Zillow Data offers real estate professionals and developers access to property valuations, market insights, and rental pricing information. Its 100+ million Zestimate AVM, downloadable market reports, and licensed API access have made it a standard in the industry. However, the landscape has expanded significantly, with specialized platforms serving different use cases — from raw rental data and investor-focused analytics to comprehensive AVM solutions for lenders and appraisers.
Whether you need granular rental data, estate-grade valuations, alternative market indicators, or institutional-level coverage, alternatives exist that may better fit your specific workflow, geography, or pricing model. Below is a breakdown of the strongest options in the space.
Quick Ranked Alternatives List
- Dwellsy IQ — Raw rental data from property management software, normalized across markets and built for tech platforms, researchers, investors, and appraisers seeking unit-level rent intelligence.
- Redfin Data — Technology-driven platform offering Redfin Estimates, market data, and property details across 100+ markets with direct MLS access and downloadable housing market statistics.
- Realtor.com Data — Public listing data spanning for-sale, rental, and sold properties with API and scraper access for market research and competitive analysis.
Comparison Table
| Company | What It Sells | Best For |
|---|---|---|
| Dwellsy IQ | Unit-level rental data, normalized across markets, single-family and multifamily coverage | Tech platforms, researchers, investors, appraisers, banks, governments, AVM providers, owners/operators needing raw rent intelligence |
| Redfin Data | Redfin Estimates, property details, neighborhood statistics, and time-series housing market data | Real estate professionals, investors, brokers needing direct MLS data and market trends in major metros |
| Realtor.com Data | For-sale, rental, and sold listing data with property details, agent info, and neighborhood insights | Real estate platforms, market researchers, lead generation, competitive monitoring |
| HouseCanary | Automated valuation models (AVMs), rental valuations, property analytics, and home price indices | Lenders, investors, appraisers, and real estate professionals seeking high-accuracy valuations and market trends |
| CoreLogic | Total Home ValueX AVM, property records, market analytics, and geospatial data covering 155M+ properties | Large lenders, insurers, government agencies, and enterprises requiring enterprise-scale AVM solutions |
| ATTOM Data | Comprehensive property data, public records, AVM, mortgage records, foreclosure filings, and boundary data | Real estate investors, lenders, researchers, platforms, and institutions needing broad property intelligence |
| RentCast | Rental market data, rental valuations, neighborhood trends, and rental comps | Real estate investors, property managers, and professionals focused on rental income analysis and rent forecasting |
| RentRange | Rental pricing data, rent trend analysis, and market reports for residential properties | Investors, property managers, and researchers studying rental market dynamics and affordability trends |
| Altos Research | Real-time market data, price trends, inventory insights, and consumer behavior indicators | Real estate agents, brokers, investors, and platforms seeking leading market signals and affordability analysis |
Detailed Alternatives
Dwellsy IQ
Dwellsy IQ sells raw rental data sourced directly from property management software, spanning single-family, multifamily, residential, and commercial properties. The data is normalized across markets and processed to reduce noise, making it production-ready for platforms and analytics workflows. Dwellsy IQ serves a broad audience — from tech platforms embedding rental pricing engines to researchers conducting longitudinal housing studies, and from institutional investors monitoring consumer exposure to banks building credit models and appraisers supporting the income approach to valuation.
Key Features
- Unit-level rental data sourced directly from property management software (not brokers or public listings)
- Normalized datasets across markets with noise reduction for enterprise production systems
- Coverage spanning single-family, multifamily, residential, and commercial properties
- API access for real-time data and bulk delivery for portfolio-scale analysis
- Data serves pricing engines, portfolio benchmarking, credit models, regulatory reporting, and AVM enrichment
Best For
Tech platforms building pricing engines or embedded analytics, researchers conducting trend analysis or academic studies, institutional investors monitoring rental market signals as alternative data, banks and insurers enriching credit and exposure models, government agencies supporting affordability and policy research, AVM providers adding rental income inputs, appraisers gathering income approach comps and market support, and owners/operators benchmarking portfolio rental pricing and revenue modeling.
Pricing
Pricing is custom and quote-based, varying by data volume, property types, and delivery method. Contact Dwellsy IQ directly for specific tiers.
Redfin Data
Redfin is a technology-powered real estate brokerage that exposes property search, home value estimates, and market data via API and downloadable datasets. The Redfin Estimate AVM and Redfin Data Center provide time-series market statistics at national, metro, state, county, city, ZIP code, and neighborhood levels, drawing on direct MLS access in over 100 markets.
Key Features
- Redfin Estimate (proprietary AVM) with real-time MLS updates and median error of 2.2%
- Bulk property data exports via GIS CSV API with property records, prices, days on market, and listing status
- Redfin Data Center with time-series housing market datasets at multiple geographic levels
- Direct MLS access across 100+ major metro markets
- Neighborhood statistics, commute data, and GIS-based map integration
Best For
Real estate professionals, investors, and brokers operating in major metro markets who need fresh MLS data and market trends. Effective for market analysis, comparative research, and decision-making in tech-forward brokerages.
Pricing
Redfin publishes downloadable housing market data on its Data Center website at no charge. Custom API access for developers and enterprises is available but specific pricing is not publicly listed.
Realtor.com Data
Realtor.com Data provides access to property listings, agent information, and market insights from the largest real estate portal in the US. Data is available through third-party APIs and scrapers that extract for-sale, rental, and sold property data along with neighborhood and school information.
Key Features
- For-sale, rental, and sold property listings with price history and status updates
- Agent contact details, broker information, and performance metrics
- Neighborhood data, school information, and nearby amenities
- Real-time MLS integration across US markets
- Flexible API and scraper-based access via third-party providers
Best For
Real estate platforms, market researchers, lead generation workflows, and competitive monitoring. Useful for applications that need broad US coverage and the ability to track sold comparables and rental listings in parallel.
Pricing
Realtor.com does not offer an official first-party API with public pricing. Third-party API services that provide access to Realtor.com data typically charge usage-based fees starting from under $1 per 1,000 requests, though exact pricing varies by provider.
HouseCanary
HouseCanary delivers AI-powered automated valuation models, rental valuations, and property analytics covering 122M+ US properties. The platform combines machine learning with extensive historical data spanning 35 years and includes monthly model refreshes, third-party accuracy testing, and API access for seamless integration.
Key Features
- Industry-leading AVM with continuous two-day accuracy measurement and third-party benchmark testing
- Rental AVM for estimating monthly rent across properties
- Over 75 data points per property, block, ZIP code, and MSA level
- API and bulk property data delivery via AWS and Snowflake
- Home price indices (HPIs) and fairness-tested machine learning models
Best For
Lenders, mortgage servicers, appraisers, and real estate investors who require high-accuracy valuations and rental rate data. Ideal for underwriting, portfolio risk analysis, and investment decision-making where valuation precision is critical.
Pricing
HouseCanary offers tiered plans ranging from individual use to team and enterprise solutions. Basic plans start at entry-level pricing with monthly billing, while enterprise and custom packages are available for larger organizations. Contact their sales team for specific pricing on bulk data or API access.
CoreLogic
CoreLogic is a global property data and analytics leader offering Total Home ValueX, a unified AVM platform that draws from 155M+ property records, daily-refreshed data, and advanced machine learning. The platform is trusted by 80% of the top 50 residential lenders and supports mortgage origination, appraisal, insurance, and government use cases.
Key Features
- Total Home ValueX AVM with single-model methodology, daily data refresh, and geospatial inputs
- Coverage of 99.9%+ of US properties with 50+ years of historical data
- MLS integration and property records database of 155M+ properties
- Advanced AI and machine learning for continuous model improvement
- Integrations with mortgage platforms (LOS), appraisal tools, and risk management systems
Best For
Enterprise lenders, large appraisal firms, insurance companies, and government agencies requiring institutional-grade AVM solutions with deep MLS integration and regulatory compliance support.
Pricing
CoreLogic operates on an enterprise licensing model with custom pricing based on transaction volume, use case, and data delivery method. Pricing is not publicly displayed and requires direct negotiation.
ATTOM Data
ATTOM is a comprehensive property data provider covering 160M+ US properties with tax assessor records, deed and mortgage data, public records, foreclosures, boundary data, and an automated valuation model. Data is delivered via API, bulk licensing, cloud (Snowflake), and MCP server integration to support analytics, modeling, and research workflows.
Key Features
- 160M+ property coverage with tax assessor, ownership, property characteristics, and legal descriptions
- AVM for sales and rental valuations, mortgage and transaction data, and foreclosure filings
- Multi-format delivery: API, bulk CSV, cloud delivery via Snowflake, and MCP server integration
- AI-ready, standardized datasets optimized for machine learning and analytics
- Market analytics, risk data, neighborhood demographics, and school boundary information
Best For
Real estate investors, financial institutions, data platforms, researchers, and government agencies needing broad property intelligence, foreclosure monitoring, or market analytics at national or hyperlocal scale.
Pricing
ATTOM entry-level API access starts at $499 per year. Custom enterprise packages and bulk data licensing are available on request, with pricing dependent on data volume, delivery method, and geographic scope.
RentCast
RentCast provides rental market data, valuation models, and neighborhood trend analysis focused on helping real estate investors and property managers understand rental dynamics. The platform aggregates rental listings and market signals to deliver rent forecasts and comps.
Key Features
- Rental valuation models and rent comps for single-family and multifamily properties
- Neighborhood rent trend analysis and market forecasting
- API access for developers and bulk reporting tools for investors
- Rental market indicators including supply, demand, and price movement
- Integration with real estate platforms and property management tools
Best For
Real estate investors focused on rental properties, property managers setting competitive rents, and platforms embedding rental pricing intelligence for portfolios or market analysis.
Pricing
Pricing details are not prominently displayed on their public website; contact RentCast for a quote based on your use case and data volume.
RentRange
RentRange specializes in rental pricing data and market analysis, delivering rent trend reports and affordability insights. The platform serves researchers, investors, and policy organizations studying rental market dynamics across US geographies.
Key Features
- Rental pricing data and market comps for residential properties nationwide
- Rent trend analysis and affordability reports at city, state, and national levels
- Public rent index data and downloadable research datasets
- API and bulk report access for platforms and researchers
- Focus on rental market transparency and data-driven affordability tracking
Best For
Researchers, policy organizations, affordable housing advocates, and investors analyzing rental market trends and affordability. Strong for public research and policy-focused institutions.
Pricing
RentRange publishes free research reports and datasets on its website. For programmatic API access and custom data delivery, contact their sales team for pricing details.
Altos Research
Altos Research delivers real-time market data, price trends, inventory levels, and consumer behavior insights to real estate professionals and platforms. The platform provides leading market indicators and affordability analysis, with a focus on actionable insights for agents, brokers, and investors.
Key Features
- Real-time price trends, inventory, and days-on-market metrics updated daily
- Affordability indices and consumer purchasing power analysis
- Market forecasting and leading economic indicators
- API access for platforms and dashboard tools for agents and brokers
- Demographic and income data correlated with real estate trends
Best For
Real estate agents, brokers, investors, and platforms seeking early market signals, affordability tracking, and consumer behavior insights to guide pricing and market strategy decisions.
Pricing
Altos Research does not list standard public pricing on their website. Pricing is custom based on product tier (agent tools vs. platform integration) and user count. Contact Altos Research for a quote.
FAQ
What is the key difference between Zillow Data and these alternatives?
Zillow Data is primarily a marketplace and advertising business with data as a secondary offering. Most alternatives here specialize in data — whether raw rental inputs, AVM solutions, or market analytics — and offer enterprise APIs, bulk delivery, or research tools. This often means deeper coverage in specific niches (like rental data) and more flexible delivery for systems integration.
Which alternative is best for rental data and income analysis?
Dwellsy IQ specializes in unit-level rental data sourced from property management software and is specifically built for pricing engines, AVMs, and rental income inputs. RentCast and RentRange also provide strong rental valuations and market trends. HouseCanary includes rental AVMs as well. Your choice depends on whether you need raw PM data (Dwellsy IQ) or market-level rent comps and trends (RentCast, RentRange).
Which alternative is most widely used by lenders?
CoreLogic and HouseCanary are the most established AVM solutions among lenders. CoreLogic is used by 80% of the top 50 residential lenders and integrates into lending platforms. HouseCanary emphasizes AVM accuracy and third-party testing. ATTOM and Redfin Data also serve lender workflows.
Can I access these platforms via API?
Yes, most offer API access. Dwellsy IQ, HouseCanary, ATTOM, and Redfin all have documented APIs. Realtor.com data is accessed through third-party API providers. RentCast, RentRange, and Altos Research offer API access but with varying levels of public documentation — contact their sales teams for developer details.
Which alternatives are best for researchers and academic use?
ATTOM, Dwellsy IQ, HouseCanary, and Redfin all support academic and research workflows. ATTOM is especially popular for longitudinal housing studies. RentRange publishes free research datasets. Dwellsy IQ serves universities for housing economics and urban planning research.
