Robert Costello

California REALTOR® DRE# 02140946

eXp Realty of Southern California, Inc. CA DRE#02187306

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About Robert Costello

Hello everyone, my name is Robert Costello, and I'm a licensed California REALTOR brokered by eXp Realty of Southern California. My passion is seeing my clients feel a sense of fulfillment when they get their new home. I always do my best to help families or first-time home buyers with the best service possible, so buying their home won't feel like a challenge.

If you're thinking about selling, I'll be happy to assist you in setting a value for your home for free!

If you have any questions, please don't hesitate to send me a text or give me a call at (760) 265-4306

*Please leave a voicemail so I know it’s not a spam call

Areas We Cover

eXp Realty of Southern California, Inc. CA DRE#02187306

10620 Treena St, Ste 230
San Diego, CA 92131

760-265-4306

Should you require assistance in navigating our website or searching for real estate, please contact our offices at 888-294-1415.

CA License # DRE# 02140946

eXp Realty of Southern California, Inc. DRE#02187306

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MLS® Disclaimer

Based on information from California Regional Multiple Listing Service, Inc. as of September 21, 2026 12:39 PM UTC This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

Based on information from September 21, 2026 12:39 PM UTC The information being provided by CRMLS is for the visitor's personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by CRMLS, CLAW, i-Tech MLS, PSRMLS and/or VCRDS and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.

Any property information referenced on this website comes from the Internet Data Exchange (IDX) program of CRMLS. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g.square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego MLS. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright.Compilation © 2026 San Diego MLS. Last Updated: September 21, 2026 12:33 PM UTC Show More...

Last updated: September 21, 2026 12:33 PM UTC Property Information © 2026 MLSListings Inc. All rights reserved. Listing information is deemed reliable but not guaranteed. The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListingsTM MLS system. Real estate listings held by brokerage firms other than eXp Realty of Southern California, Inc. CA DRE#02187306 are marked with the Internet Data Exchange and detailed information about them includes the names of the listing brokers and listing agents. The information being provided by CARETS (CLAW, CRISNet MLS, DAMLS, CRMLS, i-Tech MLS, and/or VCRDS) is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange (IDX) program of CARETS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CARETS, CLAW, CRISNet MLS, DAMLS, CRMLS, i-Tech MLS and/or VCRDS and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. CARETS, California Real Estate Technology Services, is a consolidated MLS property listing data feed comprised of CLAW (Combined LA/Westside MLS), CRISNet MLS (Southland Regional AOR), DAMLS (Desert Area MLS), CRMLS (California Regional MLS), i-Tech MLS (Glendale AOR/Pasadena Foothills AOR) and VCRDS (Ventura County Regional Data Share) Show More...

The information being provided by Conejo Simi Moorpark Association of REALTORS ® ("CSMAR") is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange ("IDX") program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. 2026 Show More...

The MLS™ I-Tech ® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Multiple Listing Service. Real estate listings held by brokerage firms other than eXp Realty of Southern California, Inc. CA DRE#02187306 may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. Copyright ©2026 All rights reserved. Last Updated: September 21, 2026 12:37 PM UTC Show More...

The information being provided by Lake Havasu Association MLS is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the Lake Havasu Association MLS. eXp Realty of Southern California, Inc. CA DRE#02187306 is not a Multiple Listing Service (MLS), nor does it offer MLS access. This website is a service of eXp Realty of Southern California, Inc. CA DRE#02187306, a broker participant of Lake Havasu Association MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information, regardless of source, including but not limited to open house information, square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by Lake Havasu Association MLS and is protected by all applicable copyright laws. Any unauthorized dissemination of this information is in violation of copyright laws and is strictly prohibited. Copyright 2026 Lake Havasu Association MLS. All rights reserved. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All information is deemed reliable, but not guaranteed. This data is provided by the Lake Havasu Association MLS. Data last updated: September 21, 2026 12:31 PM UTC Show More...

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By proceeding, I am electronically signing and consenting to receive marketing communications (about real estate brokerage services and one or more properties that I may buy, sell, or rent), that may be delivered to me via email, telephone and/or text messaging (using "automated technology" such as an automatic telephone dialing system, and/or an artificial or prerecorded voice), from eXp Realty® and its independent contractor real estate professionals using the contact information I provided. Your consent is not a condition of purchase and you may revoke it at any time by replying to any of our texts to opt-out, unsubscribing via email, or contacting us directly at the email or telephone number listed on this website.

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* I consent to receive communications in accordance with the terms below. By proceeding, I am electronically signing and consenting to receive marketing communications (about real estate brokerage services and one or more properties that I may buy, sell, or rent), that may be delivered to me via email, telephone and/or text messaging (using "automated technology" such as an automatic telephone dialing system, and/or an artificial or prerecorded voice), from eXp Realty® and its independent contractor real estate professionals using the contact information I provided. Your consent is not a condition of purchase and you may revoke it at any time by replying to any of our texts to opt-out, unsubscribing via email, or contacting us directly at the email or telephone number listed on this website.

By proceeding, I am electronically signing and consenting to receive marketing communications (about real estate brokerage services and one or more properties that I may buy, sell, or rent), that may be delivered to me via email, telephone and/or text messaging (using "automated technology" such as an automatic telephone dialing system, and/or an artificial or prerecorded voice), from eXp Realty® and its independent contractor real estate professionals using the contact information I provided. Your consent is not a condition of purchase and you may revoke it at any time by replying to any of our texts to opt-out, unsubscribing via email, or contacting us directly at the email or telephone number listed on this website.

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* I consent to receive communications in accordance with the terms below. By proceeding, I am electronically signing and consenting to receive marketing communications (about real estate brokerage services and one or more properties that I may buy, sell, or rent), that may be delivered to me via email, telephone and/or text messaging (using "automated technology" such as an automatic telephone dialing system, and/or an artificial or prerecorded voice), from eXp Realty® and its independent contractor real estate professionals using the contact information I provided. Your consent is not a condition of purchase and you may revoke it at any time by replying to any of our texts to opt-out, unsubscribing via email, or contacting us directly at the email or telephone number listed on this website.

By proceeding, I am electronically signing and consenting to receive marketing communications (about real estate brokerage services and one or more properties that I may buy, sell, or rent), that may be delivered to me via email, telephone and/or text messaging (using "automated technology" such as an automatic telephone dialing system, and/or an artificial or prerecorded voice), from eXp Realty® and its independent contractor real estate professionals using the contact information I provided. Your consent is not a condition of purchase and you may revoke it at any time by replying to any of our texts to opt-out, unsubscribing via email, or contacting us directly at the email or telephone number listed on this website.

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