Need help contacting LoopNet customer service about an account, login issue, billing question, listing problem, advertising package, property inquiry, subscription concern, or complaint? This page lists verified LoopNet support options and explains how to contact official support before leaving a public review.
LoopNet Customer Service Contact Information
LoopNet provides customer support through its official support phone number, help email, contact form, account-support resources, broker and owner help, tenant help, investor help, and advertising-sales team. LoopNet is part of CoStar Group, a commercial real estate information and marketplace company.
- LoopNet customer service phone number: 1-800-613-1303
- LoopNet support email: Help@LoopNet.com
- LoopNet phone support: Monday-Friday, 7:30 AM-8:00 PM, according to the current LoopNet support page
- LoopNet email support: Monday-Friday, 7:30 AM-8:00 PM, with additional Saturday email support listed as 9:00 AM-6:00 PM
- Advertising consultant phone number: 833-399-6604
- Advertising consultant hours: Monday-Friday, 9am-8pm ET
- Advertising email: adsolutions@loopnet.com
- Official website: LoopNet.com
- LoopNet contact page: LoopNet Contact Us
- LoopNet Help Center: LoopNet Help Center
- LoopNet support contact form: LoopNet Support Contact
- Parent company: CoStar Group
- CoStar Group headquarters: 1201 Wilson Blvd, Arlington, VA 22209
Choose the Correct LoopNet Support Route
LoopNet support issues can involve account access, billing, subscriptions, commercial property listings, listing advertising, property questions, brokers, owners, tenants, investors, and marketplace visibility. Use the official route that matches your issue and avoid posting private account, billing, property, or contract details in a public review.
Account Login or Access Problems
For LoopNet login problems, account access, password issues, access-denied messages, profile questions, or trouble reaching your LoopNet account, call 1-800-613-1303, email Help@LoopNet.com, or use the official support contact form.
Billing, Subscription, or Account Charges
For billing questions, subscription issues, invoices, renewals, advertising charges, or cancellation questions, use LoopNet customer support. Have your account email, company name, billing contact, invoice details, and any prior case information ready before contacting support.
Property Listing Questions
If your issue involves a property listing, listing status, listing edits, missing information, photos, incorrect property details, broker/owner account access, or listing visibility, use the official LoopNet support route. Have the property address, listing link, company name, and listing details available.
Advertising or Marketing Packages
Commercial real estate owners, brokers, and marketing teams interested in advertising on LoopNet can contact LoopNet advertising sales at 833-399-6604 or email adsolutions@loopnet.com. Review any advertising terms, billing terms, and package details directly with LoopNet before purchasing.
Broker or Owner Help
For broker or owner issues involving listing management, advertising, lead routing, property marketing, photos, data, or account tools, use the broker/owner help resources linked from the LoopNet Help Center.
Tenant or Investor Help
For tenant or investor questions about using LoopNet to search for commercial property, save searches, contact brokers, research listings, or inquire about a property, use the tenant or investor help resources linked from the LoopNet Help Center.
Suspicious Listings, Payments, or Real Estate Scams
If a listing, email, payment request, broker contact, wire instruction, rental request, investment pitch, or property document seems suspicious, verify it through official LoopNet support and independent professional sources before sending money or documents. CustomerServiceNumbers.com cannot verify listings, brokers, leases, ownership, investments, or real estate transactions.
Information To Have Ready Before Contacting LoopNet
Having the right information ready can help LoopNet route your issue more quickly.
- Your LoopNet account email address
- Company name or brokerage name, if applicable
- Property address or listing URL
- Listing ID or advertising account details, if available
- Invoice number, billing date, or subscription detail for billing questions
- Screenshot of an error message, if requested by official support
- Browser or device details for login or technical issues
- Names of support representatives or case numbers from prior contact
- A short timeline of what happened
Common Reasons Customers Contact LoopNet
Customers may contact LoopNet customer service for help with:
- Login problems or access-denied messages
- Account setup or account recovery
- Billing, invoices, renewals, or subscription questions
- Advertising package questions
- Listing edits or property information updates
- Property photos, listing visibility, or listing status
- Broker, owner, tenant, or investor help
- Commercial property inquiries
- Lead routing or contact-form issues
- Suspicious listings, payment requests, or property-related messages
- LoopNet complaints about account access, billing, listings, or support response
Commercial Real Estate, Billing, and Scam Safety Reminder
LoopNet is a commercial real estate marketplace and advertising platform. CustomerServiceNumbers.com cannot verify property ownership, broker licensing, lease terms, sale terms, investment claims, listing accuracy, advertising performance, or billing disputes.
Do not send wire transfers, deposits, sensitive documents, tax records, bank information, business records, or identity documents based only on an email, text, ad, marketplace message, or phone call. For legal, leasing, financing, brokerage, title, escrow, zoning, contract, investment, or tax questions, use the appropriate licensed professional or official source.
How To Escalate a LoopNet Complaint
If your first contact with LoopNet does not resolve your issue, follow up through official support with a clear timeline. Include your account email, company name, listing URL, billing details, invoice number, case number, screenshots if requested, and the specific resolution you are seeking.
- Start with LoopNet customer support at 1-800-613-1303 or Help@LoopNet.com.
- Use the LoopNet support contact form if you need written support routing.
- For advertising or listing package questions, contact the advertising team at 833-399-6604.
- For billing or subscription issues, save invoices, renewal notices, cancellation confirmations, and support responses.
- For real estate, legal, broker, contract, escrow, leasing, financing, or investment questions, contact the appropriate licensed professional or official agency.
LoopNet Reviews and Complaints on CustomerServiceNumbers.com
As of this update, this CSN page has 1 published review for LoopNet with an overall rating of 3.0 out of 5 stars. The visible review is an older 2015 comment about a frustrating login/access-denied issue and difficulty finding contact information.
Because there is only 1 published review on this CSN page, it should be treated as an individual user-submitted experience, not a complete summary of all LoopNet customers, listings, billing issues, advertising packages, brokers, owners, tenants, or investors.
Review Moderation and Privacy Reminder
CustomerServiceNumbers.com moderates reviews for profanity, spam, and personal information. When leaving a LoopNet review, describe your experience clearly, but do not post private account, billing, property, business, lease, or contract details.
Do not include passwords, login details, account numbers, billing details, invoice numbers, payment information, private listing data, lease documents, purchase contracts, wire instructions, broker disputes with private identifying details, screenshots showing account information, phone numbers, email addresses, home addresses, business addresses, or other sensitive information in a public review.
Related Customer Service Resources
Customers researching real estate, business listings, B2B platforms, and property-related support may also find these related CustomerServiceNumbers.com pages useful: Zillow customer service, Manta customer service, Grainger customer service, and HON customer service.
If you are researching an unfamiliar subscription, advertising, marketplace, or billing descriptor, visit ChargeOnMyCard.com. For scam warnings involving fake property listings, suspicious broker messages, payment requests, or business-email scams, visit ThinkItsAScam.com. You can also share broader company reviews at ZeroStars.org.
LoopNet Customer Service FAQs
What is the LoopNet customer service number?
The verified LoopNet customer service number is 1-800-613-1303.
What is the LoopNet customer support email?
LoopNet lists Help@LoopNet.com for support questions.
What are LoopNet support hours?
LoopNet lists phone support Monday-Friday, 7:30 AM-8:00 PM, email support Monday-Friday, 7:30 AM-8:00 PM, and additional email support Saturday, 9:00 AM-6:00 PM. Check LoopNet’s official contact page for current availability and time-zone details.
Who do I contact to advertise on LoopNet?
LoopNet lists advertising consultant support at 833-399-6604, Monday-Friday, 9am-8pm ET. LoopNet also lists adsolutions@loopnet.com for advertising questions.
Who owns LoopNet?
LoopNet is part of CoStar Group, a commercial real estate information and online marketplace company.
Where is LoopNet headquartered?
LoopNet is part of CoStar Group. CoStar Group lists its global headquarters at 1201 Wilson Blvd, Arlington, VA 22209.
Can CustomerServiceNumbers.com help me fix a LoopNet login or billing issue?
No. CustomerServiceNumbers.com is an independent review and contact-information site. For account access, billing, subscription, listing, advertising, or property questions, contact LoopNet directly through official support.
Is CustomerServiceNumbers.com affiliated with LoopNet?
No. CustomerServiceNumbers.com is an independent consumer information site and is not affiliated with LoopNet or CoStar Group. For account, billing, listing, advertising, property, legal, real estate, or contract support, contact LoopNet or the appropriate professional directly.
Share Your LoopNet Customer Service Experience
If you have contacted LoopNet customer service, had a login issue, managed a listing, asked about advertising, disputed a billing issue, contacted support about a property, or tried to resolve a LoopNet complaint, share your experience below. Please keep your review factual and avoid posting private account, billing, listing, property, lease, contract, or contact information.
Page Update Note: This LoopNet customer service page was updated on July 3, 2026, to reflect current official support contact information, advertising-sales routing, updated support hours, CoStar Group ownership and headquarters context, commercial real estate privacy reminders, and CSN review-status guidance.
Customer Service Numbers Disclaimer
CustomerServiceNumbers.com is a consumer-driven platform focused on customer service contact information, complaints, reviews, and user experiences. This website is not affiliated with LoopNet or CoStar Group. Contact details are provided for informational purposes and should be verified through the company’s official website before you rely on them. LoopNet does not provide customer support through this page. For account access, billing, subscriptions, listings, advertising, property inquiries, commercial real estate, leasing, broker, legal, financing, investment, escrow, or contract matters, contact LoopNet or the appropriate official/professional resource directly.
