Google street view image for 21737 Gail Dr, Castro Valley, CA 94546

Off market jan 2014 for $539K

$1,114,095

Est. refi paymentEst. refi $3,933/mo

•

2 ba

•

1,909

sq ft

21737 Gail Dr, Castro Valley, CA 94546

About this home

21737 Gail Dr is a 1,909 square foot house on a 6,527 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on January 16, 2014 for $539,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,114,095.

Single-familyProperty Type

1973Year Built

6,527 sq ftLot Size

$584Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,114,095

$575K since sold in January 2014$10K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 18.9% higher than the average sale price ($937K) of 6 comparable homes.

SOLD MAY 22, 2026
$1,075,000
A
3 beds2 baths1,876 sq ft
21723 Shadyspring Rd, Castro Valley, CA 94546
SOLD SEP 16, 2026
$920,000
B
3 beds2.5 baths1,632 sq ft
21671 Shady Spring Rd, Castro Valley, CA 94546
SOLD JUL 9, 2026
$984,777
C
3 beds2 baths1,650 sq ft
21451 Rizzo Ave, Castro Valley, CA 94546
SOLD OCT 2, 2026
$875,000
D
3 beds2 baths1,560 sq ft
22590 Norwood Dr, Castro Valley, CA 94541
SOLD MAR 27, 2026
$825,000
E
3 beds2 baths1,557 sq ft
1516 Grove Way, Castro Valley, CA 94546
SOLD AUG 28, 2026
$940,000
F
3 beds2 baths1,262 sq ft
2337 Bentley Ct, Castro Valley, CA 94546

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Earn from this home

Sell

$748,605

Est. take-home

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Est. cash available

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Rent

$3,805/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

104.0%

+0.6% MoM

Median sale price

$1.1M

$564 MoM

Avg. days on market

29d

10 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN TODAY, 10AM TO 1PM
$879,000
3 beds1 bath1,106 sq ft
3443 Middleton Ave, Castro Valley, CA 94546
NEW 18 HRS AGO
$1,290,000
4 beds2.5 baths1,896 sq ft
18362 Carlwyn Dr, Castro Valley, CA 94546
$999,000
4 beds2 baths1,680 sq ft
20273-20275 Stanton Ave, Castro Valley, CA 94546
OPEN TODAY, 10AM TO 1PM
$1,495,000
4 beds3 baths2,550 sq ft
5280 Dunnigan Ct, Castro Valley, CA 94546
(415) 655-9007
EARLY ACCESS
$550,000
2 beds2 baths1,393 sq ft
21239 Gary Dr #206, Hayward, CA 94546
OPEN SUN, 12:30PM TO 3:30PM
$796,000
2 beds1 bath906 sq ft
2247 Lessley Ave, Castro Valley, CA 94546
OPEN TODAY, 10:30AM TO 1PM
$925,000
3 beds1 bath1,088 sq ft
18482 Ogilvie Dr, Castro Valley, CA 94546
OPEN TODAY, 11AM TO 1PM
$1,198,000
3 beds2.5 baths1,823 sq ft
3466 Arcadian Dr, Castro Valley, CA 94546
VIDEO TOUR
$975,000
3 beds1.5 baths1,311 sq ft
4848 Mancini Dr, Castro Valley, CA 94546
$599,000
2 beds2.5 baths866 sq ft
20115 Redwood Rd #10, Castro Valley, CA 94546
See all

Provided by Redfin

Sale history for 21737 Gail Dr

Year

Property tax

Land + Additions

Assessment*

2025

$8,754 (+2.5%)

$202,176 + $471,745

$673,921

2024

$8,538 (+1.9%)

$198,213 + $462,498

$660,711

2023

$8,382 (+2.3%)

$194,327 + $453,431

$647,758

2022

$8,193 (+1.1%)

$186,782 + $435,826

$622,608

2021

$8,106 (+1.3%)

$186,782 + $435,826

$622,608

2020

$8,001 (−0.7%)

$183,122 + $427,284

$610,406

2019

$8,061 (+6.5%)

$181,244 + $422,904

$604,148

2018

$7,567 (+2.5%)

$177,692 + $414,614

$592,306

2017

$7,380 (+5.9%)

$170,794 + $398,519

$569,313

2016

$6,966 (+2.6%)

$170,794 + $398,519

$569,313

2015

$6,792 (+165.8%)

$167,445 + $390,705

$558,150

2014

$2,555 (+1.8%)

$70,954 + $111,975

$182,929

2013

$2,510 (+2.4%)

$70,954 + $111,975

$182,929

2012

$2,452 (+3.1%)

$70,634 + $111,469

$182,103

2011

$2,379 (+2.2%)

$69,249 + $109,284

$178,533

2010

$2,329 (−0.9%)

$67,891 + $107,141

$175,032

2009

$2,351 (+5.1%)

$67,384 + $106,340

$173,724

2008

$2,237

$67,544 + $106,593

$174,137

Tax history for 21737 Gail Dr

Year

Property tax

Land + Additions

Assessment*

2025

$8,754 (+2.5%)

$202,176 + $471,745

$673,921

2024

$8,538 (+1.9%)

$198,213 + $462,498

$660,711

2023

$8,382 (+2.3%)

$194,327 + $453,431

$647,758

2022

$8,193 (+1.1%)

$186,782 + $435,826

$622,608

2021

$8,106 (+1.3%)

$186,782 + $435,826

$622,608

2020

$8,001 (−0.7%)

$183,122 + $427,284

$610,406

2019

$8,061 (+6.5%)

$181,244 + $422,904

$604,148

2018

$7,567 (+2.5%)

$177,692 + $414,614

$592,306

2017

$7,380 (+5.9%)

$170,794 + $398,519

$569,313

2016

$6,966 (+2.6%)

$170,794 + $398,519

$569,313

2015

$6,792 (+165.8%)

$167,445 + $390,705

$558,150

2014

$2,555 (+1.8%)

$70,954 + $111,975

$182,929

2013

$2,510 (+2.4%)

$70,954 + $111,975

$182,929

2012

$2,452 (+3.1%)

$70,634 + $111,469

$182,103

2011

$2,379 (+2.2%)

$69,249 + $109,284

$178,533

2010

$2,329 (−0.9%)

$67,891 + $107,141

$175,032

2009

$2,351 (+5.1%)

$67,384 + $106,340

$173,724

2008

$2,237

$67,544 + $106,593

$174,137

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

Single-Family Residence Districts

Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.

Permitted uses

Include but are not limited to:

Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard

Property details

Interior

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good

Property Information
Living Sq. Ft: 1,909
Building Sq. Ft: 1,909
# of Units: 1
# of Stories: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,527
Legal Lot Number: 20
Legal Block Number: 1
Municipality Name: HAYWARD UNINCORP
Acres: 0.1498
Depth Footage: 108
Front Footage: 60
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,909
Stories: 1.0
Lot Size: 6,527 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1974
County: Alameda County
APN: 415 019003200

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Fairview Elementary School

Public K-6 • Assigned • 1.7mi

2/10

Bret Harte Middle School

Public 7-8 • Assigned • 1.0mi

4/10

Hayward High School

Public 9-12 • Assigned • 1.2mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
3 weeks ago • Castro Valley
Karan Kandel
Redfin agent
12 deals
Was this helpful?
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...
1 month ago • Castro Valley
Johnny Singh
Redfin Premier agent
139 deals
Was this helpful?

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 88° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Castro Valley, CA • 94546

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.06M – $1.28M

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New listings for sale in 94546

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NEW 18 HRS AGO3D WALKTHROUGH

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EARLY ACCESSCOMPASS COMING SOON

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OPEN SUN, 12:30PM TO 3:30PM

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OPEN TODAY, 10:30AM TO 1PM

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OPEN TODAY, 11AM TO 1PM

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3 beds2.5 baths1,823 sq ft

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Home values near 21737 Gail Dr

Data from public records.

Address	Redfin Estimate
21729 Gail Drive, Castro Valley, CA 3 Beds \| 3 Baths \| 2331 Sq. Ft.	$1,121,375
21736 Gail Drive, Castro Valley, CA 3 Beds \| 2 Baths \| 1959 Sq. Ft.	$1,124,052
21733 Gail Drive, Castro Valley, CA 3 Beds \| 2 Baths \| 1692 Sq. Ft.	$949,155
21719 Gail Drive, Castro Valley, CA 3 Beds \| 2 Baths \| 2318 Sq. Ft.	$1,354,071
21729 Gail Drive, Castro Valley, CA 3 Beds \| 3 Baths \| 2331 Sq. Ft.	$1,152,455
21715 Shadyspring Road, Castro Valley, CA 4 Beds \| 3 Baths \| 2270 Sq. Ft.	$1,171,301
21730 Shadyspring Road, Castro Valley, CA 3 Beds \| 3 Baths \| 2650 Sq. Ft.	$1,220,330

Address	Redfin Estimate
21730 Gail Drive, Castro Valley, CA 3 Beds \| 2 Baths \| 2023 Sq. Ft.	$1,191,831
21718 Gail Drive, Castro Valley, CA 2 Beds \| 2 Baths \| 1560 Sq. Ft.	$1,077,175
21733 Gail Drive, Castro Valley, CA 3 Beds \| 2 Baths \| 1692 Sq. Ft.	$947,441
21729 Gail Drive, Castro Valley, CA 3 Beds \| 3 Baths \| 2331 Sq. Ft.	$1,033,258
21771 Shadyspring Road, Castro Valley, CA 3 Beds \| 3 Baths \| 2168 Sq. Ft.	$1,188,936
21762 Shadyspring Road, Castro Valley, CA 3 Beds \| 3 Baths \| 3051 Sq. Ft.	$1,173,755
21731 Shadyspring Road, Castro Valley, CA 4 Beds \| 4 Baths \| 2136 Sq. Ft.	$1,396,060

Address	Redfin Estimate
21735 Gail Drive, Castro Valley, CA 3 Beds \| 3 Baths \| 2140 Sq. Ft.	$1,303,354
21742 Gail Drive, Castro Valley, CA 2 Beds \| 2 Baths \| 1438 Sq. Ft.	$900,120
21724 Gail Drive, Castro Valley, CA 4 Beds \| 2.5 Baths \| 2668 Sq. Ft.	$1,391,044
21725 Gail Drive, Castro Valley, CA 2 Beds \| 2 Baths \| 1780 Sq. Ft.	$1,126,300
21738 Shadyspring Road, Castro Valley, CA - Beds \| - Baths \| 2840 Sq. Ft.	$1,100,152
21779 Shadyspring Road, Castro Valley, CA 3 Beds \| 2 Baths \| 2290 Sq. Ft.	$1,182,907
21778 Shadyspring Road, Castro Valley, CA 2 Beds \| 2 Baths \| 1554 Sq. Ft.	$910,995

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About this home

Redfin Estimate

Earn from this home

Market trends in 94546, CA

Sale history for 21737 Gail Dr

Tax history for 21737 Gail Dr

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94546

Home values near 21737 Gail Dr

More real estate resources