. Courses include Income Property Basics, Buying & Selling Income Property, Valuing Income Property, Managing Income Property, Buying Foreclosures, Evictions, and Collecting Judgments. Each completed course awards a Certificate of Course Completion.
• VacancyList.Net A vacancy listing service on the Rental Housing On Line network that allows landlords to list current and upcoming vacancies for free while tenants search for rental housing for free, functioning as a freemium entry point that converts users into paying members.
• Rental Housing On Line Website The main web platform providing encyclopedic information and services for landlords, tenants, property managers, real estate investors, and housing professionals, including tools for tenant screening, legal forms, landlord-tenant law summaries, vacancy listings, discussion forums, and educational content. Full access requires an annual supporting membership.

Quantifiable outcome

• Two-thirds of Rental Housing On Line visitors are tenants, indicating broad market appeal across the rental housing ecosystem

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• State and Local Rental Housing AssociationscoreStrategic or Co-development Partner · 1 January 1978Cornerstone Management Company principals have been active in their state and local rental housing associations since 1978. Rental Housing On Line originated as a Computer BBS to provide local landlord association members access to tenant screening information and eviction lists. The company maintains relationships with rental housing associations for content development and member referrals.

Scale indicators4 records

Recent moves6 records

Expansion highlights2 records

Direct peers

• Avail: Landlord software platform providing tenant screening, leases, rent collection, and maintenance tools for DIY landlords. Comparable to RHOL's landlord toolset (forms, screening information, state law summaries) but delivered as workflow software rather than information content.
• BiggerPockets: Online community and content platform for real estate investors and landlords offering education, forums, calculators, and tools. Directly comparable to RHOL's investor/landlord education and community-led model, with overlapping e-courses, articles, and membership offerings.
• PadMapper: Apartment and rental listing aggregator serving tenants and landlords. Directly comparable to RHOL's VacancyList.net in connecting tenants with rental listings, though PadMapper focuses exclusively on listings rather than the broader landlord-tenant content and education offering.
• RentRedi: Landlord software platform offering tenant screening, leases, rent collection, and maintenance coordination. Comparable to RHOL in targeting independent landlords with screening, forms, and education, but as a workflow application rather than a content site.
• Nolo: Legal self-help publisher offering state-specific landlord-tenant law summaries, legal forms, and how-to articles. Closely comparable to RHOL's Landlord Tenant Law Center, Forms and Agreements library, and consumer-facing legal information model.
• Rentler: Rental listing and tenant screening platform serving landlords and property managers. Overlaps with RHOL's VacancyList.net listing service and tenant screening information offerings, targeting the same SMB landlord audience.
• LegalZoom: Online legal services company providing legal forms, document creation, and informational content for small businesses and consumers. Comparable to RHOL in delivering standardized landlord-tenant forms and accessible legal information on a subscription/transactional basis.
• TurboTenant: End-to-end property management platform for independent landlords offering free applications, screening, leases, and rent collection. Overlaps directly with RHOL's landlord value proposition (forms, screening info, education) and competes for the same SMB landlord segment.

Broad incumbents

• Zillow: Broad real estate marketplace and information platform serving buyers, sellers, renters, and landlords. Comparable in being a top-of-funnel information destination for rental-housing questions, though its scale, advertising model, and breadth far exceed RHOL's niche content focus.
• Apartments.com: Major apartment-listing marketplace operated by CoStar Group serving renters and property managers. Overlaps with RHOL's VacancyList.net as a rental-housing discovery channel, though at significantly greater scale and with a more property-manager-centric business model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rental Housing On Line