27 Billou St is a 1,314 square foot house on a 6,000 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's San Rafael data, we estimate the home's value is $1,058,573.
Single-familyProperty Type
1947Year Built
6,000 sq ftLot Size
$806Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,058,573
$15K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.1% lower than the average sale price ($1.09M) of 6 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
$3,425 (+9.0%)
$35,624 + $58,758
$94,382
2024
$3,141 (+4.5%)
$34,926 + $57,606
$92,532
2023
$3,004 (+3.2%)
$34,241 + $56,477
$90,718
2022
$2,911 (+1.5%)
$33,570 + $55,370
$88,940
2021
$2,867 (+2.8%)
$32,912 + $54,284
$87,196
2020
$2,788 (+6.9%)
$32,267 + $53,220
$85,487
2019
$2,608 (+1.3%)
$31,936 + $52,674
$84,610
2018
$2,576 (+2.6%)
$31,310 + $51,642
$82,952
2017
$2,510 (+4.4%)
$30,094 + $49,637
$79,731
2016
$2,403 (+4.3%)
$30,094 + $49,637
$79,731
2015
$2,304 (+5.6%)
$29,504 + $48,663
$78,167
2014
$2,181 (+2.9%)
$28,485 + $46,989
$75,474
2013
$2,120 (+5.1%)
$28,485 + $46,989
$75,474
2012
$2,018 (+1.5%)
$28,356 + $46,777
$75,133
2011
$1,988 (+1.4%)
$27,801 + $45,860
$73,661
2010
$1,962 (+5.9%)
$27,256 + $44,960
$72,216
2009
$1,852 (+5.6%)
$27,052 + $44,625
$71,677
2008
$1,753
$27,116 + $44,731
$71,847
Tax history for 27 Billou St
Year
Property tax
Land + Additions
Assessment*
2025
$3,425 (+9.0%)
$35,624 + $58,758
$94,382
2024
$3,141 (+4.5%)
$34,926 + $57,606
$92,532
2023
$3,004 (+3.2%)
$34,241 + $56,477
$90,718
2022
$2,911 (+1.5%)
$33,570 + $55,370
$88,940
2021
$2,867 (+2.8%)
$32,912 + $54,284
$87,196
2020
$2,788 (+6.9%)
$32,267 + $53,220
$85,487
2019
$2,608 (+1.3%)
$31,936 + $52,674
$84,610
2018
$2,576 (+2.6%)
$31,310 + $51,642
$82,952
2017
$2,510 (+4.4%)
$30,094 + $49,637
$79,731
2016
$2,403 (+4.3%)
$30,094 + $49,637
$79,731
2015
$2,304 (+5.6%)
$29,504 + $48,663
$78,167
2014
$2,181 (+2.9%)
$28,485 + $46,989
$75,474
2013
$2,120 (+5.1%)
$28,485 + $46,989
$75,474
2012
$2,018 (+1.5%)
$28,356 + $46,777
$75,133
2011
$1,988 (+1.4%)
$27,801 + $45,860
$73,661
2010
$1,962 (+5.9%)
$27,256 + $44,960
$72,216
2009
$1,852 (+5.6%)
$27,052 + $44,625
$71,677
2008
$1,753
$27,116 + $44,731
$71,847
*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
R5
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.
Permitted uses
Include but are not limited to:
Garden center
Housing-Single unit
Housing-Multiple units
Housing-Senior
Educational/school
Recreation
Park & open space
Dec 29, 2015 • Final
Building
Work on a reroof.
Roofing
Sep 25, 2003 • Final
Mechanical
Work on a furnace.
HVAC
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Average
Property Information
Subdivision Name: BRET HARTE VILLAGE 01
Living Sq. Ft: 1,314
Building Sq. Ft: 1,314
# of Units: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 200
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,000
Legal Lot Number: 44
Municipality Name: SAN RAFAEL
Acres: 0.1377
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SAN RAFAEL
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,314
Stories: —
Lot Size: 6,000 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Marin County
APN: 013-193-11
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Laurel Dell Elementary School
Public K-5 • Assigned • 0.5mi
8/10
James B. Davidson Middle School
Public 6-8 • Assigned • 0.6mi
6/10
San Rafael High School
Public 9-12 • Assigned • 0.8mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
8/10 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
7 days above 86° 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
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
$1.01M – $1.22M
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