For sale

Price cut: $100K (8/2)

$999,998

21671 Shadyspring Rd, Castro Valley, CA 94546

3beds

1,632sqft

$6,865/mo

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Residential, Single Family Residence

Built in 1976

7,296 Square Feet Lot

$983,500 Zestimate^®

$613/sqft

$-- HOA

What's special

Fabulous castro valley viewsHardwood floorsUpgraded kitchenInside laundry

Huge Price Reduction! Now Professionally Painted, Staged and ready for Immediate Occupancy! Come Check Out this move-in-ready showplace! Fabulous Castro Valley VIEWS! Upgraded kitchen & bathrooms, inside laundry. Hardwood floors. Low maintenance Professionally landscaped, yards. Large party deck off the kitchen-family room is sure to provide countless hours for creating lots of happy memories with family and friends! Just minutes from downtown Castro Valley, BART, both Eden and Kaiser Medical Centers, two International Airports, three Universities and thousands of High Tech, high paying Job Opportunities! If you saw this one before the mid-June upgrades, Come Check this out again! You won't be sorry. PLUS ask me about the 30 year fixed rate financing with below Market Interest Rate, with as low as 3% Down, (or more...) No Mortgage insurance and a $7500 Credit for Buyer's Closing Costs !!

145 days

2,122

92

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 3
Full bathrooms: 2
Partial bathrooms: 1

Rooms

Room types: 0.5 Bath, 3 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Main Entry, Basement, Eat-In Kitchen, Game Room, Laundry

Kitchen

Features: 220 Volt Outlet, Stone Counters, Dishwasher, Eat-in Kitchen, Disposal, Gas Range/Cooktop, Oven Built-in

Heating

Forced Air, Natural Gas, Central

Cooling

No Air Conditioning

Appliances

Included: Dishwasher, Gas Range, Oven, Gas Water Heater
Laundry: Inside, Common Area

Features

Flooring: Hardwood, Linoleum, Carpet
Windows: Window Coverings
Basement: Crawl Space
Number of fireplaces: 1
Fireplace features: Family Room, Free Standing, Gas, Metal

Interior area

Total structure area: 1,632
Total interior livable area: 1,632 sqft

Video & virtual tour

Property

Parking

Total spaces: 4
Parking features: Attached, Direct Access, Parking Spaces, Garage Faces Front, Garage Door Opener
Garage spaces: 2

Accessibility

Accessibility features: Stair Lift

Features

Levels: Two
Stories: 2
Patio & porch: Terrace, Deck, Patio
Pool features: None
Fencing: Fenced
Has view: Yes
View description: City Lights, Hills, Valley

Lot

Size: 7,296 Square Feet
Features: Premium Lot, Sloped Up, Back Yard, Curb(s), Front Yard, Landscaped, Street Light(s), Side Yard, Landscape Back, Landscape Front

Details

Parcel number: 415 0190 002 00
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Architectural style: Contemporary
Property subtype: Residential, Single Family Residence

Materials

Stone, Stucco, Wood
Foundation: Raised
Roof: See Remarks

Condition

Existing
New construction: No
Year built: 1976

Details

Warranty included: Yes

Utilities & green energy

Electric: No Solar, 220 Volts in Kitchen
Sewer: Public Sewer
Water: Public

Green energy

Energy efficient items: Insulation

Community & HOA

Community

Security: Carbon Monoxide Detector(s), Double Strapped Water Heater, Smoke Detector(s)
Subdivision: Baywood

HOA

Has HOA: No

Location

Region: Castro Valley

Financial & listing details

Price per square foot: $613/sqft
Tax assessed value: $421,840
Annual tax amount: $5,915
Price range: $1M - $1M
Date on market: 3/31/2026
Listing agreement: Excl Right
Listing terms: Cash,Conventional
Electric utility on property: Yes

Estimated market value

$983,500

$934,000 - $1.03M

$3,788/mo

Price history

Date	Event	Price
8/2/2026	Price change	$999,998-9.1%$613/sqft
Source: Bay East AOR #41128976 Report a problem
5/15/2026	Listed for sale	$1,099,998$674/sqft
Source: Bay East AOR #41128976 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$5,915 +2.6%	$421,840 +2%
2024	$5,765 +2%	$413,569 +2%
2023	$5,651 +2.4%	$405,461 +2%
2022	$5,517 +1.2%	$397,511 +2%
2021	$5,451 +1.4%	$389,718 +1%
2020	$5,377 -0.7%	$385,721 +2%
2019	$5,414 +9%	$378,159 +2%
2018	$4,965	$370,745 +2%
2017	$4,965 +6.1%	$363,478 +2%
2016	$4,680 +8.6%	$356,352 +1.5%
2015	$4,309	$351,001 +2%
2014	$4,309	$344,126 +0.5%
2013	--	$342,572 +2%
2012	--	$335,856 +2%
2011	--	$329,271 +0.8%
2010	--	$326,812 -0.2%
2009	--	$327,588 +2%
2008	--	$321,168 +2%
2007	--	$314,871 +2%
2006	--	$308,698 +2%
2005	--	$302,647 +2%
2004	--	$296,716 +1.9%
2003	--	$291,277 +2%
2002	--	$285,567 +2%
2001	$3,037	$279,967