# 677 Castlehill Drive, Walnut, CA 91789 > **TL;DR:** 4bd/5ba single family, $1,200,000 ($414/sqft), built 2026, 2,900 sqft. > Fireplace, View, A/C, 2-car garage. Est. $6,418/mo. Listed 7 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $1,200,000 | | Price/sqft | $414 | | Bedrooms | 4 | | Bathrooms | 4 full, 1 half | | Square Feet | 2,900 | | Year Built | 2026 | | Lot Size | 13,525 sqft (0.31 acres) | | Stories | 2 | | Garage | 2-car | | Property Type | Single Family (Single Family Residence) | | Status | Active | | Days on Market | 7 | ## Why This Home Stands Out - **Views** - Hills, City ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $6,068 | | Estimated Insurance | $350 | | **Total** | **$6,418** | ## Key Amenities - Fireplace - View - A/C - 2-car garage ## Property Highlights - Built in 2026 - 0.31 acre lot - 2 stories - 2 parking spaces - Fireplace ## Description ### Agent Description FORECLOSURE HOME - Don't Miss This Opportunity to Make This BRAND-NEW CUSTOM LUXURY HOME WITH BREATHTAKING CITY-LIGHT VIEWS Your Home Sweet Home! Discover this exceptional brand-new custom home on a premium 13,000+ sq. ft. lot in the highly desirable City of Walnut. Offering 2,900 sq. ft. of living space, 4 bedroom suites, and 4.5 bathrooms, this stunning residence features high-quality craftsmanship, sophisticated finishes, soaring ceilings, and an open-concept design. The impressive gourmet kitchen features an upgraded backsplash, stainless steel appliances, elegant cabinetry, quartz countertops, a large center island, and soft-closing drawers, opening seamlessly to the dining and spacious family room with fireplace. Expansive windows showcase panoramic city-light and rolling-hill views. The main level includes a private ensuite bedroom and powder room, ideal for guests or multigenerational living. Upstairs, the luxurious primary suite offers a freestanding soaking tub, walk-in shower, and oversized walk-in closet. Two additional bedroom suites each have their own bathrooms, plus a versatile loft perfect for an office or study area. The oversized garage features epoxy flooring, ample storage, and direct access. The expansive backyard offers stunning views and potential for an ADU or additional outdoor living space, subject to city requirements. A rear street provides added access and flexibility. Located in the highly regarded Walnut Valley Unified School District, this exceptional home is close to shopping, dining, entertainment, major freeways, and everyday conveniences. A rare opportunity to own a brand-new custom luxury home on an oversized lot with spectacular views and no HOA or MELLO-ROOS! Call Watson Gan for more details or to schedule a showing. ## Location - **Address:** 677 Castlehill Drive, Walnut, CA 91789 - **County:** Los Angeles ## Listing Agent - **Name:** Watson Gan · **License:** 01320297 - **Brokerage:** eXp Realty of California, Inc. - **Broker Phone:** (888) 584-9427 ## Photos ![677 Castlehill Drive - Photo 1](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2832155568r.jpg) ![677 Castlehill Drive - Photo 2](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f416043479r.jpg) ![677 Castlehill Drive - Photo 3](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2150675687r.jpg) ![677 Castlehill Drive - Photo 4](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f317453134r.jpg) ![677 Castlehill Drive - Photo 5](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2766193978r.jpg) ![677 Castlehill Drive - Photo 6](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2304259285r.jpg) ![677 Castlehill Drive - Photo 7](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1269502874r.jpg) ![677 Castlehill Drive - Photo 8](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3404735847r.jpg) ![677 Castlehill Drive - Photo 9](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1104147129r.jpg) ![677 Castlehill Drive - Photo 10](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f502475734r.jpg) ![677 Castlehill Drive - Photo 11](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f97127221r.jpg) ![677 Castlehill Drive - Photo 12](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f4252862008r.jpg) ![677 Castlehill Drive - Photo 13](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2078441352r.jpg) ![677 Castlehill Drive - Photo 14](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1248304805r.jpg) ![677 Castlehill Drive - Photo 15](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1892392073r.jpg) ![677 Castlehill Drive - Photo 16](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1878134190r.jpg) ![677 Castlehill Drive - Photo 17](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1644567283r.jpg) ![677 Castlehill Drive - Photo 18](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f195648841r.jpg) ![677 Castlehill Drive - Photo 19](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2080733142r.jpg) ![677 Castlehill Drive - Photo 20](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2601156115r.jpg) ![677 Castlehill Drive - Photo 21](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1838249641r.jpg) ![677 Castlehill Drive - Photo 22](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f365827666r.jpg) ![677 Castlehill Drive - Photo 23](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f346193283r.jpg) ![677 Castlehill Drive - Photo 24](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3241288061r.jpg) ![677 Castlehill Drive - Photo 25](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2871501300r.jpg) ![677 Castlehill Drive - Photo 26](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1203926117r.jpg) ![677 Castlehill Drive - Photo 27](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2905497688r.jpg) ![677 Castlehill Drive - Photo 28](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3844136770r.jpg) ![677 Castlehill Drive - Photo 29](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1216168939r.jpg) ![677 Castlehill Drive - Photo 30](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3111878240r.jpg) ![677 Castlehill Drive - Photo 31](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f238480695r.jpg) ![677 Castlehill Drive - Photo 32](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1737304413r.jpg) ![677 Castlehill Drive - Photo 33](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2929641029r.jpg) ![677 Castlehill Drive - Photo 34](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1760201780r.jpg) ![677 Castlehill Drive - Photo 35](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f953208834r.jpg) ![677 Castlehill Drive - Photo 36](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3680477431r.jpg) ![677 Castlehill Drive - Photo 37](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1744269289r.jpg) ![677 Castlehill Drive - Photo 38](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2913210043r.jpg) ![677 Castlehill Drive - Photo 39](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1723291999r.jpg) ![677 Castlehill Drive - Photo 40](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f3123115645r.jpg) ![677 Castlehill Drive - Photo 41](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f2219897584r.jpg) ![677 Castlehill Drive - Photo 42](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1384253789r.jpg) ![677 Castlehill Drive - Photo 43](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f507507999r.jpg) ![677 Castlehill Drive - Photo 44](http://lh.rdcpix.com/5ce33edac0381196531b2fa40e147d38l-f1827762681r.jpg) --- **MLS#:** AR26229293 | **Updated:** 2026-10-27 **Source:** listhub *Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://www.propertysimple.ai/listing/677-castlehill-drive-walnut-ca-91789-68f60f27ccb7435182e7fd74403c9b0a) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/677-castlehill-drive-walnut-ca-91789-68f60f27ccb7435182e7fd74403c9b0a#listing", "url": "https://www.propertysimple.ai/listing/677-castlehill-drive-walnut-ca-91789-68f60f27ccb7435182e7fd74403c9b0a", "name": "677 Castlehill Drive, Walnut, CA 91789", "description": "FORECLOSURE HOME - Don't Miss This Opportunity to Make This BRAND-NEW CUSTOM LUXURY HOME WITH BREATHTAKING CITY-LIGHT VIEWS Your Home Sweet Home! Discover this exceptional brand-new custom home on a premium 13,000+ sq. ft. lot in the highly desirable City of Walnut. Offering 2,900 sq. ft. of living space, 4 bedroom suites, and 4.5 bathrooms, this stunning residence features high-quality craftsmanship, sophisticated finishes, soaring ceilings, and an open-concept design. The impressive gourmet kitchen features an upgraded backsplash, stainless steel appliances, elegant cabinetry, quartz countertops, a large center island, and soft-closing drawers, opening seamlessly to the dining and spacious family room with fireplace. Expansive windows showcase panoramic city-light and rolling-hill views. The main level includes a private ensuite bedroom and powder room, ideal for guests or multigenerational living. Upstairs, the luxurious primary suite offers a freestanding soaking tub, walk-in shower, and oversized walk-in closet. Two additional bedroom suites each have their own bathrooms, plus a versatile loft perfect for an office or study area. The oversized garage features epoxy flooring, ample storage, and direct access. The expansive backyard offers stunning views and potential for an ADU or additional outdoor living space, subject to city requirements. A rear street provides added access and flexibility. Located in the highly regarded Walnut Valley Unified School District, this exceptional home is close to shopping, dining, entertainment, major freeways, and everyday conveniences. A rare opportunity to own a brand-new custom luxury home on an oversized lot with spectacular views and no HOA or MELLO-ROOS! 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