21747 Baywood Ave
Castro Valley, CA 94546
4 bd 3 ba 2,635 sqft Built 1942 Lot 9,338 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $670,223 | $287,238 | $957,461 | $12,280 |
| 2024 | $670,223 | $287,238 | $957,461 | $11,983 |
| 2023 | $644,201 | $276,086 | $920,287 | $11,773 |
| 2022 | $631,571 | $270,673 | $902,244 | $11,517 |
| 2021 | $619,189 | $265,367 | $884,556 | $11,403 |
| 2020 | $612,843 | $262,647 | $875,490 | $11,260 |
| 2019 | $600,831 | $257,499 | $858,330 | $11,348 |
| 2018 | $589,050 | $252,450 | $841,500 | $10,641 |
| 2017 | $577,500 | $247,500 | $825,000 | $10,378 |
| 2016 | $518,000 | $222,000 | $740,000 | $9,027 |
| 2015 | $469,000 | $201,000 | $670,000 | $8,146 |
| 2014 | $420,000 | $180,000 | $600,000 | $7,090 |
| 2013 | $346,500 | $148,500 | $495,000 | $5,906 |
| 2012 | $241,500 | $103,500 | $345,000 | $4,260 |
| 2010 | $192,500 | $82,500 | $275,000 | $3,704 |
| 2009 | $210,000 | $90,000 | $300,000 | $3,976 |
| 2008 | $332,500 | $142,500 | $475,000 | $5,576 |
| 2007 | $374,136 | $160,344 | $534,480 | $5,868 |
Property facts
Year built
1942
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,635 sqft
Lot size
9,338 sqft
ZIP code
94546
City
Castro Valley
Street
Baywood Ave
Coordinates
37.68596, -122.08134
Comparable properties nearby
Frequently asked questions
When did 21747 Baywood Ave last sell?
No public-record sale is on file for 21747 Baywood Ave.
What is the current tax assessment for 21747 Baywood Ave?
The most recent total assessment for 21747 Baywood Ave (year 2025) is $957,461 with $12,280 in property tax.
When was 21747 Baywood Ave built?
21747 Baywood Ave was built in 1942.
How does 21747 Baywood Ave compare to others on Baywood Ave?
We track 6 other properties on Baywood Ave. Browse the list under "Other properties on Baywood Ave" to compare beds, baths, and sale history.
What are the property facts for 21747 Baywood Ave?
21747 Baywood Ave is a 4 bed, 3 bath, 2,635 sqft, 9,338 sqft lot single_family.
Is 21747 Baywood Ave a flip candidate?
No — 21747 Baywood Ave does not appear in our flips dataset.
Is 21747 Baywood Ave a tax-appeal candidate?
No — 21747 Baywood Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.1%
Implied 1-yr
-8.4%
2026 Q3
$875.4K
2026 Q4
$875.4K
ZIP 94546 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Baywood Ave