817 Humboldt St is a 1,818 square foot multi-family home on a 8,050 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on May 03, 1984 for $120,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $716,539.
Multi-familyProperty Type
1970Year Built
8,050 sq ftLot Size
$394Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$716,539
$597K since sold in May 1984$18K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.5% lower than the average sale price ($767K) 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.
Permits
Feb 27, 2019 • Active
Residential electrical
Upgrade an existing residential electrical sub panel to a higher amperage capacity.
Electrical
Electric meter
Jun 28, 2015 • Final
Residential mechanical
Replace the existing furnace in the garage.
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
Bathroom Information
# of Full Baths: 2
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,818
Building Sq. Ft: 2,532
# of Stories: 1
Legal Description: REMAP FROM 012-105-004-000 - 09/13/97
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 714
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,050
Acres: 0.1848
Zoning Code: CITYSR
County Use Description: DUPLEX
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,818
Stories: 1.0
Lot Size: 8,050 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1970
Year Renovated: 1972
County: Sonoma County
APN: 180710048000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Proctor Terrace Elementary School
Public K-6 • Assigned • 1.0mi
4/10
Santa Rosa Middle School
Public 7-8 • Assigned • 0.4mi
2/10
Santa Rosa High School
Public 9-12 • Assigned • 0.5mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° 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, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
63
41
64
44
72
47
70
47
77
51
80
54
79
54
86
55
83
55
79
51
65
46
60
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$681,000 – $825,000
Reach more buyers when you sell with Redfin. Save up to $7,165 in fees.3 minutes to get started.