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16800 Marsh Creek Rd Clayton, CA 94517
$1,899,000 5 beds, 5 baths
3, 025 sqft
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Aaron Khosh REALTOR® - Sales Associate 949-554-4155 m
949-554-4155 o
Lic#: 02020525
NRDS ID: 185060749
aaronkhosh@gmail.com
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Lic#: 02020525
NRDS ID: 185060749
aaronkhosh@gmail.com
Newport Beach Office
23 Corporate Plaza, Suite 100
Newport Beach, CA 92660
Phone: 949-644-6200
Fax: 949-640-7429
Newport Beach 23 Corporate Plaza, Suite 100
Newport Beach, CA 92660
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Fax: 949-640-7429
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Agent Remarks

Set behind a private gated entrance along the scenic Marsh Creek corridor, this 14.6-acre ranch estate carries a Clayton address but sits at the crossroads of Clayton and Brentwood, roughly 15 minutes from both downtowns, with easy access to shopping, dining, and commute corridors in either direction. The property is built for those who want land with real purpose. Usable acreage supports horses, livestock, or hobby farming, while rolling hillside terrain frames sweeping views and delivers the kind of natural privacy subdivisions simply cannot replicate. The barn is ready for horses or animals of any kind, with equestrian trail access to Round Valley Regional Park right outside your gate, complemented by a detached garage and storage shed. Inside the main house, 3 bedrooms, 3 bathrooms, and a flexible 4th room ideal as a second primary suite welcome you with rich acacia wood floors, soaring ceilings, a coffered formal dining room, and an open-concept kitchen and family room wrapped in custom cabinetry. Solar panels offset the cost of running a property this size. A brand new approximately 1,200 sq ft ADU, 2BD/1.5BA, full kitchen, laundry hookups, never occupied, offers rental income or multigenerational living that's rare at any price. As the day winds down, this property reveals another side of itself. Soft exterior lighting illuminates brand new retaining walls, the hills go quiet, and the wildlife that calls this land home, deer, wild turkeys, and songbirds, remind you exactly why you made the move. This is the kind of stillness that's nearly impossible to find. Acreage · Horse property · Equestrian · Barn · ADU · Gated · Solar · Mt. Diablo views · Round Valley trail access · Clayton CA · Brentwood CA · Contra Costa County · East Bay ranch

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# 41137217
List price is $1,899,000 Reduced by $100,988 on 7/15/2026
Beds: 5
Baths: 5 (4 full) (1 half)
Electric,Family Room,Living Room,Primary Bedroom fireplaces
Built in 2002
3,025 sqft
1 story
14.58 acres
Lot size: 14.5800
Subdivision: MARSH CREEK
County: Contra Costa
Interior features: Eat-in Kitchen
Appliances: Gas Water Heater,Water Softener,Dryer,Washer
Parking description: Garage,Garage Door Opener,Guest,RV Access/Parking
Lot description: Agricultural,Back Yard,Front Yard,Garden,Horse Property,Sprinklers Timer,Yard
Heating/cooling: Central Air
Heating description: Forced Air

Last Updated: 7/21/2026

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Lat/Long: 37.891013, -121.793496.
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Listing Agent: Anthony Arsondi
Lic#: 02020525
Office Name: Newport Beach

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Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

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Photo of Aaron Khosh

Aaron Khosh REALTOR® - Sales Associate 949-554-4155 m
949-554-4155 o
Lic#: 02020525
NRDS ID: 185060749
aaronkhosh@gmail.com
Text Me
Call My Cell
Call My Office
Lic#: 02020525
NRDS ID: 185060749
aaronkhosh@gmail.com

Newport Beach Office
23 Corporate Plaza, Suite 100
Newport Beach, CA 92660
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