Google street view image for 300 Round Hill Rd, Tiburon, CA 94920

Off Market Sep 2010 for $4.3M

$7,627,831

Est. refi paymentEst. refi $28,537/mo

•

4 ba

•

4,994

sq ft

300 Round Hill Rd, Tiburon, CA 94920

About this home

300 Round Hill Rd is a 4,994 square foot house on a 1 acre lot with 6 bedrooms and 4 bathrooms. - it last sold on September 24, 2010 for $4,325,000. Based on Redfin's Tiburon data, we estimate the home's value is $7,627,831.

Single-familyProperty Type

1974Year Built

1 acresLot Size

$1,527Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$7,627,831

$3.3M since sold in September 2010$572K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.8% higher than the average sale price ($7.08M) of 6 comparable homes.

SOLD JUL 6, 2026
$4,800,000
A
4 beds4 baths3,199 sq ft
45 Mount Tiburon Rd, Tiburon, CA 94920
SOLD SEP 4, 2026
$7,377,000
B
3 beds4 baths3,575 sq ft
75 Rolling Hills Rd, Tiburon, CA 94920
SOLD JUN 5, 2026
$7,130,000
C
5 beds3.5 baths3,900 sq ft
86 Sugarloaf Dr, Tiburon, CA 94920
SOLD APR 27, 2026
$6,800,000
D
5 beds4.5 baths3,902 sq ft
615 Ridge Rd, Tiburon, CA 94920
SOLD APR 17, 2026
$5,000,000
E
5 beds4 baths4,075 sq ft
25 Mark Ter, Tiburon, CA 94920
SOLD JUL 6, 2026
$11,350,000
F
6 beds5.5 baths5,345 sq ft
616 Ridge Rd, Tiburon, CA 94920

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Earn from this home

Sell

$5,109,370

Est. take-home

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Refinance

Est. cash available

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Rent

$11,780/mo

Redfin rental estimate

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Market trends in 94920, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.3%

1.0% MoM

Median sale price

$3.5M

$54K MoM

Avg. days on market

27d

0 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SAT, 4PM TO 7PM
$1,895,000
2 beds1 bath871 sq ft
2336 Mar East St, Tiburon, CA 94920
OPEN SUN, 2PM TO 4PM
$2,550,000
3 beds2 baths1,650 sq ft
22 North Ter, Tiburon, CA 94920
OPEN TODAY, 10:30AM TO 2:30PM
$6,295,000
5 beds5 baths4,401 sq ft
174 Stewart Dr, Tiburon, CA 94920
$4,400,000
4 beds3.5 baths4,390 sq ft
59 Via Los Altos, Tiburon, CA 94920
VIDEO TOUR
$17,500,000
5 beds4.5 baths6,721 sq ft
36 Old Landing Rd, Tiburon, CA 94920
VIDEO TOUR
$2,995,000
4 beds2 baths1,962 sq ft
9 East Ter, Tiburon, CA 94920
(415) 901-1700
OPEN SAT, 1PM TO 3PM
$1,198,000
2 beds2.5 baths1,440 sq ft
106 Marinero Cir, Tiburon, CA 94920
(415) 738-7000
OPEN SUN, 2PM TO 4PM
$6,488,000
4 beds4.5 baths4,815 sq ft
207 Taylor Rd, Tiburon, CA 94920
OPEN SUN, 1PM TO 4PM
$3,577,000
3 beds3 baths2,696 sq ft
2 Lagoon Vista Rd, Tiburon, CA 94920
OPEN SAT, 2PM TO 4PM
$599,000
1 bed1 bath672 sq ft
34 Andrew Dr #131, Tiburon, CA 94920
See all

Provided by Redfin

Sale history for 300 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$65,548 (+3.9%)

$3,000,000 + $600,000

$3,600,000

2024

$63,105 (+2.0%)

$3,605,430 + $2,043,077

$5,648,507

2023

$61,880 (+40.1%)

$3,534,750 + $2,003,025

$5,537,775

2022

$44,173 (−0.2%)

$3,465,450 + $1,963,755

$5,429,205

2021

$44,273 (−25.4%)

$3,000,000 + $800,000

$3,800,000

2020

$59,357 (+1.9%)

$3,000,000 + $800,000

$3,800,000

2019

$58,237 (+1.5%)

$3,296,760 + $1,868,164

$5,164,924

2018

$57,386 (+1.5%)

$3,232,140 + $1,831,546

$5,063,686

2017

$56,544 (+4.4%)

$3,106,650 + $1,760,435

$4,867,085

2016

$54,173 (−0.4%)

$3,106,650 + $1,760,435

$4,867,085

2015

$54,366 (+22.7%)

$3,045,750 + $1,725,925

$4,771,675

2014

$44,315 (+9.4%)

$2,200,000 + $1,650,000

$3,850,000

2013

$40,523 (−19.8%)

$2,200,000 + $1,650,000

$3,850,000

2012

$50,509 (+1.3%)

$2,000,000 + $1,500,000

$3,500,000

2011

$49,865 (+87.9%)

$2,881,500 + $1,530,000

$4,411,500

2010

$26,545 (+0.6%)

$2,825,000 + $1,500,000

$4,325,000

2009

$26,389 (+3.1%)

$1,208,700 + $1,032,427

$2,241,127

2008

$25,596

$1,211,580 + $1,034,887

$2,246,467

Tax history for 300 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$65,548 (+3.9%)

$3,000,000 + $600,000

$3,600,000

2024

$63,105 (+2.0%)

$3,605,430 + $2,043,077

$5,648,507

2023

$61,880 (+40.1%)

$3,534,750 + $2,003,025

$5,537,775

2022

$44,173 (−0.2%)

$3,465,450 + $1,963,755

$5,429,205

2021

$44,273 (−25.4%)

$3,000,000 + $800,000

$3,800,000

2020

$59,357 (+1.9%)

$3,000,000 + $800,000

$3,800,000

2019

$58,237 (+1.5%)

$3,296,760 + $1,868,164

$5,164,924

2018

$57,386 (+1.5%)

$3,232,140 + $1,831,546

$5,063,686

2017

$56,544 (+4.4%)

$3,106,650 + $1,760,435

$4,867,085

2016

$54,173 (−0.4%)

$3,106,650 + $1,760,435

$4,867,085

2015

$54,366 (+22.7%)

$3,045,750 + $1,725,925

$4,771,675

2014

$44,315 (+9.4%)

$2,200,000 + $1,650,000

$3,850,000

2013

$40,523 (−19.8%)

$2,200,000 + $1,650,000

$3,850,000

2012

$50,509 (+1.3%)

$2,000,000 + $1,500,000

$3,500,000

2011

$49,865 (+87.9%)

$2,881,500 + $1,530,000

$4,411,500

2010

$26,545 (+0.6%)

$2,825,000 + $1,500,000

$4,325,000

2009

$26,389 (+3.1%)

$1,208,700 + $1,032,427

$2,241,127

2008

$25,596

$1,211,580 + $1,034,887

$2,246,467

*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

RO-1

Residential Open 1 Zone

The RO zone is intended to promote and encourage the maintenance of a suitable environment for low-density, single-family development on lots larger than those typically found in the R-1 zone.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Housing-Other
Park & open space

Jun 2, 2016 • Final

Encroachment

Perform an emergency leak repair for the water district.

Gas

Dec 27, 2012 • Final

Bpa

Remodel the interior walls and work on the driveway.

Remodel

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

Heating & Cooling
Heating Type: Central

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

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

Pool Information
Has Pool

Property Information
Living Sq. Ft: 4,994
Building Sq. Ft: 4,994
# of Units: 1
Legal Description: PARCEL MAPS 7 PG 78 LOT A

Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Legal Lot Number: A
Municipality Name: TIBURON
Acres: 1
County Use Description: 1 FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026
Tax Area: TIBURON

Public facts

Beds: 6
Baths: 4.0
Sq. Ft.: 4,994
Stories: —
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1974
Year Renovated: 1987
County: Marin County
APN: 039-171-16

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Reed Elementary School

Public K-2 • Assigned • 0.7mi

Del Mar Middle School

Public 6-8 • Assigned • 0.7mi

10/10

Redwood High School

Public 9-12 • Assigned • 4.4mi

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

2/10 Heat Factor

7 days above 79° expected this year, 16 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

Tiburon, CA • 94920

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

10.8 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$7.25M – $8.77M

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Home values near 300 Round Hill Rd

Data from public records.

Address	Redfin Estimate
285 Round Hill Road, Tiburon, CA 3 Beds \| 4 Baths \| 3240 Sq. Ft.	$4,120,395
238 Round Hill Road, Tiburon, CA 3 Beds \| 3 Baths \| 2784 Sq. Ft.	$4,519,384

Address	Redfin Estimate
240 Round Hill Road, Tiburon, CA 5 Beds \| 4.5 Baths \| 3189 Sq. Ft.	$4,731,882
245 Round Hill Road, Tiburon, CA 4 Beds \| 5 Baths \| 3244 Sq. Ft.	$5,154,491

Address	Redfin Estimate
260 Round Hill Road, Tiburon, CA 4 Beds \| 3 Baths \| 3510 Sq. Ft.	$4,602,016
270 Round Hill Road, Tiburon, CA 4 Beds \| 3 Baths \| 3383 Sq. Ft.	$3,469,609

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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 94920, CA

Sale history for 300 Round Hill Rd

Tax history for 300 Round Hill 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 94920

Home values near 300 Round Hill Rd

More real estate resources