Sold for $3,200,000

Street View

Tax assessed value

$3,200,000

21 Calle Del Casarillo, Diablo, CA 94528

4beds

4baths

2,796sqft

SingleFamily

Built in 1947

0.55 Acres Lot

$3,191,000 Zestimate^®

$1,144/sqft

$6,713 Estimated rent

Home value

$3,191,000

$2.87M - $3.54M

$6,713/mo

Zestimate^® history

Owner options

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$6,713/mo

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$6,713/mo

Rent Zestimate^®

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$20,169/mo

Est. payment

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$20,169/mo

Est. payment

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What's special

21 Calle Del Casarillo, Diablo, CA 94528 is a single family home that contains 2,796 sq ft and was built in 1947. It contains 4 bedrooms and 4.5 bathrooms. This home last sold for $3,200,000 in November 2025. The Zestimate for this house is $3,191,000. The Rent Zestimate for this home is $6,713/mo.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 4.5

Cooling

Central

Interior area

Total interior livable area: 2,796 sqft

Property

Parking

Parking features: Carport, Garage

Lot

Size: 0.55 Acres

Details

Parcel number: 1952700415

Construction

Type & style

Home type: SingleFamily

Condition

Year built: 1947

Community & HOA

Location

Region: Diablo

Financial & listing details

Price per square foot: $1,144/sqft
Tax assessed value: $3,200,000

Price history

Date	Event	Price
11/14/2025	Sold	$3,200,000+6.7%$1,144/sqft
Source: Public Record Report a problem
11/7/2025	Pending sale	$2,998,000$1,072/sqft
Source: Bay East AOR #41113795 Report a problem
10/18/2025	Contingent	$2,998,000$1,072/sqft
Source: Bay East AOR #41113795 Report a problem
10/15/2025	Pending sale	$2,998,000$1,072/sqft
Source: Bay East AOR #41113795 Report a problem
10/4/2025	Listed for sale	$2,998,000+34.7%$1,072/sqft
Source: Bay East AOR #41113795 Report a problem
3/4/2021	Sold	$2,225,000+11.3%$796/sqft
Source: CCAR #40938389 Report a problem
2/23/2021	Pending sale	$1,999,000$715/sqft
Source: bridgeMLS/CCAR/Bay East AOR #40938389 Report a problem
2/19/2021	Listed for sale	$1,999,000+30%$715/sqft
Source: bridgeMLS/CCAR/Bay East AOR #40938389 Report a problem
10/24/2006	Sold	$1,537,500$550/sqft
Source: CCAR #40181526 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2026	--	$3,200,000 +32.9%
2025	$27,787 +2.1%	$2,408,409 +2%
2024	$27,219 +1.3%	$2,361,187 +2%
2023	$26,874 +0.8%	$2,314,890 +2%
2022	$26,660 +18.6%	$2,269,500 +19.3%
2021	$22,473 +5.9%	$1,903,046 +6.4%
2020	$21,227 +0.5%	$1,788,000 +1.2%
2019	$21,129 +3.8%	$1,767,000 +2%
2018	$20,346 +6.3%	$1,732,500 +4.3%
2017	$19,140 +3.7%	$1,661,000 +4.8%
2016	$18,450 +13.8%	$1,585,500 +8.6%
2015	$16,211	$1,460,000 +6.6%
2014	$16,211	$1,370,000 +5%
2013	--	$1,304,500 +17.6%
2012	--	$1,109,500 -13%
2011	--	$1,275,500 -7.7%
2010	--	$1,382,500 -9.9%
2009	--	$1,535,000 -2.1%
2008	--	$1,568,250 +2%
2007	--	$1,537,500 +228.4%
2006	--	$468,124 +2%
2005	--	$458,946 +8%
2004	--	$424,965 +4.4%
2003	--	$406,870 +8.4%
2002	--	$375,364 +2%
2001	--	$368,005