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About this home
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.
Single-familyProperty Type
1985Year Built
1.81 acresLot Size
$778Price/Sq.Ft.
3 car garageParking
Listed by Renee White•DRE #01462315• Keller Williams Realty
bridgeMLS, Bay East AOR, or Contra Costa AOR #41128202
May 4, 2026
Price Changed
$2,850,000
$778/sq ft
Mar 23, 2026
Listed
$2,950,000
$806/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41025574
Oct 29, 2023
Listing Removed
—
Jul 26, 2023
Price Changed
*
Apr 28, 2023
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40240046
Feb 16, 2007
Sold
$1,750,000
$478/sq ft
Feb 2, 2007
Listed
$1,795,000
$490/sq ft
Feb 2, 2007
Listing Removed
—
+4
INCREDIBLE VALUE IN WC! PRIVATE ESTATE IN STUNNING SETTING SURROUNDED BY OPEN SPACE W/VIEWS TO DIE FOR! UNIQUE CLNGS, 2 TIER CRWN MLDG, HDWD FLRS, HUGE WINDWS, FRENCH GLASS DRS, IN-LAW SETUP, MASTER RETREAT W/FP, SPECTACULAR REAR YARD W/HUGE DECKS, FIREPIT, POOL, SPA, GAZEBO, VIEWS & MORE!
bridgeMLS, Bay East AOR, or Contra Costa AOR #40215449
Nov 13, 2006
Listing Removed
—
Oct 10, 2006
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40197914
Oct 8, 2006
Listing Removed
—
Aug 14, 2006
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40021085
Aug 5, 2004
Sold
$1,900,000
$519/sq ft
Jul 12, 2004
Listing Removed
—
Jun 11, 2004
Listed
$1,900,000
$519/sq ft
Public Records
Apr 6, 1992
Sold
$915,000
$250/sq ft
Public Records
Jul 22, 1985
Sold
$475,000
$130/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$26,689 (+2.3%)
$970,270 + $1,421,243
$2,391,513
2024
$26,083 (+1.6%)
$951,246 + $1,393,376
$2,344,622
2023
$25,683 (+0.9%)
$932,595 + $1,366,055
$2,298,650
2022
$25,460 (+10.6%)
$914,309 + $1,339,270
$2,253,579
2021
$23,025 (+6.8%)
$896,382 + $1,313,010
$2,209,392
2020
$21,563 (+4.8%)
$810,211 + $1,186,789
$1,997,000
2019
$20,571 (−3.1%)
$755,000 + $1,105,000
$1,860,000
2018
$21,232 (+6.7%)
$713,246 + $1,044,754
$1,758,000
2017
$19,890 (+0.9%)
$710,001 + $1,039,999
$1,750,000
2016
$19,714 (+12.6%)
$710,001 + $1,039,999
$1,750,000
2015
$17,501 (+2.3%)
$705,740 + $1,033,760
$1,739,500
2014
$17,114 (+17.7%)
$599,240 + $877,760
$1,477,000
2013
$14,546
$599,240 + $877,760
$1,477,000
2012
$14,546 (+7.1%)
$517,286 + $757,714
$1,275,000
2011
$13,584 (−18.5%)
$517,286 + $757,714
$1,275,000
2010
$16,675 (−2.3%)
$491,117 + $719,383
$1,210,500
2009
$17,070 (+0.7%)
$608,572 + $891,428
$1,500,000
2008
$16,954
$627,031 + $918,469
$1,545,500
Public record
Public record
Permits
Beds
4
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
1.81 Acres
Year renovated
1986
Finished Sq. Ft.
3,661
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,661
Year built
1985
Style
Single Family Residential
County
Contra Costa County
APN
1392900062
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Jan 30, 2010 • Final
Building/residential/al/alteration
Install a fireplace.
Remodel
Jan 30, 2010 • Final
Building/residential/p/pool
Work on a private heated pool.
Pool and hot tub
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
7% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Walnut Creek, CA • 94598
Average low and high temperatures (°F)
61
40
64
43
72
47
72
49
79
53
84
57
83
57
90
59
86
59
79
54
64
46
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
76/ 100
Good sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.1 hrs
4 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 725 Castle Rock Rd
$2,748,506
$101K under list price of $2.85M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $1.8M to $3.5M.