Luxury Homes in Newcastle, CA

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Listing data & MLS disclosures

Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
MetroList: The data relating to real estate for sale on this site comes in part from the Broker Reciprocity/IDX program of MetroList Services, Inc. Information provided is thought to be reliable but is not guaranteed to be accurate; you are advised to verify facts that are important to you. No warranties, expressed or implied, are provided for the data herein, or for their use or interpretation by the user. MetroList Services does not create, control or review the property data displayed herein and take no responsibility for the content of such records. Federal law prohibits discrimination on the basis of race, color, religion, sex, handicap, familial status or national origin in the sale, rental or financing of housing. The information being provided is 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 measurements and all calculations of area (i.e., Sq Ft and Acreage) are approximate. Broker has represented to MetroList that Broker has a valid listing signed by seller authorizing placement in the MLS. Above information is provided by Seller and/or other sources and has not been verified by Broker. Information deemed reliable but not guaranteed. Copyright © 2026 MetroList Services, Inc.

Newcastle housing market

September 2026

Homes that sold · County records, as of Sep 29, 2026

Median sale price: $1,213,000$893,500–$1,607,500 typical range
Price per sq. ft.: $518
Sales: 11
Paid in cash: 18.2%

Homes on the market · MLS, as of Sep 27, 2026

Median list price: $1,548,500
Homes for sale: 20

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 2,228 sq. ft.

Newcastle, CA community profile

Area: 25.5 sq. mi.

Source: HJN community data

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Listing data & MLS disclosures

Newcastle housing market

Homes that sold · County records, as of Sep 29, 2026

Homes on the market · MLS, as of Sep 27, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Newcastle, CA community profile

Your local brokerage

Listing data & MLS disclosures

Newcastle, CA community profile

Newcastle housing market

Homes that sold · County records, as of Sep 29, 2026

Homes on the market · MLS, as of Sep 27, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026