21 Frances St is a 1,241 square foot house on a 4,675 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on November 30, 2001 for $510,000. Based on Redfin's San Rafael data, we estimate the home's value is $954,433.
Single-familyProperty Type
1907Year Built
4,675 sq ftLot Size
$769Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$954,433
$444K since sold in November 2001$102K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13% lower than the average sale price ($1.10M) of 6 comparable homes.
*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
DR
Duplex Residential District
The duplex residential district provides opportunities for single-family and duplex residential development. As a transitional area between single-family and multifamily districts, an intent of the district is to maintain the design character of single-family districts.; The duplex residential district is included in the medium-density residential land use category with a density of 2,500 sq ft per dwelling unit.
Permitted uses
Include but are not limited to:
Garden center
Housing-Single unit
Housing-Multiple units
Housing-Senior
Educational/school
Recreation
Park & open space
Jul 3, 2025 • Final
Reroof
Remove existing roofing layers and install new class A composition shingles.
Roofing
May 25, 2023 • Final
Electric
Upgrade the electrical service panel to a 200 amp capacity.
Electrical
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
Basement Information
Basement Sq. Ft: 1,118
Basement Type: Unfinished
Heating & Cooling
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Wood Shake/Shingle
Property Information
Subdivision Name: BRET HARTE VILLAGE 02
Living Sq. Ft: 1,241
Building Sq. Ft: 2,359
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,675
Legal Lot Number: 127
Municipality Name: SAN RAFAEL
Acres: 0.1073
County Use Description: 1 FAMILY RESID
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SAN RAFAEL
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,241
Stories: 1.0
Lot Size: 4,675 square feet
Style: Single Family Residential
Year Built: 1907
Year Renovated: 1926
County: Marin County
APN: 012-151-04
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Sun Valley Elementary School
Public K-5 • Assigned • 1.4mi
10/10
James B. Davidson Middle School
Public 6-8 • Assigned • 0.5mi
6/10
San Rafael High School
Public 9-12 • Assigned • 1.2mi
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
2/10 Fire Factor
0.00% chance of being 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
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47
72
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74
54
80
55
78
55
74
52
62
47
55
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$1.06M – $1.28M
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