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725 Castle Rock RdWalnut Creek, CA 94598

Single Family · 5 Beds · 3 Full Baths · 1 Partial Bath · 3,661 Sq. ft. | 1.81 Acres
$2,850,000 Active

725 Castle Rock Rd Overview

Time on Site:
98 days
Visits:
0

Expansive 5-bedroom custom Northgate home set on 1.81 acres with sweeping views from a private, elevated setting. Designed for single-level living, 4 bedrooms are on the main level, complemented by updated bathrooms & a 5th bedroom or bonus space with full bath downstairs. Large picture windows frame the views from the living room, creating a light-filled space with soaring ceilings, while the formal dining room connects through a butler’s pantry to the kitchen. The kitchen serves as a central gathering space with updated appliances, breakfast nook & walk-in + butler’s pantries, flowing into the family room, which offers a more relaxed setting. Hardwood floors, high ceilings & French doors contribute to the scale and natural light. The primary suite is privately positioned and features a fireplace, window seat, custom built-ins with concealed media storage, dual closets & a remodeled bath with an expansive vanity, freestanding tub & walk-in shower. Outdoor living is arranged across multiple distinct spaces, including a pool & spa set in a more private setting, expansive decking with seating and a fire pit, and a gazebo positioned to take in the surrounding views. Located near top-rated Northgate area schools, Boundary Oak Golf Course, Mt. Diablo trails, parks & shopping.

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725 Castle Rock Rd Facts & Features

  • Type Single Family
  • Sq. ft. 3,661
  • Price/Sq.ft. $778
  • Lot 1.81 Acres

Details

General

School Information

  • School District: Mount Diablo (925) 682-8000

Building Information

  • New Construction: false
  • Year Built: 1985

Location/Region

  • Country: US
  • County Or Parish: Contra Costa
  • Subdivision Name: NORTHGATE

General Information

  • Listing Terms: Cash,Conventional
  • Parcel Number: 1392900062
  • Property Condition: Existing
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 3
  • Garage: true

Beds/Baths

  • Bathrooms Full: 3
  • Bathrooms Partial: 1
  • Bathrooms Total: 4
  • Bedrooms Total: 5

Building Interior

  • Building Area Source: Public Records
  • Building Area Total: 3661
  • Building Area Units: Square Feet

General Information

  • Accessibility Features: None
  • Appliances: Dishwasher,Double Oven,Gas Range,Microwave,Trash Compactor,Gas Water Heater
  • Basement: Partial
  • Door Features: Mirrored Closet Door(s)
  • Electric: Other Solar
  • Fireplace Features: Family Room,Living Room,Master Bedroom
  • Fireplace: true
  • Fireplaces Total: 3
  • Flooring: Hardwood,Vinyl
  • Foundation Details: Raised
  • Interior Features: Au Pair,Dining Area,Family Room,Breakfast Bar,Pantry,Wet Bar
  • Laundry Features: Laundry Room
  • Levels: One Story
  • Living Area: 3661
  • Living Area Units: Square Feet
  • Rooms Total: 11
  • Spa Features: Heated
  • Spa: true
  • Stories: 1

Exterior

Parking Information

  • Parking Features: Attached,Int Access From Garage,Off Street,Parking Lot

Lot Information

  • Lot Features: Premium Lot
  • Lot Size Acres: 1.81
  • Lot Size Area: 1.81
  • Lot Size Square Feet: 78844
  • Lot Size Units: Acres
  • Water Source: Private

Waterfront/View

    Building Exterior/Construction

    • Architectural Style: Contemporary,Custom
    • Attached Garage: false
    • Construction Materials: Stone,Stucco
    • Roof: Shingle

    General Information

    • Carport: false
    • Covered Spaces: 3
    • Exterior Features: Back Yard,Front Yard,Garden/Play
    • Fencing: Fenced
    • Pool Features: Gas Heat,In Ground,Pool Cover,Pool Sweep,Solar Heat,Pool/Spa Combo
    • Pool Private: true
    • Sewer: Sewer System - Private

    725 Castle Rock Rd Neighborhood

    Community

    94598 (WALNUT CREEK) Demographics

    48
    Median Age
    1,751
    Population Density (per sq. mile)
    80%
    College Educated
    $156,280
    Estimated Median Income
    8,010
    Estimated Total Home Owners
    2,317
    Estimated Total Renters
    78% / 22%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    725 Castle Rock Rd Monthly Cost

    $
    $ %
    %
    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    725 Castle Rock Rd Market Data

    Based on the last 30 days in this zip code

    $1,567,585
    Average List Price
    $675
    Average Price per Square Foot
    26
    Properties Sold
    48
    Average Days on Market
    122
    Properties for Sale
    Calculations provided by Reliance Network

    725 Castle Rock Rd History

    Date Event Value Agent
    5/11/2026Source: bridgeMLS Status Change
    Active
    5/4/2026Source: bridgeMLS Price Reduction
    $2,850,000 -3.4%
    5/4/2026Source: bridgeMLS Status Change
    Price Change
    5/4/2026Source: CRMLS Price Reduction
    $2,850,000 -3.4%
    3/30/2026Source: bridgeMLS Status Change
    Active
    3/23/2026Source: CRMLS Added to Database
    March 23, 2026
    3/23/2026Source: bridgeMLS Added to Database
    March 23, 2026
    Listing provided courtesy of Keller Williams Realty- MLS# 41128202MLS Provider