Google street view image for 63 Shell Rd Unit A, Mill Valley, CA 94941

Off market nov 2012 for $840K

$3,635,992

Est. refi paymentEst. refi $5,721/mo

•

5 ba

•

3,605

sq ft

63 Shell Rd Unit A, Mill Valley, CA 94941

About this home

63 Shell Rd Unit A is a 3,605 square foot house on a 0.27 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on November 01, 2012 for $840,000. Based on Redfin's Mill Valley data, we estimate the home's value is $3,635,992.

Single-familyProperty Type

1955Year Built

0.27 acresLot Size

$1,009Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,635,992

$2.8M since sold in November 2012$142K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22.7% higher than the average sale price ($2.96M) of 5 comparable homes.

SOLD SEP 2, 2026
$3,200,000
A
4 beds3 baths2,580 sq ft
87 Bay Vista Dr, Mill Valley, CA 94941
SOLD JUN 25, 2026
$2,300,000
B
4 beds3 baths3,066 sq ft
117 Longfellow Rd, Mill Valley, CA 94941
SOLD JUL 22, 2026
$2,255,000
C
4 beds3 baths2,880 sq ft
54 Bay Vista Dr, Mill Valley, CA 94941
SOLD JUN 8, 2026
$3,650,000
D
5 beds4 baths2,715 sq ft
115 Manor Dr, Mill Valley, CA 94941
SOLD SEP 29, 2026
$3,415,000
E
4 beds2 baths1,917 sq ft
114 Lomita Dr, Mill Valley, CA 94941

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Earn from this home

Sell

$2,991,102

Est. take-home

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Est. cash available

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Rent

$10,558/mo

Redfin rental estimate

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Market trends in 94941, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.8%

2.4% MoM

Median sale price

$2.0M

$205K MoM

Avg. days on market

21d

6 days MoM

Recently sold homes

12 MoM

New listings for sale

OPEN TODAY, 2PM TO 4PM
$1,475,000
2 beds2.5 baths1,702 sq ft
838 Autumn Ln, Mill Valley, CA 94941
OPEN SUN, 2PM TO 4PM
$3,495,000
4 beds3 baths3,207 sq ft
528 Montford Ave, Mill Valley, CA 94941
OPEN SUN, 12PM TO 4PM
$2,300,000
4 beds2 baths2,070 sq ft
4 Longfellow Rd, Mill Valley, CA 94941
OPEN TODAY, 1PM TO 4PM
$2,250,000
4 beds3.5 baths2,577 sq ft
550 Edgewood Ave, Mill Valley, CA 94941
OPEN TODAY, 11:30AM TO 1:30PM
$1,995,000
3 beds1 bath1,508 sq ft
41 Walnut Ave, Mill Valley, CA 94941
OPEN TODAY, 2PM TO 4PM
$2,250,000
2 beds3 baths1,898 sq ft
17 De Silva Island Dr, Mill Valley, CA 94941
OPEN TODAY, 1PM TO 4PM
$1,695,000
3 beds2 baths1,350 sq ft
251 Flamingo Rd, Mill Valley, CA 94941
OPEN TODAY, 2PM TO 4PM
$1,995,000
4 beds3 baths1,983 sq ft
470 Wellesley Ave, Mill Valley, CA 94941
$1,925,000
2 beds2 baths1,890 sq ft
425 Montford Ave, Mill Valley, CA 94941
See all

Provided by Redfin

Sale history for 63 Shell Rd Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$20,942 (+3.2%)

$551,384 + $827,483

$1,378,867

2024

$20,295 (+1.1%)

$540,575 + $811,262

$1,351,837

2023

$20,072 (+3.1%)

$529,978 + $795,358

$1,325,336

2022

$19,465 (+1.5%)

$519,587 + $779,765

$1,299,352

2021

$19,168 (−0.1%)

$509,402 + $764,479

$1,273,881

2020

$19,192 (+3.0%)

$499,415 + $749,492

$1,248,907

2019

$18,627 (+2.7%)

$494,296 + $741,810

$1,236,106

2018

$18,144 (+3.8%)

$484,607 + $727,270

$1,211,877

2017

$17,483 (+5.8%)

$465,792 + $699,034

$1,164,826

2016

$16,529 (+8.0%)

$465,792 + $699,034

$1,164,826

2015

$15,303 (+16.7%)

$456,660 + $685,329

$1,141,989

2014

$13,111 (+9.4%)

$440,993 + $501,816

$942,809

2013

$11,983 (+306.5%)

$440,993 + $501,816

$942,809

2012

$2,948 (+18.3%)

$439,000 + $400,000

$839,000

2011

$2,492 (+4.3%)

$26,823 + $94,370

$121,193

2010

$2,389 (+14.3%)

$26,297 + $92,520

$118,817

2009

$2,090 (+2.1%)

$26,101 + $91,829

$117,930

2008

$2,048

$26,163 + $92,047

$118,210

Tax history for 63 Shell Rd Unit A

Year

Property tax

Land + Additions

Assessment*

2025

$20,942 (+3.2%)

$551,384 + $827,483

$1,378,867

2024

$20,295 (+1.1%)

$540,575 + $811,262

$1,351,837

2023

$20,072 (+3.1%)

$529,978 + $795,358

$1,325,336

2022

$19,465 (+1.5%)

$519,587 + $779,765

$1,299,352

2021

$19,168 (−0.1%)

$509,402 + $764,479

$1,273,881

2020

$19,192 (+3.0%)

$499,415 + $749,492

$1,248,907

2019

$18,627 (+2.7%)

$494,296 + $741,810

$1,236,106

2018

$18,144 (+3.8%)

$484,607 + $727,270

$1,211,877

2017

$17,483 (+5.8%)

$465,792 + $699,034

$1,164,826

2016

$16,529 (+8.0%)

$465,792 + $699,034

$1,164,826

2015

$15,303 (+16.7%)

$456,660 + $685,329

$1,141,989

2014

$13,111 (+9.4%)

$440,993 + $501,816

$942,809

2013

$11,983 (+306.5%)

$440,993 + $501,816

$942,809

2012

$2,948 (+18.3%)

$439,000 + $400,000

$839,000

2011

$2,492 (+4.3%)

$26,823 + $94,370

$121,193

2010

$2,389 (+14.3%)

$26,297 + $92,520

$118,817

2009

$2,090 (+2.1%)

$26,101 + $91,829

$117,930

2008

$2,048

$26,163 + $92,047

$118,210

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

Property details

Interior

Heating & Cooling
Heating Type: Central

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Building Construction Quality: Good

Property Information
Subdivision Name: ALTO 01
Living Sq. Ft: 3,605
Building Sq. Ft: 3,605
# of Units: 1

Parking & Garage Information
Garage/Parking Sq. Ft: 286

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,800
Legal Lot Number: 18
Legal Block Number: B
Municipality Name: MILL VALLEY SCHOOL AREA (ALTO)
Acres: 0.2709
County Use Description: 1 FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY SCHOOL AREA (ALTO)

Public facts

Beds: 5
Baths: 5.0
Sq. Ft.: 3,605
Stories: —
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: 2000
County: Marin County
APN: 033-092-16

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Edna Maguire Elementary School

Public K-5 • Assigned • 0.2mi

10/10

Mill Valley Middle School

Public 6-8 • Assigned • 0.7mi

9/10

Tamalpais High School

Public 9-12 • Assigned • 1.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 71-79% chance 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

3/10 Heat Factor

8 days above 83° expected this year, 19 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

13 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Mill Valley, CA • 94941

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

10.6 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.46M – $4.18M

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Home values near 63 Shell Rd Unit A

Data from public records.

Address	Redfin Estimate
54 Shell Rd, Mill Valley, CA 4 Beds \| 3 Baths \| 2756 Sq. Ft.	$2,931,485
61 Shell Rd, Mill Valley, CA 3 Beds \| 1 Baths \| 2744 Sq. Ft.	$2,303,803

Address	Redfin Estimate
72 Shell Rd, Mill Valley, CA 2 Beds \| 1 Baths \| 825 Sq. Ft.	$1,398,266
67 Shell Rd, Mill Valley, CA 2 Beds \| 1.5 Baths \| 1242 Sq. Ft.	$1,969,976

Address	Redfin Estimate
57 Shell Rd Apt 1/2, Mill Valley, CA 5 Beds \| 6 Baths \| 3500 Sq. Ft.	$5,313,951
59 Shell Rd, Mill Valley, CA 4 Beds \| 4 Baths \| 3294 Sq. Ft.	$3,677,922

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