27 Sienna Way is a 2,708 square foot house on a 9,702 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's San Rafael data, we estimate the home's value is $1,767,917.
Single-familyProperty Type
1963Year Built
9,702 sq ftLot Size
$653Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,767,917
$10K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.1% lower than the average sale price ($1.95M) 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*
2025
$11,091 (+6.1%)
$290,796 + $421,930
$712,726
2024
$10,453 (+2.0%)
$285,095 + $413,658
$698,753
2023
$10,245 (+5.5%)
$279,505 + $405,547
$685,052
2022
$9,712 (+1.6%)
$274,025 + $397,596
$671,621
2021
$9,557 (+1.2%)
$268,653 + $389,802
$658,455
2020
$9,446 (+5.0%)
$263,385 + $382,158
$645,543
2019
$8,993 (+1.0%)
$260,685 + $378,242
$638,927
2018
$8,902 (+3.8%)
$255,575 + $370,827
$626,402
2017
$8,574 (+3.5%)
$245,653 + $356,430
$602,083
2016
$8,282 (+4.6%)
$245,653 + $356,430
$602,083
2015
$7,918 (+4.4%)
$240,837 + $349,443
$590,280
2014
$7,585 (+0.3%)
$232,575 + $337,455
$570,030
2013
$7,560 (+3.9%)
$232,575 + $337,455
$570,030
2012
$7,275 (+1.7%)
$231,525 + $335,930
$567,455
2011
$7,154 (+2.7%)
$226,985 + $329,344
$556,329
2010
$6,968 (+2.6%)
$222,535 + $322,887
$545,422
2009
$6,788 (+4.2%)
$220,873 + $310,552
$531,425
2008
$6,514
$221,398 + $311,290
$532,688
Tax history for 27 Sienna Way
Year
Property tax
Land + Additions
Assessment*
2025
$11,091 (+6.1%)
$290,796 + $421,930
$712,726
2024
$10,453 (+2.0%)
$285,095 + $413,658
$698,753
2023
$10,245 (+5.5%)
$279,505 + $405,547
$685,052
2022
$9,712 (+1.6%)
$274,025 + $397,596
$671,621
2021
$9,557 (+1.2%)
$268,653 + $389,802
$658,455
2020
$9,446 (+5.0%)
$263,385 + $382,158
$645,543
2019
$8,993 (+1.0%)
$260,685 + $378,242
$638,927
2018
$8,902 (+3.8%)
$255,575 + $370,827
$626,402
2017
$8,574 (+3.5%)
$245,653 + $356,430
$602,083
2016
$8,282 (+4.6%)
$245,653 + $356,430
$602,083
2015
$7,918 (+4.4%)
$240,837 + $349,443
$590,280
2014
$7,585 (+0.3%)
$232,575 + $337,455
$570,030
2013
$7,560 (+3.9%)
$232,575 + $337,455
$570,030
2012
$7,275 (+1.7%)
$231,525 + $335,930
$567,455
2011
$7,154 (+2.7%)
$226,985 + $329,344
$556,329
2010
$6,968 (+2.6%)
$222,535 + $322,887
$545,422
2009
$6,788 (+4.2%)
$220,873 + $310,552
$531,425
2008
$6,514
$221,398 + $311,290
$532,688
*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
R20
H
Single-Family Residential District
The single-family residential districts provide opportunities for low-density, detached single-family residential development. Development densities are based on existing development patterns in the area and environmental site constraints. In hillside areas, development shall conform to the hillside development standards and review procedures established in Chapter 14.12, Hillside Development Overlay District.; Single-family residential districts include hillside resource residential land use categories with minimum densities of 2 or more acres for minimum lot sizes; hillside residential and residential estate categories with densities from 20,000 sq ft to 2 acre lot minimums; and low-density residential land use categories with densities ranging from 5,000 sq ft to 20,000 sq ft lot minimums.
Zone overlays
Hillside Development Overlay District
Permitted uses
Include but are not limited to:
Garden center
Housing-Single unit
Housing-Multiple units
Housing-Senior
Educational/school
Recreation
Park & open space
Sep 6, 2024 • Final
Encroachment online
Replace a utility pole and anchor.
Electrical
Aug 15, 2018 • Final
Encroachment
Replace the copper gas service line.
Gas
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: Good
Pool Information
Has Pool
Property Information
Subdivision Name: DOMINICAN HEIGHTS 02
Living Sq. Ft: 2,708
Building Sq. Ft: 2,708
# of Units: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 483
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,702
Legal Lot Number: 40
Municipality Name: SAN RAFAEL
Acres: 0.2227
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SAN RAFAEL
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,708
Stories: —
Lot Size: 9,702 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Marin County
APN: 015-284-02
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Coleman Elementary School
Public K-5 • Assigned • 0.5mi
7/10
James B. Davidson Middle School
Public 6-8 • Assigned • 1.4mi
6/10
San Rafael High School
Public 9-12 • Assigned • 1.0mi
6/10
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
3/10 Heat Factor
7 days above 86° 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
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
San Rafael, CA • 94901
Average low and high temperatures (°F)
59
42
61
45
69
48
67
47
72
50
75
52
74
54
80
55
78
55
74
52
62
47
55
44
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
$1.68M – $2.03M
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