21703 Knoll Way
Castro Valley, CA 94546
3 bd 2 ba 1,712 sqft Built 1971 Lot 8,023 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 | $696,908 | $298,675 | $995,583 | $12,816 |
| 2024 | $696,908 | $298,675 | $995,583 | $12,508 |
| 2023 | $669,848 | $287,077 | $956,925 | $12,293 |
| 2022 | $656,716 | $281,449 | $938,165 | $12,027 |
| 2021 | $643,841 | $275,932 | $919,773 | $11,910 |
| 2020 | $637,245 | $273,105 | $910,350 | $11,763 |
| 2019 | $624,750 | $267,750 | $892,500 | $11,857 |
| 2018 | $228,170 | $24,291 | $252,461 | $3,697 |
| 2017 | $223,698 | $23,815 | $247,513 | $3,604 |
| 2016 | $219,313 | $23,348 | $242,661 | $3,391 |
| 2015 | $216,020 | $22,998 | $239,018 | $2,953 |
| 2014 | $211,790 | $22,547 | $234,337 | $3,114 |
| 2013 | $210,834 | $22,445 | $233,279 | $3,065 |
| 2012 | $206,701 | $22,005 | $228,706 | $2,997 |
| 2010 | $202,650 | $21,574 | $224,224 | $2,860 |
| 2009 | $201,136 | $21,413 | $222,549 | $2,892 |
| 2008 | $197,662 | $21,043 | $218,705 | $2,763 |
| 2007 | $193,788 | $20,631 | $214,419 | $2,565 |
Property facts
Year built
1971
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,712 sqft
Lot size
8,023 sqft
ZIP code
94546
City
Castro Valley
Street
Knoll Way
Coordinates
37.68319, -122.08462
Comparable properties nearby
Frequently asked questions
When did 21703 Knoll Way last sell?
No public-record sale is on file for 21703 Knoll Way.
What is the current tax assessment for 21703 Knoll Way?
The most recent total assessment for 21703 Knoll Way (year 2025) is $995,583 with $12,816 in property tax.
When was 21703 Knoll Way built?
21703 Knoll Way was built in 1971.
How does 21703 Knoll Way compare to others on Knoll Way?
We track 5 other properties on Knoll Way. Browse the list under "Other properties on Knoll Way" to compare beds, baths, and sale history.
What are the property facts for 21703 Knoll Way?
21703 Knoll Way is a 3 bed, 2 bath, 1,712 sqft, 8,023 sqft lot single_family.
Is 21703 Knoll Way a flip candidate?
No — 21703 Knoll Way does not appear in our flips dataset.
Is 21703 Knoll Way a tax-appeal candidate?
No — 21703 Knoll Way 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 Knoll Way