Google street view image for 127 Underhill Rd, Mill Valley, CA 94941

Off Market Aug 1990 for $788K

$3,544,627

Est. refi paymentEst. refi $4,990/mo

•

3,905

sq ft

127 Underhill Rd, Mill Valley, CA 94941

About this home

127 Underhill Rd is a 3,905 square foot house on a 0.27 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on August 21, 1990 for $788,000. Based on Redfin's Mill Valley data, we estimate the home's value is $3,544,627.

Single-familyProperty Type

1984Year Built

0.27 acresLot Size

$908Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$3,544,627

$2.8M since sold in August 1990$58K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.3% higher than the average sale price ($3.16M) of 6 comparable homes.

SOLD MAY 6, 2026
$2,810,000
A
4 beds3 baths2,550 sq ft
9 Underhill Rd, Mill Valley, CA 94941
SOLD MAY 11, 2026
$4,805,000
B
4 beds3.5 baths3,234 sq ft
9 Coach Rd, Mill Valley, CA 94941
SOLD SEP 2, 2026
$3,200,000
C
4 beds3 baths2,580 sq ft
87 Bay Vista Dr, Mill Valley, CA 94941
SOLD APR 20, 2026
$2,550,000
D
4 beds2.5 baths2,515 sq ft
15 Underhill Rd, Mill Valley, CA 94941
SOLD AUG 14, 2026
$2,375,000
E
4 beds2.5 baths2,228 sq ft
69 Sonora Way, Corte Madera, CA 94925
SOLD MAR 20, 2026
$3,201,000
F
4 beds3 baths2,838 sq ft
602 Chapman Dr, Corte Madera, CA 94925

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Earn from this home

Sell

$3,357,534

Est. take-home

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Est. cash available

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Rent

$10,273/mo

Redfin rental estimate

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Market trends in 94941, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.4%

2.8% MoM

Median sale price

$2.0M

$206K MoM

Avg. days on market

21d

6 days MoM

Recently sold homes

100

11 MoM

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4 beds2.5 baths2,165 sq ft
1008 Erica Rd, Mill Valley, CA 94941
3D & VIDEO TOUR
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See all

Provided by Redfin

Sale history for 127 Underhill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,608 (+1.9%)

$524,300 + $922,216

$1,446,516

2024

$19,240 (−6.5%)

$514,020 + $904,134

$1,418,154

2023

$20,568 (+12.3%)

$503,942 + $886,408

$1,390,350

2022

$18,316 (−4.2%)

$494,061 + $869,028

$1,363,089

2021

$19,119 (+1.7%)

$484,374 + $851,989

$1,336,363

2020

$18,799 (+9.0%)

$474,878 + $835,286

$1,310,164

2019

$17,243 (−1.8%)

$470,010 + $826,723

$1,296,733

2018

$17,561 (−2.8%)

$460,796 + $810,516

$1,271,312

2017

$18,059 (+9.7%)

$442,904 + $779,045

$1,221,949

2016

$16,464 (+0.5%)

$442,904 + $779,045

$1,221,949

2015

$16,383 (−4.4%)

$434,220 + $763,770

$1,197,990

2014

$17,144 (+0.5%)

$419,323 + $737,567

$1,156,890

2013

$17,064 (+16.2%)

$419,323 + $737,567

$1,156,890

2012

$14,681 (+4.6%)

$417,430 + $734,239

$1,151,669

2011

$14,042 (+2.7%)

$409,248 + $719,846

$1,129,094

2010

$13,673 (+1.8%)

$401,225 + $705,735

$1,106,960

2009

$13,436 (+4.9%)

$398,227 + $700,461

$1,098,688

2008

$12,811

$399,173 + $702,125

$1,101,298

Tax history for 127 Underhill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,608 (+1.9%)

$524,300 + $922,216

$1,446,516

2024

$19,240 (−6.5%)

$514,020 + $904,134

$1,418,154

2023

$20,568 (+12.3%)

$503,942 + $886,408

$1,390,350

2022

$18,316 (−4.2%)

$494,061 + $869,028

$1,363,089

2021

$19,119 (+1.7%)

$484,374 + $851,989

$1,336,363

2020

$18,799 (+9.0%)

$474,878 + $835,286

$1,310,164

2019

$17,243 (−1.8%)

$470,010 + $826,723

$1,296,733

2018

$17,561 (−2.8%)

$460,796 + $810,516

$1,271,312

2017

$18,059 (+9.7%)

$442,904 + $779,045

$1,221,949

2016

$16,464 (+0.5%)

$442,904 + $779,045

$1,221,949

2015

$16,383 (−4.4%)

$434,220 + $763,770

$1,197,990

2014

$17,144 (+0.5%)

$419,323 + $737,567

$1,156,890

2013

$17,064 (+16.2%)

$419,323 + $737,567

$1,156,890

2012

$14,681 (+4.6%)

$417,430 + $734,239

$1,151,669

2011

$14,042 (+2.7%)

$409,248 + $719,846

$1,129,094

2010

$13,673 (+1.8%)

$401,225 + $705,735

$1,106,960

2009

$13,436 (+4.9%)

$398,227 + $700,461

$1,098,688

2008

$12,811

$399,173 + $702,125

$1,101,298

*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

R-P

Planned Residential District

The purpose of this chapter is to effect the development of attractive residential properties in keeping with the character of the community with minimum disturbance to the quality of the neighborhoods and of the natural features of the landscape by requiring the approval of specific plans showing site design and overall design character prior to development.; In establishing R-P districts, the City of Mill Valley intends to make possible development in which the size and shape of buildings, building heights, and the open spaces surrounding buildings or groups of buildings may be varied. Density shall be set at a level or range of dwelling units which is consistent with limitations imposed by on-site, natural resource, topographic and geologic conditions and by the level of public services and road access that can be reasonably provided. The development approval process for R-P districts is intended to allow for continuous refinement of the permitted density as additional information is acquired regarding the capacity of the land.

Permitted uses

Include but are not limited to:

Agriculture
Housing-Single unit

Apr 29, 2026 • Final

Residential water heater tanked or hybrid heat pump

Install a new water heater in a residential building.

Plumbing

Water heater

Dec 21, 2021 • Final

Residential sewer lateral

Repair a residential sewer lateral as per the notice to repair.

Plumbing

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

Basement Information
Basement Sq. Ft: 432
Basement Type: Unfinished

Heating & Cooling
Heating Type: Central

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good

Property Information
Subdivision Name: SCOTT VLY MDWS
Living Sq. Ft: 3,592
Building Sq. Ft: 4,024
# of Units: 1
Legal Description: MAP 18 PG 71 LOT 22

Parking & Garage Information
Garage/Parking Sq. Ft: 527

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,966
Legal Lot Number: 22
Municipality Name: MILL VALLEY
Acres: 0.2747
County Use Description: 1 FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY

Public facts

Beds: 4
Baths: 2.75
Sq. Ft.: 3,905
Stories: —
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Marin County
APN: 033-210-20
HOA Dues: $150/month
Garage: Yes
Features: Views

Home facts updated by owner on Dec 11, 2021

Around this home

Schools

Edna Maguire Elementary School

Public K-5 • Assigned • 0.5mi

10/10

Mill Valley Middle School

Public 6-8 • Assigned • 1.2mi

9/10

Tamalpais High School

Public 9-12 • Assigned • 1.7mi

10/10

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

3/10 Fire Factor

0.15% chance of being in a wildfire in next 30 years

2/10 Heat Factor

7 days above 83° expected this year, 17 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

$3.37M – $4.08M

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Home values near 127 Underhill Rd

Data from public records.

Address	Redfin Estimate
135 Underhill Road, Mill Valley, CA 4 Beds \| 5 Baths \| 4548 Sq. Ft.	$4,641,273
104 Underhill Road, Mill Valley, CA 3 Beds \| 3 Baths \| 2634 Sq. Ft.	$3,309,311

Address	Redfin Estimate
100 Underhill Road, Mill Valley, CA 3 Beds \| 3 Baths \| 2366 Sq. Ft.	$2,859,303
120 Underhill Road, Mill Valley, CA 4 Beds \| 3 Baths \| 2384 Sq. Ft.	$2,725,722

Address	Redfin Estimate
101 Underhill Road, Mill Valley, CA 4 Beds \| 5 Baths \| 4969 Sq. Ft.	$6,214,987
115 Underhill Road, Mill Valley, CA 5 Beds \| 4.5 Baths \| 6102 Sq. Ft.	$6,232,412

This data may not show owner updates. Learn more.

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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 94941, CA

Sale history for 127 Underhill Rd

Tax history for 127 Underhill 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 94941

Home values near 127 Underhill Rd

More real estate resources