Redfin Property & Valuation Data API · Live

Pull live Redfin data
in the time it takes
to read this sentence.

Property listings, Redfin Estimate valuations, climate risk scores, walk/transit/bike scores, sold comps, and Hot Homes/Compete Score data across the US housing market — structured and delivered as clean JSON or CSV.

See a Live Response

Redfin Estimate proprietary valuation model

<3s avg. response time

99.9% uptime SLA

50M+ requests / month served

GET /v1/redfin/properties

LIVE

// streaming a live listing pull...

Why Choose Our Redfin API

A listing price is one number. Redfin surrounds it with an estimate, a risk score, and a competition rating.

Redfin layers its own automated valuation (Redfin Estimate), climate risk scoring for flood/fire/heat exposure, walk/transit/bike scores, and a Compete Score reflecting how contested a listing is, on top of standard MLS data. Our infrastructure resolves each of these as explicit fields rather than a single asking-price summary.

01

Zero blocking, zero maintenance

We run rotating residential IPs, headless rendering, and CAPTCHA-solving behind every request. When Redfin changes its layout, we patch our parsers — your integration never breaks.

02

Redfin Estimate extraction

Every property response returns the Redfin Estimate valuation alongside the listed price, so the gap is explicit.

03

Climate risk & score resolution

We resolve flood, fire, and heat risk scores along with walk/transit/bike scores as structured fields per address.

04

Built for scale from day one

From a 100-listing test batch to full metro-wide monitoring, the same endpoint scales with you.

Redfin API Features

Everything you need to keep Redfin data flowing.

⚡

Real-time extraction

Trigger an on-demand pull for any listing, address, or market and get a fresh response — not a stale cache.

🧩

Custom field selection

Request only the fields you need — Redfin Estimate, climate risk, Compete Score — to cut payload size and parsing time.

💰

Redfin Estimate valuation extraction

Pull the platform's proprietary home valuation alongside listed and sold prices.

🌊

Climate risk score resolution

Return flood, fire, and heat risk scores tied to a specific address.

🚶

Walk/transit/bike score extraction

Resolve neighborhood walkability, transit access, and bikeability scores.

🔥

Hot Homes & Compete Score data

Flag Hot Homes designation and Compete Score reflecting listing competitiveness.

What Data Can You Access?

Every field a listing shows — valuation and risk detail included.

CoreProperty address & IDBed/bath count, property type, MLS ID

PricingList price & price/sqftAsking price and per-square-foot rate

ValuationRedfin EstimateProprietary automated valuation model figure

HistorySold price history & compsRecent comparable sales in the area

RiskFlood risk scoreProperty-level flood exposure rating

RiskFire & heat risk scoreWildfire and extreme-heat exposure rating

LivabilityWalk / Transit / Bike ScoreNeighborhood mobility scoring

DemandHot Homes designationFlag for listings likely to sell fast

DemandRedfin Compete ScoreListing competitiveness rating

AgentLow-commission agent flagRedfin Agent representation availability

MediaPhotos & 3D walkthroughImage gallery and virtual walkthrough link

StatusDays on marketListing age and status history

Supported Redfin Categories

For sale, sold, and rental listings — one integration.

Switch the category parameter to pull listings from a specific transaction type with the same consistent response shape.

🏠

For Sale

Active listings with Redfin Estimate and risk scores.

💵

Sold

Recent sale history and comps for a market.

🔑

Rentals

Rental listings across covered metro areas.

🔥

Hot Homes

Fast-moving listings flagged by demand signals.

CoverageUS-wideCoverage across major metro housing markets

RiskRisk-scoredClimate exposure resolved per address

FreshnessReal-timeListing and valuation data checked on every request

Redfin API Endpoints

A small set of endpoints that cover the whole listing lifecycle.

Method	Endpoint	Description	Typical use
GET	/v1/redfin/properties	For-sale property listings by city/ZIP & filters	Listing & price monitoring
GET	/v1/redfin/estimate	Redfin Estimate valuation for an address	Automated valuation benchmarking
GET	/v1/redfin/climate-risk	Flood, fire & heat risk scores by address	Climate risk research
GET	/v1/redfin/walk-scores	Walk/Transit/Bike Score by address	Livability & mobility research
GET	/v1/redfin/sold-comps	Recent sold comparable properties by area	Comparable sales analysis
GET	/v1/redfin/hot-homes	Hot Homes designation & Compete Score by listing	Demand intelligence
POST	/v1/redfin/bulk	Submit up to 10,000 listing IDs per batch job	Portfolio-wide monitoring

Live API Response Example

This is exactly what comes back. No extra parsing needed.

Popular Redfin API Use Cases

Built for the teams that live and die by Redfin data.

📈

Listing & price monitoring

Track live property listings and asking prices across metro markets.

🔍

Real estate market research

Analyze price trends, sold comps, and inventory across US cities.

💰

Valuation benchmarking

Compare Redfin Estimate against list price and sold comps to spot mispriced listings.

🌊

Climate risk research

Study flood, fire, and heat risk exposure trends across neighborhoods.

🚶

Livability & mobility analysis

Track walk/transit/bike score patterns across markets and price tiers.

🔥

Demand & competitiveness tracking

Monitor Hot Homes designations and Compete Score trends over time.

🏆

Competitive benchmarking

Compare listing coverage and pricing against Zillow, Realtor.com, and others.

🧭

ML training data

Generate labeled listing, valuation, and risk datasets for pricing models.

How the Redfin API Works

From API key to structured data in five steps.

1

Get your API key

Sign up and generate a key from your dashboard in under two minutes.

2

Choose an endpoint

Pick /properties, /estimate, /climate-risk or /walk-scores depending on what you need.

3

Send the request

Call the endpoint with an address, ZIP code, or listing ID.

4

We handle the hard part

Proxies, headless rendering, CAPTCHA-solving, and parsing all happen behind the scenes.

5

Receive structured data

Get clean JSON or CSV back in seconds, ready to drop into your pipeline.

Developer-Friendly Integration

Built by people who read the docs too.

One consistent JSON schema across every category and every endpoint. No SDK lock-in — plain REST calls work from any language or platform.

→

Predictable REST design

Standard HTTP verbs, query params, and status codes — nothing proprietary to learn.

→

JSON, CSV, or webhook delivery

Get results inline, as a downloadable file, or pushed to your endpoint when a batch job finishes.

→

Sandbox & test keys

Free sandbox environment with sample listing IDs so you can build before you pay.

→

Postman collection & SDK snippets

Import a ready-made collection or copy request snippets for Python, Node.js, and cURL.

Quickstart

API Performance & Reliability

Numbers we publish because we track them daily.

99.9%

Uptime SLA

<3s

Avg. response time

99.3%

Successful extraction rate

10K+

Concurrent requests supported

Security & Compliance

Compliant by design, not as an afterthought.

🔒

Encrypted in transit

All requests and responses travel over TLS 1.2+. API keys can be scoped and rotated anytime.

⚖️

CCPA & US state-level alignment

Our extraction workflows are built around CCPA and other US state data protection guidelines.

🌐

Public-data-only policy

We collect only publicly accessible listing data — never login-gated contact details or payment information.

✓ISO 9001:2015 Certified ✓ISO/IEC 27001:2013 Certified ✓IAF Multilateral Recognition ✓GDPR-aligned workflows

API Documentation & Resources

Everything to go from key to production.

Guide

Quickstart Guide

Get your first API response back in under five minutes.

Read guide →

Reference

Full API Reference

Every endpoint, parameter, and response field documented in detail.

View reference →

Tool

Postman Collection

Import ready-made requests for every Redfin API endpoint.

Download →

Code

SDKs & Code Samples

Python, Node.js, PHP, and Ruby snippets for every use case.

Browse samples →

Frequently Asked Questions

Still deciding? Here's what most teams ask first.

We collect only publicly accessible listing data using automated tools, following publicly available web-data guidelines. We recommend reviewing your own use case with legal counsel, especially for redistribution.

Every request to /properties and /estimate triggers a live pull — you're not reading from a stale cache. Bulk jobs complete within minutes depending on batch size.

Yes — the /estimate endpoint returns Redfin's proprietary automated valuation for a given address, alongside the list price and recent sold comps for comparison.

Yes — the /climate-risk endpoint returns flood, fire, and heat risk scores, and /walk-scores returns Walk Score, Transit Score, and Bike Score for a given address.

Our infrastructure retries automatically across a rotating proxy pool. You're only billed for successfully returned responses.

Yes, every account starts with a free sandbox key and sample credits so you can test all endpoints before committing to a plan.

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Pull live Redfin data
in the time it takes
to read this sentence.