RentCast

Access 140+ million US property records, home value and rent estimates, active listings, and market statistics via the RentCast API.

Features

• Property Records - Beds, baths, sqft, lot size, year built, sale history for 140M+ US properties
• Home Value Estimates - Automated valuation model (AVM) with comparable properties
• Rent Estimates - Monthly rent projections with comparable rentals
• Sale Listings - Active and recent property sale listings
• Rental Listings - Long-term rental property listings
• Market Statistics - Aggregate market data and trends by zip code

Setup

1. Get Your API Key

Sign up for a free account at RentCast Developer Portal.

The free tier includes 50 API requests per month.

2. Configure Environment

Add to your .env file:

RENTCAST_API_KEY=your_api_key_here

3. Test Connection

opencode run "test rentcast connection"

Available Tools

| Tool | Description | |------|-------------| | rentcast-test-connection | Test API connection and configuration status | | rentcast-get-properties | Search property records by address, location, or criteria | | rentcast-get-property-by-id | Get a specific property by RentCast ID | | rentcast-get-random-properties | Get random property records for testing | | rentcast-get-value-estimate | Get home value estimate (AVM) | | rentcast-get-rent-estimate | Get rent estimate for a property | | rentcast-get-sale-listings | Search active sale listings | | rentcast-get-sale-listing-by-id | Get a specific sale listing | | rentcast-get-rental-listings | Search rental listings | | rentcast-get-rental-listing-by-id | Get a specific rental listing | | rentcast-get-market-statistics | Get market stats for a zip code |

Example Queries

# Property lookup
opencode run "get property data for 5500 Grand Lake Dr, San Antonio, TX 78244"

# Home valuation
opencode run "get home value estimate for 123 Main St, Austin, TX 78701"

# Rent estimate
opencode run "get rent estimate for a 3 bedroom single family home in Denver, CO"

# Search listings
opencode run "find sale listings in Miami, FL under $500,000 with 3+ bedrooms"

# Market research
opencode run "get market statistics for zip code 90210"

Address Format

Always use the format: Street, City, State, Zip

Examples:

• 5500 Grand Lake Dr, San Antonio, TX 78244
• 123 Main Street, Austin, TX 78701

State should be a 2-letter abbreviation (TX, CA, FL, etc.)

Property Types

Supported property types for filtering:

• Single Family
• Condo
• Townhouse
• Manufactured
• Multi-Family
• Apartment
• Land

Range Filters

Many parameters support ranges and multiple values:

# Ranges
bedrooms: "2-4"          # 2 to 4 bedrooms
price: "200000-500000"   # $200k to $500k
yearBuilt: "1990-2020"   # Built between 1990-2020

# Multiple values
bedrooms: "2,3,4"        # 2, 3, or 4 bedrooms

Data Coverage

• Properties: 140+ million US records
• Residential Coverage: 96%+
• Commercial (5+ units): 90%+
• Update Frequency: Weekly

Pricing

| Plan | Requests/Month | Price | |------|----------------|-------| | Developer | 50 | Free | | Paid Plans | Varies | See pricing |

FAQ

How do I get an API key? Sign up at https://app.rentcast.io/app/api - free accounts include 50 requests/month.

How current is the data? Property records are updated approximately weekly. Listings reflect current market conditions.

What's included in a property record? Address, location (lat/long), property type, beds, baths, sqft, lot size, year built, last sale price/date, tax assessment, and more.

How accurate are the value estimates? RentCast uses an automated valuation model (AVM) based on comparable sales. Results include confidence ranges and the comparable properties used.

Links

• RentCast API Documentation
• RentCast Pricing
• Developer Dashboard