Seller's Agent in 2026
David Gunderman
Kw Advisors East Bay
(510) 205-4369
2 in this area
574 Total Sales
21330 Tyee St Castro Valley, CA 94546
South of 580 Neighborhood
3
Beds
2
Baths
1,185
Sq Ft
5,350
Sq Ft Lot
Highlights
- Wood Flooring
- Breakfast Area or Nook
- Double Pane Windows
- No HOA
- 1 Car Attached Garage
- Crown Molding
About This Home
As of April 2026Wonderfully located between downtown Castro Valley and historic downtown Hayward, this upgraded 3BD/2BA single-level, mid-century home offers ease, comfort and convenience. The 1185 SQFT home lives large with an expansive backyard for great indoor/outdoor living. From the neighborly porch, step inside the sunny living room where you can relax with family and friends in front of the fireplace with a picture window view of the front garden. Recessed lighting, crown molding, and gorgeous hardwood floors span into the large eat-in kitchen. Stylishly renovated, the kitchen boasts a large dining area, newer appliances, custom cabinets, newer counters, and a sliding door to the backyard. Beautiful raised gardens surround the yard’s spacious flagstone patio and awning where you can entertain, unwind, or play in the shade. A large shed provides more storage. Back inside, both bathrooms have been tastefully upgraded - one with a shower and one with a shower over the tub. The home’s three bedrooms each have roomy closets, bright windows, crown molding, and ceiling fans. There’s interior access to the laundry area and the 1-car garage. Out your front door, find wonderful parks, the San Lorenzo Creek Trail, Japanese gardens, Castro Valley BART, respected schools, & charming downtown Hayward.
Last Agent to Sell the Property
Kw Advisors East Bay License #01313613 Listed on: 02/26/2026
Home Details
Home Type
- Single Family
Year Built
- Built in 1948
Lot Details
- 5,350 Sq Ft Lot
Parking
- 1 Car Attached Garage
- Garage Door Opener
Home Design
- Composition Shingle Roof
- Stone Siding
Interior Spaces
- 1-Story Property
- Crown Molding
- Recessed Lighting
- Double Pane Windows
- Living Room with Fireplace
Kitchen
- Breakfast Area or Nook
- Gas Range
Flooring
- Wood
- Tile
Bedrooms and Bathrooms
- 3 Bedrooms
- 2 Full Bathrooms
Laundry
- Laundry in Garage
- Washer and Dryer Hookup
Utilities
- Cooling Available
- Gravity Heating System
Community Details
- No Home Owners Association
- Castro Valley Subdivision
Listing and Financial Details
- Assessor Parcel Number 4155025
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Feb 26, 2026
Closed on
Mar 28, 2026
Sold by
Bought by
Seller's Agent
David Gunderman
Kw Advisors East Bay
Buyer's Agent
Cyrus Yazdani
List Price
$849,000
Sold Price
$910,000
Premium/Discount to List
$61,000
7.18%
Views
80
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-10.54%
Original Mortgage
$832,751
Outstanding Balance
$831,924
Interest Rate
6.01%
Mortgage Type
New Conventional
Estimated Equity
$56,057
Purchase Details
Closed on
Sep 13, 2012
Sold by
Bought by
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$326,136
Interest Rate
3.59%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jan 18, 2008
Sold by
Bought by
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$348,000
Interest Rate
6.09%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Closed on
Oct 24, 2000
Sold by
Bought by
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$117,000
Interest Rate
8.01%
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Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $910,000 | Chicago Title | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | Cornerstone Title Company | |
| Grant Deed | $435,000 | Fidelity National Title Co | |
| Interfamily Deed Transfer | -- | American Title Co |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $832,751 | New Conventional | |
| Previous Owner | $326,136 | New Conventional | |
| Previous Owner | $348,000 | Purchase Money Mortgage | |
| Previous Owner | $117,000 | No Value Available |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 04/01/2026 04/01/26 | Sold | $910,000 | +7.2% | $768 / Sq Ft |
| 03/12/2026 03/12/26 | Pending | -- | -- | -- |
| 02/26/2026 02/26/26 | For Sale | $849,000 | -- | $716 / Sq Ft |
Source: Bay East Association of REALTORS®
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $7,775 | $571,341 | $171,402 | $399,939 |
| 2024 | $7,583 | $560,140 | $168,042 | $392,098 |
| 2023 | $7,443 | $549,160 | $164,748 | $384,412 |
| 2022 | $7,275 | $538,394 | $161,518 | $376,876 |
| 2021 | $7,197 | $527,841 | $158,352 | $369,489 |
| 2020 | $7,103 | $522,430 | $156,729 | $365,701 |
| 2019 | $7,157 | $512,190 | $153,657 | $358,533 |
| 2018 | $6,724 | $502,150 | $150,645 | $351,505 |
| 2017 | $6,558 | $492,306 | $147,692 | $344,614 |
| 2016 | $6,191 | $482,653 | $144,796 | $337,857 |
| 2015 | $5,523 | $430,000 | $129,000 | $301,000 |
| 2014 | $5,101 | $410,000 | $123,000 | $287,000 |
Source: Public Records
Agents Affiliated with this Home
-
David Gunderman
-
Michael Bradley
Seller Co-Listing Agent in 2026
Michael Bradley
Kw Advisors East Bay
(510) 872-9654
1 in this area
73 Total Sales
-
Cyrus Yazdani
Buyer's Agent in 2026
Cyrus Yazdani
(408) 600-8061
1 in this area
46 Total Sales
Map
Source: Bay East Association of REALTORS®
MLS Number: 41125275
APN: 415-0050-025-00
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