Automated CoStar New Listing and Comps Export
Every morning, WebRun opens CoStar, checks every saved search for new listings and comps since the last run, exports the full match list to Google Sheets with address, price, size, and cap rate, and drafts a client-ready email in Gmail highlighting the best matches so a broker can send it with a quick review instead of building it from scratch.
How do I export new CoStar listings that match my saved search criteria?
WebRun checks every saved search in CoStar each morning for new listings and comps, exports the full match list to Google Sheets with address, price, size, and cap rate, and drafts a client-ready email in Gmail highlighting the best matches. Every draft stays unsent, so a broker reviews and sends it rather than anything going out automatically.
- New matching listings are exported the same morning they post
- Clients get a ready-to-send email of the best new options
- Listings that go under contract stop appearing in the export
Built for commercial real estate brokers · CRE investment teams · leasing agents · real estate analysts
What does WebRun do on every run?
The exact actions WebRun takes, in order - in plain language, so you can adjust anything.
-
WebRun signs in and gets to work
Opens
www.costar.comin a real browser with your saved login - no setup, no API keys. -
1
CoStar - check new listings matching saved criteria
costar.com
WebRun opens CoStar to check new listings matching saved criteria. - Open CoStar and check every saved search for new listings and comps
- Capture the address, price, size, and cap rate for each new match
- Note which saved search each new listing matched
Done when Every new listing matching a saved search since the last run is captured.
-
2
Google Sheets - export the full match list
google.com
WebRun opens Google Sheets to export the full match list. - Export a row for each new matching listing with its full details
- Group rows by which saved search they matched
- Skip listings already exported in a prior run
Done when Every new match is exported to the sheet.
-
3
Gmail - draft a client email with the best matches
gmail.com
WebRun opens Gmail to draft a client email with the best matches. - Draft an email to the relevant client highlighting the best new matches
- Include the address, price, and size for each highlighted listing
- Leave every draft unsent in your Gmail drafts folder for review
Done when A draft client email exists for every client with new matches, unsent.
How is each run configured?
Secure by default
Connect once, stays signed in
WebRun signs in once and keeps each session in a persistent environment, so every run picks up right where it left off.
Every action is checked against this policy before it runs.
Questions, answered
Will it email the listings to my client without me?
No. WebRun only drafts the client email and leaves it unsent in Gmail. You review and send every message, so nothing reaches a client without your approval.
Does it check every saved search or just my main one?
It checks every saved search on the account each morning, so a niche property type or secondary market search is not overlooked in favor of your primary criteria.
What happens if a listing goes under contract?
It reads the live listing status in CoStar each morning, so a listing that has gone under contract is not exported or drafted into a client email in the next run.
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