623 B St is a 1,458 square foot multi-family home on a 5,000 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on May 19, 1997 for $225,000. Based on Redfin's San Rafael data, we estimate the home's value is $916,556.
Multi-familyProperty Type
1898Year Built
5,000 sq ftLot Size
$629Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$916,556
$692K since sold in May 1997$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.5% lower than the average sale price ($1.01M) 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
NC
Neighborhood Commercial District
The neighborhood commercial district provides convenient shopping areas within residential neighborhoods for retail items and personal services which may be needed on a frequent basis for vicinity residents. Examples of convenience goods or services include supermarkets, pharmacies, dry cleaners and personal service establishments.
Permitted uses
Include but are not limited to:
Bank
Day care facility
Laundromat
General retail
Retail-Grocery
Restaurant
Housing-Senior
Office
Educational / school
Recreation
Dec 1, 2021 • Final
Encroachment online
Perform emergency leak repairs.
Gas
Sep 30, 2016 • Final
Encroachment
Repair a leak on a residential building.
Gas
Plumbing
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: 1,390
Basement Type: Unfinished
Heating & Cooling
Heating Type: Central
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Average
Property Information
Subdivision Name: MAHONS ADD
Living Sq. Ft: 1,458
Building Sq. Ft: 2,848
# of Units: 2
Legal Description: BLK 20
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,000
Legal Block Number: 20
Municipality Name: SAN RAFAEL
Acres: 0.1148
County Use Description: MULTI FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SAN RAFAEL
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,458
Stories: —
Lot Size: 5,000 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1898
Year Renovated: 1930
County: Marin County
APN: 012-076-05
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 • 0.4mi
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
5/10 Flood Factor
Estimated 41-55% chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 86° 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
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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69
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47
72
50
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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
$871,000 – $1.06M
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