| Primary address | 21544 Redwood Road, Castro Valley |
| Alternate address(es) | 21875 Idena Ave |
| Zip code | 94546 |
| County | Alameda |
| Parcel ID | 416-10-18-2 |
| Building class | Exempt Public Agency (0300) |
| Acreage | 2.73 |
| Zoning district | Suburban Residential (RS-D20) |
| School district | Hayward Unif SCH |
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Access detailed property tax data for 21544 Redwood Road, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
The complete history of permits filed for 21544 Redwood Road, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda County.
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Create a free account to unlock extended information for 21544 Redwood Road, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | AE, X (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 21544 Redwood Road, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Special Education-Preschool-Laurel | NR | Public | 1 | 0.23 | |
| Vita Academy | NR | Private | 1-6 | 0 | 0.36 |
| Marshall Elementary School | 9 | Public | K-5 | 491 | 0.64 |
| The Montessori Giving Tree | NR | Private | K-6 | 12 | 0.65 |
| Castro Valley Elementary School | 6 | Public | K-5 | 472 | 0.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Special Education-Preschool-Laurel | NR | Public | 1 | 0.23 | |
| Creekside Middle School | 8 | Public | 6-8 | 760 | 0.88 |
| Stellar Preparatory High School | NR | Private | 9 | 0 | 0.92 |
| Our Lady Of Grace School | NR | Private | K-8 | 218 | 0.94 |
| Faith Ringgold School of Arts and Science | 1 | Public | K-8 | 111 | 0.99 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Special Education-Preschool-Laurel | NR | Public | 1 | 0.23 | |
| Stellar Preparatory High School | NR | Private | 9 | 0 | 0.92 |
| Castro Valley High School | 9 | Public | 9-12 | 2,799 | 1.08 |
| Redwood Christian Schools | NR | Private | K-12 | 706 | 1.17 |
| Liber Community School | NR | Private | 4-12 | 0 | 1.20 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21544 Redwood Road, Castro Valley.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 22573 Center St, Hayward | 1,025 | 05/02/2018 | $500,000 |
| 22575 Pearl Ave, Hayward | 918 | 03/13/2025 | $665,000 |
| 22222 Foothill Blvd, Hayward | 2,056 | 06/06/1996 | |
| 22588 Pearl Ave, Hayward | 1,293 | 04/27/2009 | $88,000 |
| 22036 Rockford Rd, Hayward | 1,560 | 10/23/2008 | $370,000 |
| 1267 Rex Rd, Hayward | 1,012 | 12/19/2002 | $305,000 |
| 22268 Foothill Blvd, Hayward | 5,911 | ||
| 22593 Pearl Ave, Hayward | 1,650 | ||
| 1235 Rex Rd, Hayward | 1,230 | 04/14/2017 | $601,500 |
| 2048 B St, Hayward | 1,520 | 12/17/2015 | |
| 22561 Pearl Ave, Hayward | 829 | 05/30/2025 | $570,000 |
| 22567 Pearl Ave, Hayward | 1,635 | 07/19/2019 | $575,000 |
| 1295 Russell Way, Hayward | 928 | 11/21/1990 | $125,000 |
| 1305 Rex Rd, Hayward | 1,560 | 02/06/2002 | |
| 22581 Pearl Ave, Hayward | 1,434 | 09/27/2005 | |
| 1936 B St, Hayward | 5,482 | 12/29/2020 | $898,500 |
| 1164 Russell Way, Hayward | 11/08/2024 | ||
| 22574 Pearl Ave, Hayward | 1,002 | 04/03/2019 | |
| 1251 Rex Rd, Hayward | 972 | 10/19/2020 | |
| 22210 Foothill Blvd, Hayward | 524 | 08/19/2015 | $95,000 |