Google street view image for 86 Lagoon Rd, Belvedere, CA 94920

Off Market Dec 2020 for $10M

$10,934,060

Est. refi paymentEst. refi $65,769/mo

•

5 ba

•

5,135

sq ft

86 Lagoon Rd, Belvedere, CA 94920

About this home

86 Lagoon Rd is a 5,135 square foot house on a 7,420 square foot lot with 7 bedrooms and 5 bathrooms. - it last sold on December 30, 2020 for $10,175,000. Based on Redfin's Belvedere data, we estimate the home's value is $10,934,060.

Single-familyProperty Type

1970Year Built

7,420 sq ftLot Size

$2,129Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$10,934,060

$759K since sold in December 2020$197K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 45.7% higher than the average sale price ($7.51M) of 5 comparable homes.

SOLD JUL 6, 2026
$4,250,000
A
5 beds3.5 baths2,905 sq ft
266 Bayview Ave, Belvedere, CA 94920
SOLD APR 24, 2026
$4,300,000
B
4 beds3.5 baths3,620 sq ft
138 Madrona Ave, Belvedere, CA 94920
SOLD JUL 6, 2026
$11,350,000
C
6 beds5.5 baths5,345 sq ft
616 Ridge Rd, Tiburon, CA 94920
SOLD JUL 24, 2026
$10,500,000
D
5 beds5.5 baths4,715 sq ft
82 Alcatraz Ave, Belvedere Tiburon, CA 94920
SOLD JUN 5, 2026
$7,130,000
E
5 beds3.5 baths3,900 sq ft
86 Sugarloaf Dr, Tiburon, CA 94920

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Earn from this home

Sell

$3,129,022

Est. take-home

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Refinance

Est. cash available

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Rent

$11,309/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

102.3%

+0.2% MoM

Median sale price

$3.6M

$104K MoM

Avg. days on market

27d

3 days MoM

Recently sold homes

5 MoM

New listings for sale

NEW 1 HR AGO
$3,477,000
4 beds3.5 baths2,270 sq ft
529 Virginia Dr, Tiburon, CA 94920
$3,650,000
3 beds3 baths1,935 sq ft
246 Beach Rd, Belvedere, CA 94920
$2,495,000
4 beds3 baths1,820 sq ft
11 Alcatraz Ave, Belvedere, CA 94920
EARLY ACCESS
$4,775,000
4 beds4 baths3,530 sq ft
2349 Spanish Trail Rd, Tiburon, CA 94920
$2,695,000
3 beds3.5 baths2,410 sq ft
1855 Mar West St, Tiburon, CA 94920
$5,950,000
5 beds5.5 baths6,162 sq ft
4633 Paradise Dr, Tiburon, CA 94920
See all

Provided by Redfin

Sale history for 86 Lagoon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$136,274 (+3.8%)

$7,728,420 + $4,467,760

$12,196,180

2024

$131,288 (+9.8%)

$7,576,940 + $4,380,183

$11,957,123

2023

$119,597 (+1.1%)

$7,428,400 + $4,294,310

$11,722,710

2022

$118,291 (+1.8%)

$7,282,800 + $3,338,270

$10,621,070

2021

$116,153 (+121.1%)

$7,140,000 + $3,273,500

$10,413,500

2020

$52,530 (+1.9%)

$7,000,000 + $3,175,000

$10,175,000

2019

$51,562 (+1.6%)

$2,649,240 + $1,737,971

$4,387,211

2018

$50,767 (+1.5%)

$2,597,310 + $1,703,903

$4,301,213

2017

$50,018 (+4.3%)

$2,496,465 + $1,637,746

$4,134,211

2016

$47,972 (+3.1%)

$2,496,465 + $1,637,746

$4,134,211

2015

$46,549 (+7.9%)

$2,447,527 + $1,605,642

$4,053,169

2014

$43,140 (+4.3%)

$2,173,500 + $1,427,916

$3,601,416

2013

$41,349 (+0.3%)

$2,173,500 + $1,427,916

$3,601,416

2012

$41,236 (−0.5%)

$2,070,000 + $1,359,920

$3,429,920

2011

$41,447 (+0.3%)

$2,070,000 + $1,359,920

$3,429,920

2010

$41,307 (−6.0%)

$2,070,000 + $1,359,920

$3,429,920

2009

$43,927 (−7.2%)

$2,070,000 + $1,359,920

$3,429,920

2008

$47,328

$2,250,000 + $1,451,000

$3,701,000

Tax history for 86 Lagoon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$136,274 (+3.8%)

$7,728,420 + $4,467,760

$12,196,180

2024

$131,288 (+9.8%)

$7,576,940 + $4,380,183

$11,957,123

2023

$119,597 (+1.1%)

$7,428,400 + $4,294,310

$11,722,710

2022

$118,291 (+1.8%)

$7,282,800 + $3,338,270

$10,621,070

2021

$116,153 (+121.1%)

$7,140,000 + $3,273,500

$10,413,500

2020

$52,530 (+1.9%)

$7,000,000 + $3,175,000

$10,175,000

2019

$51,562 (+1.6%)

$2,649,240 + $1,737,971

$4,387,211

2018

$50,767 (+1.5%)

$2,597,310 + $1,703,903

$4,301,213

2017

$50,018 (+4.3%)

$2,496,465 + $1,637,746

$4,134,211

2016

$47,972 (+3.1%)

$2,496,465 + $1,637,746

$4,134,211

2015

$46,549 (+7.9%)

$2,447,527 + $1,605,642

$4,053,169

2014

$43,140 (+4.3%)

$2,173,500 + $1,427,916

$3,601,416

2013

$41,349 (+0.3%)

$2,173,500 + $1,427,916

$3,601,416

2012

$41,236 (−0.5%)

$2,070,000 + $1,359,920

$3,429,920

2011

$41,447 (+0.3%)

$2,070,000 + $1,359,920

$3,429,920

2010

$41,307 (−6.0%)

$2,070,000 + $1,359,920

$3,429,920

2009

$43,927 (−7.2%)

$2,070,000 + $1,359,920

$3,429,920

2008

$47,328

$2,250,000 + $1,451,000

$3,701,000

*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 Style Type: Contemporary
Building Construction Quality: Excellent

Pool Information
Has Pool

Property Information
Subdivision Name: LAGOON SUB #7
Living Sq. Ft: 5,135
Building Sq. Ft: 5,135
# of Units: 1

Parking & Garage Information
Garage/Parking Sq. Ft: 630

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,420
Legal Lot Number: 35
Municipality Name: BELVEDERE
Acres: 0.1703
County Use Description: 1 FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026
Tax Area: BELVEDERE

Public facts

Beds: 7
Baths: 5.0
Sq. Ft.: 5,135
Stories: —
Lot Size: 7,420 square feet
Style: Single Family Residential
Year Built: 1970
Year Renovated: 1979
County: Marin County
APN: 060-051-41

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Reed Elementary School

Public K-2 • Assigned • 0.3mi

Del Mar Middle School

Public 6-8 • Assigned • 1.5mi

10/10

Redwood High School

Public 9-12 • Assigned • 5.3mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

10/10 Flood Factor

Estimated 80%+ 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 79° 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

Belvedere, 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

$10.39M – $12.58M

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Nearby similar homes

NEW 1 HR AGO

$3,477,000

4 beds3.5 baths2,270 sq ft

529 Virginia Dr, Tiburon, CA 94920

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5 beds3.5 baths4,170 sq ft

4755 Paradise Dr, Tiburon, CA 94920

$649,000

1 bed1 bath475 sq ft

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307 North St, Sausalito, CA 94965

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4 beds3 baths3,066 sq ft

125 Tiburon Blvd, Mill Valley, CA 94941

VIDEO TOUR

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4 beds4 baths4,495 sq ft

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New listings for sale in 94920

NEW 1 HR AGO

$3,477,000

4 beds3.5 baths2,270 sq ft

529 Virginia Dr, Tiburon, CA 94920

$3,650,000

3 beds3 baths1,935 sq ft

246 Beach Rd, Belvedere, CA 94920

$2,495,000

4 beds3 baths1,820 sq ft

11 Alcatraz Ave, Belvedere, CA 94920

EARLY ACCESSCOMPASS COMING SOON

$4,775,000

4 beds4 baths3,530 sq ft

2349 Spanish Trail Rd, Tiburon, CA 94920

$2,695,000

3 beds3.5 baths2,410 sq ft

1855 Mar West St, Tiburon, CA 94920

$5,950,000

5 beds5.5 baths6,162 sq ft

4633 Paradise Dr, Tiburon, CA 94920

Home values near 86 Lagoon Rd

Data from public records.

Address	Redfin Estimate
84 Lagoon Rd, Tiburon, CA 4 Beds \| 4 Baths \| 3918 Sq. Ft.	$5,458,445
90 Lagoon Rd, Belvedere Tiburon, CA 4 Beds \| 4 Baths \| 2622 Sq. Ft.	$9,626,384

Address	Redfin Estimate
76 Lagoon Rd, Belvedere, CA 5 Beds \| 4 Baths \| 3466 Sq. Ft.	$6,545,316
92 Lagoon Rd, Belvedere, CA 4 Beds \| 3 Baths \| 3598 Sq. Ft.	$4,710,066

Address	Redfin Estimate
94 Lagoon Rd, Belvedere Tiburon, CA 4 Beds \| 3 Baths \| 2326 Sq. Ft.	$4,744,953
72 Lagoon Rd, Tiburon, CA 4 Beds \| 2.5 Baths \| 4596 Sq. Ft.	$10,741,846

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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 86 Lagoon Rd

Tax history for 86 Lagoon Rd

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 86 Lagoon Rd

More real estate resources