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About this home
Perched in the highly coveted Castro Valley Hills, 4683 Proctor Road stands as a masterfully designed, custom estate built in 2025. Spanning 4,216 SF of uncompromising contemporary living, this residence commands breathtaking Bay views from an expansive lot. Inside, soaring ceilings and rich wide-plank hardwood floors frame a multi-level open layout. The main floor boasts a European inspired chef's kitchen outfitted with modern appliances, oversized quartz waterfall island, and sleek minimal cabinetry. 5 distinct bedroom en-suites include a spectacular main-level primary retreat with an expansive balcony overlooking the Bay. Lower level serves as an entertainment hub and multi-generational haven. Anchored by a family room and culinary station with pre-installed gas and electric connections, 2nd primary suite, dedicated gym, and tea room. Designed for eco-conscious luxury, incorporating energy efficient solar panels, dual-zone HVAC systems and EV charging. Low maintenance landscaping gives way to panoramic California vistas across the bay. This custom estate presents a rare turn-key opportunity for discerning buyers seeking modern design, top-rated schools, impeccable views and an exceptional East Bay lifestyle.
Single-familyProperty Type
2025Year Built
10,690 sq ftLot Size
$617Price/Sq.Ft.
2 car garageParking
Listed by Karol Le•DRE #01366466• KW Bay Area Estates
Listed by Danny Luu•DRE #02083293• KW Bay Area Estates
Castro Valley Hills, located between Lake Chabot Regional Park and the Castro Valley BART station, is a hillside and residential Castro Valley neighborhood with winding ridge roads and broad East Bay views. The neighborhood’s character concentrates around the Redwood Road and Castro Valley Boulevard corridor, where independent eateries, small markets, and everyday services set a steady, local rhythm. Mid-century ranch homes and contemporary rebuilds share steep lots, decks, and terraced gardens. Trailheads and oak-lined streets shape an outdoors-forward routine. Chabot Cinema anchors movie nights, while The Bistro and Paradiso Restaurant keep the dining scene distinctly local. Commutes and weekend plans often pivot between BART, the park, and the hills’ quieter cul-de-sacs.
Provided by Walk Score and Local Logic
Market insights
4683 Proctor Rd · $2,600,000
DAYS ON MARKET
1 days
The average home goes pending in 15 days.
SALE-TO-LIST
109.9%
Most homes are selling 10% above list price.
LIST PRICE
$2,600,000
Median sale price in this area is $1,247,421. (52% lower than this home)
PRICE DROP
0 price drops
16% of homes in this area have had a price drop in the past month.
Property details
Interior
Exterior
Finance
Interior features
High ceilings
Walk-in closet
Bonus room
Great room
Office
Dining area in living room
Kitchen/family room combination
Separate family room
Two fireplaces
Bathrooms
5 full bathrooms
2 half bathrooms
Kitchen
Electric cooktop
Electric oven
Dishwasher
Exhaust fan
Microwave
Refrigerator
Wine refrigerator
Island with sink
Pantry
Quartz countertops
Flooring
Hardwood flooring
Heating & cooling
Central forced-air heating and cooling
Heating with 2 or more zones
Exterior features
Wood fencing
Back yard
Balcony/patio
Bay, hill, and valley views
Home design
Two stories
Modern/high-tech architectural style
Parking
Attached garage with 2 spaces
Construction
Shingle roof
Concrete perimeter foundation
Crawl space
Utilities
Public utilities
Public water
Public sewer
Solar
Level 2 electric vehicle hookup (240 volts)
Electricity and solar
View estimated energy costs and solar savings for this home
Perched in the highly coveted Castro Valley Hills, 4683 Proctor Road stands as a masterfully designed, custom estate built in 2025. Spanning 4,216 SF of uncompromising contemporary living, this residence commands breathtaking Bay views from an expansive lot. Inside, soaring ceilings and rich wide-plank hardwood floors frame a multi-level open layout. The main floor boasts a European inspired chef's kitchen outfitted with modern appliances, oversized quartz waterfall island, and sleek minimal cabinetry. 5 distinct bedroom en-suites include a spectacular main-level primary retreat with an expansive balcony overlooking the Bay. Lower level serves as an entertainment hub and multi-generational haven. Anchored by a family room and culinary station with pre-installed gas and electric connections, 2nd primary suite, dedicated gym, and tea room. Designed for eco-conscious luxury, incorporating energy efficient solar panels, dual-zone HVAC systems and EV charging. Low maintenance landscaping gives way to panoramic California vistas across the bay. This custom estate presents a rare turn-key opportunity for discerning buyers seeking modern design, top-rated schools, impeccable views and an exceptional East Bay lifestyle.
Public Records
Feb 1, 2022
Sold
$264,500
$63/sq ft
Public Records
Jun 4, 2021
Sold
$529,000
$125/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$15,532 (+6.0%)
$378,847 + $1,775,000
$2,153,847
2024
$14,659 (+38.9%)
$371,420 + $923,000
$1,294,420
2023
$10,557 (+62.6%)
$364,140 + $857,400
$1,221,540
2022
$6,495 (+141.4%)
$539,580
2021
$2,690 (+2.2%)
$539,580
2020
$2,631 (−1.9%)
$221,218
2019
$2,684 (+2.8%)
$218,951
2018
$2,610 (+2.6%)
$214,658
2017
$2,545 (+5.5%)
$206,324
2016
$2,413 (+6.8%)
$206,324
2015
$2,259 (+0.7%)
$202,280
2014
$2,244 (+0.3%)
$195,342
2013
$2,238 (+1.8%)
$195,342
2012
$2,199 (+1.3%)
$194,461
2011
$2,172
$190,649
2010
$186,910
Public record
Public record
Zoning
Permits
Beds
5
Baths
—
Stories
2
Lot width
—
Lot depth
—
Lot size
10,690 Sq. Ft.
Year renovated
2025
Finished Sq. Ft.
4,216
Unfinished Sq. Ft.
—
Total Sq. Ft.
4,216
Year built
2025
Style
Single Family Residential
County
Alameda County
APN
084D140300503
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 17, 2026.
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Jul 28, 2025 • Final
Building
Complete the construction of a new two-story single-family home. Work includes interior finishes, exterior decks and stairs, and the installation of a solar system. The home features five bedrooms, five and a half bathrooms, an attached garage, and multiple living areas.
Electrical
New construction
Solar
May 29, 2025 • Final
Building
Install a roof-mounted solar photovoltaic system with energy storage system batteries. Install a new electrical panel, a backup gateway, and new electrical circuits.
Battery
Electrical
Solar
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.
Local insights from Redfin agents
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.62% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 88° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Castro Valley, CA • 94546
Average low and high temperatures (°F)
63
43
64
46
71
49
69
49
73
53
74
54
75
57
79
57
79
60
77
54
65
48
61
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
93/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 4% for direct sun exposure in Castro Valley. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.6 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 4683 Proctor Rd
$2,605,190
$5,190 over list price of $2.60M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $1.4M to $1.9M.