Google street view image for 21 Glen Alpine Rd, Piedmont, CA 94611

Off market

$8,015,409

•

5 ba

•

6,436

sq ft

21 Glen Alpine Rd, Piedmont, CA 94611

About this home

21 Glen Alpine Rd is a 6,436 square foot house on a 1.2 acre lot with 4 bedrooms and 5 bathrooms. Based on Redfin's Piedmont data, we estimate the home's value is $8,015,409.

Single-familyProperty Type

1925Year Built

1.2 acresLot Size

$1,245Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$8,015,409

$132K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 50% higher than the average sale price ($5.34M) of 6 comparable homes.

SOLD JUL 24, 2026
$3,975,000
A
4 beds3 baths3,106 sq ft
68 Oakmont Ave, Piedmont, CA 94610
SOLD JUN 26, 2026
$8,100,000
B
4 beds4.5 baths6,574 sq ft
125 Guilford Rd, Piedmont, CA 94611
SOLD JUL 1, 2026
$5,758,000
C
5 beds5 baths4,242 sq ft
10 Muir Ave, Piedmont, CA 94610
SOLD APR 8, 2026
$6,350,000
D
4 beds3.5 baths4,523 sq ft
6 Muir Ave, Piedmont, CA 94610
SOLD JUN 26, 2026
11 Huntleigh Rd, Piedmont, CA 94611
$4,430,692
E
4 beds4.5 baths3,608 sq ft
11 Huntleigh Rd, Piedmont, CA 94611
SOLD AUG 5, 2026
$3,450,000
F
5 beds4.5 baths4,151 sq ft
120 Somerset Rd, Piedmont, CA 94611

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Earn from this home

Sell

$7,593,600

Est. take-home

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Rent

$10,147/mo

Redfin rental estimate

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Market trends in 94611, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

118.8%

2.3% MoM

Median sale price

$1.3M

$170K MoM

Avg. days on market

16d

1 days MoM

Recently sold homes

119

11 MoM

New listings for sale

OPEN SUN, 2PM TO 4PM
$343,000
1 bed1 bath650 sq ft
2005 Pleasant Vly #215, Oakland, CA 94611
$325,000
1 bed1 bath586 sq ft
250 Whitmore St #302, Oakland, CA 94611
$1,040,000
4 beds4 baths2,248 sq ft
216 Oakland Ave, Oakland, CA 94611
EARLY ACCESS
$3,650,000
4 beds5 baths5,016 sq ft
102 Crest Rd, Piedmont, CA 94611
3D & VIDEO TOUR
$1,495,000
3 beds3.5 baths2,556 sq ft
2556 Carisbrook Dr, Oakland, CA 94611
$2,950,000
4 beds3.5 baths3,163 sq ft
15 La Salle Ct, Piedmont, CA 94611
$1,595,000
3 beds4 baths3,595 sq ft
25 Ascot Ct, Oakland, CA 94611
$799,000
3 beds2.5 baths1,632 sq ft
6660 Sobrante Rd, Oakland, CA 94611
$1,398,000
3 beds2.5 baths2,921 sq ft
5529 Snake Rd, Oakland, CA 94611
$1,099,000
3 beds2 baths1,710 sq ft
6773 Wilton Dr, Oakland, CA 94611
See all

Provided by Redfin

Sale history for 21 Glen Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$89,746 (+3.6%)

$2,006,157 + $4,716,733

$6,722,890

2024

$86,650 (+1.4%)

$1,966,828 + $4,624,265

$6,591,093

2023

$85,457 (−9.8%)

$1,928,277 + $4,499,313

$6,427,590

2022

$94,754 (+231.1%)

$2,153,400 + $5,024,600

$7,178,000

2021

$28,621 (+0.3%)

$2,153,400 + $5,024,600

$7,178,000

2020

$28,547 (+3.3%)

$296,499 + $1,376,059

$1,672,558

2019

$27,636 (+3.3%)

$293,459 + $1,361,951

$1,655,410

2018

$26,743 (−2.1%)

$287,706 + $1,335,253

$1,622,959

2017

$27,313 (+6.7%)

$276,535 + $1,283,416

$1,559,951

2016

$25,587

$276,535 + $1,283,416

$1,559,951

2015

$25,564 (+1.7%)

$271,114 + $1,258,258

$1,529,372

2014

$25,148

$261,813 + $1,215,091

$1,476,904

2013

$25,158 (−1.9%)

$261,813 + $1,215,091

$1,476,904

2012

$25,641 (+0.6%)

$260,630 + $1,209,605

$1,470,235

2011

$25,481 (+2.4%)

$255,520 + $1,185,894

$1,441,414

2010

$24,892 (−0.9%)

$250,510 + $1,162,643

$1,413,153

2009

$25,111 (+22.2%)

$248,640 + $1,153,959

$1,402,599

2008

$20,546

$249,232 + $1,156,707

$1,405,939

Tax history for 21 Glen Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$89,746 (+3.6%)

$2,006,157 + $4,716,733

$6,722,890

2024

$86,650 (+1.4%)

$1,966,828 + $4,624,265

$6,591,093

2023

$85,457 (−9.8%)

$1,928,277 + $4,499,313

$6,427,590

2022

$94,754 (+231.1%)

$2,153,400 + $5,024,600

$7,178,000

2021

$28,621 (+0.3%)

$2,153,400 + $5,024,600

$7,178,000

2020

$28,547 (+3.3%)

$296,499 + $1,376,059

$1,672,558

2019

$27,636 (+3.3%)

$293,459 + $1,361,951

$1,655,410

2018

$26,743 (−2.1%)

$287,706 + $1,335,253

$1,622,959

2017

$27,313 (+6.7%)

$276,535 + $1,283,416

$1,559,951

2016

$25,587

$276,535 + $1,283,416

$1,559,951

2015

$25,564 (+1.7%)

$271,114 + $1,258,258

$1,529,372

2014

$25,148

$261,813 + $1,215,091

$1,476,904

2013

$25,158 (−1.9%)

$261,813 + $1,215,091

$1,476,904

2012

$25,641 (+0.6%)

$260,630 + $1,209,605

$1,470,235

2011

$25,481 (+2.4%)

$255,520 + $1,185,894

$1,441,414

2010

$24,892 (−0.9%)

$250,510 + $1,162,643

$1,413,153

2009

$25,111 (+22.2%)

$248,640 + $1,153,959

$1,402,599

2008

$20,546

$249,232 + $1,156,707

$1,405,939

*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 Residential Estate

Zone E is established for estate residential homes, which tend to be larger lots.; The intent is to: Preserve, protect and enhance Piedmont's residential character, protecting the quiet, family atmosphere of neighborhoods.; Protect residents from the harmful effects of excessive noise, light deprivation, intrusions on privacy, overcrowding, excessive traffic, insufficient parking, blockage of significant views, and other adverse environmental impacts.; Maintain openness and areas of vegetation between residences to enhance a healthy environment.; Achieve design compatibility between additions, remodeling and other new construction by establishing development standards.; Minimize the out-of-scale appearance of large homes, parking areas, and other development relative to the lot size and to other homes in a neighborhood.

Aug 27, 2027 • Active

Encroachment

Replace a broken vent.

Plumbing

Jan 30, 2025 • Final

Res reno or addtn

Convert a portion of an existing covered porch into a powder room.

Addition

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Room Information
# of Rooms: 10

Exterior

Exterior Information
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Excellent

Property Information
Subdivision Name: PIEDMONT ACRES
Living Sq. Ft: 6,436
Building Sq. Ft: 6,436
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 52,113
Legal Lot Number: 1,2
Legal Block Number: 1
Municipality Name: PIEDMONT INCORP
Acres: 1.1963
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 5.0
Sq. Ft.: 6,436
Stories: 2.0
Lot Size: 1.2 acres
Style: Single Family Residential
Year Built: 1925
Year Renovated: 1940
County: Alameda County
APN: 051 480100103

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

Havens Elementary School

Public K-5 • Assigned • 0.7mi

9/10

Piedmont Middle School

Public 6-8 • Assigned • 0.7mi

8/10

Piedmont High School

Public 9-12 • Assigned • 0.7mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

2/10 Heat Factor

5 days above 86° expected this year, 11 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

14 unhealthy days expected this year, 14 days in 30 years

Provided by First Street

Historical weather

Piedmont, CA • 94611

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 10.9 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.

10.9 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$7.62M – $9.22M

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New listings for sale in 94611

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Home values near 21 Glen Alpine Rd

Data from public records.

Address	Redfin Estimate
27 Glen Alpine Rd, Piedmont, CA 2 Beds \| 2 Baths \| 2115 Sq. Ft.	$2,174,374
37 Glen Alpine Rd, Piedmont, CA 6 Beds \| 7.5 Baths \| 5493 Sq. Ft.	$6,551,773

Address	Redfin Estimate
8 Glen Alpine Rd, Piedmont, CA 5 Beds \| 4.5 Baths \| 3425 Sq. Ft.	$3,393,215
11 Glen Alpine Rd, Piedmont, CA - Beds \| - Baths \| 12763 Sq. Ft.	$9,448,119

Address	Redfin Estimate
42 Glen Alpine Rd, Piedmont, CA 6 Beds \| 5.5 Baths \| 6130 Sq. Ft.	$6,222,499
15 Glen Alpine Rd, Piedmont, CA 4 Beds \| 6 Baths \| 8557 Sq. Ft.	$13,203,562

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94611, CA

Sale history for 21 Glen Alpine Rd

Tax history for 21 Glen Alpine Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94611

Home values near 21 Glen Alpine Rd

More real estate resources