Track new Redfin real estate listings automatically

Scrapes Redfin every few hours for listings matching your search and saves clean data to a spreadsheet with a Slack summary.

How the work actually flows

It branches. Every path runs; runs once per each listing found.

Pattern: Multiple Instances without Synchronization (12) ยท Parallel Split (2)

flowchart TD trig(["every few hours"]):::trigtime s0["Fetch search page"]:::task s1[["Extract listing data"]]:::mi s2["Filter invalid listings"]:::task trig --> s0 s0 -->|"one per each listing found"| s1 s1 --> s2 gx{"+ where to send results"}:::gate s2 --> gx p00["Save valid listings"]:::task gx -->|"Save to sheet"| p00 p10["Post Slack summary"]:::task gx -->|"Post Slack summary"| p10 p00 --> out p10 --> out out[/"Always current listings spreadsheet"/]:::out pay{{"Never miss a new listing"}}:::pay out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepRuns once per itemEvery pathResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
Messaging & NotificationsSpreadsheet & Database OpsWeb Scraping & Data CollectionReal Estate & Property
Connects
Google SheetsSlack

The problem it solves

Manually refreshing Redfin to catch new listings in your target market is tedious, and you'll still miss ones that go up between checks. Copying listing details into a spreadsheet by hand is slow and error-prone.

Who it fits

Real estate investors, agents, or analysts tracking listings in specific cities or ZIP codes.

How it works

  1. Runs automatically every few hours
  2. Fetches your target Redfin search page
  3. Extracts structured data for each listing: address, price, beds, baths, and status
  4. Filters out incomplete or invalid listings
  5. Saves valid listings to your spreadsheet and posts a Slack summary
What you get

Listings surfaced before other buyers notice

You get fresh Redfin listings matching your search pulled into a spreadsheet with a Slack summary every few hours.

What you get

An always-current spreadsheet of matching listings plus a Slack summary with the count and link.

What you need

A web scraping proxy service account, a Google account for Sheets, and a Slack workspace.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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