$700,300
as of Sep 7, 2026
- 2 Beds
- 1 Bath
- 906 sqft
21898 Ada St, Castro Valley, CA 94546
Home Highlights
Single-Family Home
906 sqft
$773/sqft
Attached Garage
Local Information
-- mins to
About this House
Welcome to your charming retreat at 21898 Ada Street in the heart of Castro Valley, CA. This delightful 2-bedroom, 1-bathroom 906-sf home offers a perfect blend of comfort and convenience, making it an ideal choice for those seeking a house with a spacious private backyard in a centrally located neighborhood. Step inside the living area with lots of natural light streaming through the windows and beautifully refinished hardwood floors, creating a warm and inviting atmosphere. The living area seamlessly connects to the dining area and kitchen. The kitchen is equipped with a refrigerator, dishwasher, oven range with vent hood, and plenty of storage and counter spaces. Enjoy your morning coffee out on the backyard deck or savor a delicious dinner al fresco. There is also a shaded space to enjoy the fresh air without being directly under the sun.
Washer and dryer hookups inside the attached 1-car garage. There is space to park more cars on the driveway.
Tenants are responsible for all utilities.
By appointment only. Kindly do not disturb occupants. Available to view after 2/20/25.
Rental Property Owner Criteria: Tenant income 3x the monthly rent and 720 credit score minimum.
No pets allowed, non-smokers only.
Washer and dryer hookups inside the attached 1-car garage. There is space to park more cars on the driveway.
Tenants are responsible for all utilities.
By appointment only. Kindly do not disturb occupants. Available to view after 2/20/25.
Rental Property Owner Criteria: Tenant income 3x the monthly rent and 720 credit score minimum.
No pets allowed, non-smokers only.
21898 Ada St, Castro Valley, CA 94546 is a 2 bedroom, 1 bathroom, 906 sqft single-family home. It last sold for $283,000 on Feb 10, 2010 (9,333% above the $3,000 asking price). More recently, it was listed as a rental in February 2025 with an asking price of $3,000 per month. That rental listing was removed on March 12, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $700,300, with a rent estimate of $3,009/month.
Home Details for 21898 Ada St
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Heating & Cooling Heating: Forced AirHeating Fuel: Forced Air |
Appliances & Utilities DishwasherRefrigerator |
Levels, Entrance, & Accessibility Floors: Hardwood |
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Property Type / Style Property Type: Single Family Home |
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Lease Term: 1 YearAvailable: now |
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Parking & Garage Parking: Attached Off Street, On Site |
Comparable Sales for 21898 Ada St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.24 | Single-Family Home | $418,000 | 01/21/26 | 2 | 1 | 895 sqft | |
0.16 | Single-Family Home | $745,000 | 05/28/26 | 2 | 1 | 1,192 sqft | |
0.29 | Single-Family Home | $745,000 | 10/15/25 | 2 | 1 | 876 sqft | |
0.33 | Single-Family Home | $750,000 | 10/14/25 | 2 | 1 | 886 sqft | |
0.28 | Single-Family Home | $850,000 | 08/07/26 | 2 | 1 | 1,018 sqft | |
0.36 | Single-Family Home | $650,000 | 02/25/26 | 2 | 1 | 825 sqft | |
0.33 | Single-Family Home | $738,000 | 06/05/26 | 2 | 1 | 825 sqft | |
0.16 | Single-Family Home | $850,000 | 06/04/26 | 2 | 2 | 905 sqft | |
0.39 | Single-Family Home | $695,000 | 10/23/25 | 2 | 1 | 1,018 sqft | |
0.27 | Single-Family Home | $768,000 | 04/27/26 | 3 | 1 | 871 sqft |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Rental Market Trends in Castro Valley
Last updated Sep 2026
Trulia Rent Estimate$3,009/mo
Average rent
$2.75K
$2MoM
Available listings
81
Around this home
What Locals Say about Castro Valley
At least 380 Trulia users voted on each feature.
89 % Say it's dog friendly
81 % Say there are sidewalks
75 % Say car is needed
74 % Say parking is easy
73 % Say there's holiday spirit
71 % Say yards are well-kept
65 % Say it's quiet
65 % Say people would walk alone at night
65 % Say it's walkable to grocery stores
62 % Say it's walkable to restaurants
59 % Say there's wildlife
59 % Say they plan to stay for at least 5 years
59 % Say kids play outside
57 % Say neighbors are friendly
57 % Say streets are well-lit
35 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Price and Tax history
| Date | Event | Price |
|---|---|---|
Mar 12, 2025 Source: Zillow Rentals | ListingRemoved | $3,000 |
Feb 19, 2025 Source: Zillow Rentals | Listed For Rent | $3,000 |
Feb 14, 2025 Source: Zillow Rentals | ListingRemoved | $3,000 |
Jan 28, 2025 Source: Zillow Rentals | Listed For Rent | $3,000 |
Feb 10, 2010 Source: Bay East AOR #40430954 | Sold | $283,000 |
Nov 25, 2009 Source: Agent Provided | PriceChange | $295,000 Price decreased by 2% |
Sep 26, 2009 Source: Agent Provided | Listed For Sale | $300,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2026 | Unavailable | $372,580 |
Home facts updated by county records
Frequently asked questions about 21898 Ada St
- What is 21898 Ada St estimated to be worth?Trulia's estimated value for 21898 Ada St in Castro Valley, CA is $700,300.
- What is the price history for 21898 Ada St?21898 Ada St in Castro Valley, CA last sold for $283,000 in February 2010.
- Is Castro Valley a buyer's or seller's market?Castro Valley is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Castro Valley?The median sale price in Castro Valley is $1.21M. That is down $21.33K from the prior month.
- Does 21898 Ada St have parking?Yes, 21898 Ada St in Castro Valley, CA has on-site parking.
Homes for rent near 21898 Ada St
Affordability
TIP:Try to keep your rent within a third of your gross household income. Learn why in our Renter's Guide.
For this property
PER YEAR
is the suggested income
Win over prospective landlords with your smart budgeting. As a good rule of thumb, ideally you would have at least three times your monthly rent in combined household income.

