99 Mount Tiburon Rd is a 4,308 square foot house on a 0.6 acre lot with 6 bedrooms and 4 bathrooms. Based on Redfin's Tiburon data, we estimate the home's value is $7,140,316.
Single-familyProperty Type
1977Year Built
0.6 acresLot Size
$1,657Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$7,140,316
$99K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.5% higher than the average sale price ($6.08M) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$62,514 (+1.0%)
$3,902,584 + $1,528,976
$5,431,560
2025
$61,924 (+3.9%)
$3,902,584 + $1,528,976
$5,431,560
2024
$59,608 (+2.0%)
$3,826,088 + $1,499,006
$5,325,094
2023
$58,433 (+1.8%)
$3,751,076 + $1,469,617
$5,220,693
2022
$57,408 (+1.6%)
$3,677,548 + $1,440,810
$5,118,358
2021
$56,495 (+0.8%)
$3,605,448 + $1,412,563
$5,018,011
2020
$56,025 (+1.9%)
$3,534,776 + $1,384,874
$4,919,650
2019
$54,973 (+1.5%)
$3,498,544 + $1,370,679
$4,869,223
2018
$54,154 (+1.5%)
$3,429,972 + $1,343,814
$4,773,786
2017
$53,359 (+4.4%)
$3,296,832 + $1,291,651
$4,588,483
2016
$51,124 (−0.3%)
$3,296,832 + $1,291,651
$4,588,483
2015
$51,303 (+3.3%)
$3,232,208 + $1,266,332
$4,498,540
2014
$49,650 (+0.2%)
$3,121,328 + $1,222,891
$4,344,219
2013
$49,546 (+2.1%)
$3,121,328 + $1,222,891
$4,344,219
2012
$48,536 (+1.3%)
$3,107,244 + $1,217,373
$4,324,617
2011
$47,911 (+0.5%)
$3,046,344 + $1,193,514
$4,239,858
2010
$47,655 (+0.4%)
$2,986,620 + $1,170,115
$4,156,735
2009
$47,485 (+3.0%)
$2,964,304 + $1,161,371
$4,125,675
2008
$46,114
$2,971,360 + $1,164,136
$4,135,496
Tax history for 99 Mount Tiburon Rd
Year
Property tax
Land + Additions
Assessment*
2026
$62,514 (+1.0%)
$3,902,584 + $1,528,976
$5,431,560
2025
$61,924 (+3.9%)
$3,902,584 + $1,528,976
$5,431,560
2024
$59,608 (+2.0%)
$3,826,088 + $1,499,006
$5,325,094
2023
$58,433 (+1.8%)
$3,751,076 + $1,469,617
$5,220,693
2022
$57,408 (+1.6%)
$3,677,548 + $1,440,810
$5,118,358
2021
$56,495 (+0.8%)
$3,605,448 + $1,412,563
$5,018,011
2020
$56,025 (+1.9%)
$3,534,776 + $1,384,874
$4,919,650
2019
$54,973 (+1.5%)
$3,498,544 + $1,370,679
$4,869,223
2018
$54,154 (+1.5%)
$3,429,972 + $1,343,814
$4,773,786
2017
$53,359 (+4.4%)
$3,296,832 + $1,291,651
$4,588,483
2016
$51,124 (−0.3%)
$3,296,832 + $1,291,651
$4,588,483
2015
$51,303 (+3.3%)
$3,232,208 + $1,266,332
$4,498,540
2014
$49,650 (+0.2%)
$3,121,328 + $1,222,891
$4,344,219
2013
$49,546 (+2.1%)
$3,121,328 + $1,222,891
$4,344,219
2012
$48,536 (+1.3%)
$3,107,244 + $1,217,373
$4,324,617
2011
$47,911 (+0.5%)
$3,046,344 + $1,193,514
$4,239,858
2010
$47,655 (+0.4%)
$2,986,620 + $1,170,115
$4,156,735
2009
$47,485 (+3.0%)
$2,964,304 + $1,161,371
$4,125,675
2008
$46,114
$2,971,360 + $1,164,136
$4,135,496
*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
Sep 9, 2025 • Final
Encroachment
Excavate to cut off a gas idle stub and restore the area.
Gas
Jan 1, 2022 • Final
Roof mounted solar
Install a roof-mounted solar system.
Electrical
Solar
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: 3
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Excellent
Property Information
Subdivision Name: MOUNT TIBURON 02
Living Sq. Ft: 4,308
Building Sq. Ft: 4,308
# of Units: 1
Legal Description: MAP 11 PG 57 LOT 33
Parking & Garage Information
Garage/Parking Sq. Ft: 484
Lot Information
# of Buildings: 1
Land Sq. Ft: 26,000
Legal Lot Number: 33
Municipality Name: TIBURON
Acres: 0.5969
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: TIBURON
Public facts
Beds: 6
Baths: 4.0
Sq. Ft.: 4,308
Stories: —
Lot Size: 0.6 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1985
County: Marin County
APN: 058-261-30
Home facts updated by county records on Oct 19, 2026
Around this home
Schools
K - 12
Preschool & daycare
Reed Elementary School
Public K-2 • Assigned • 0.6mi
Del Mar Middle School
Public 6-8 • Assigned • 0.9mi
10/10
Redwood High School
Public 9-12 • Assigned • 4.6mi
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, 15 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)
59
48
60
49
65
52
62
51
66
53
66
53
67
56
70
57
70
59
68
56
61
51
56
48
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
$6.78M – $8.21M
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