665 12th St is a 2,517 square foot house on a 0.35 acre lot with 3 bedrooms and 1.5 bathrooms. - it last sold on October 26, 2009 for $449,000. Based on Redfin's Arcata data, we estimate the home's value is $784,196.
Single-familyProperty Type
1938Year Built
0.35 acresLot Size
$312Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$784,196
$335K since sold in October 2009$25K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.9% higher than the average sale price ($689K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RH
NCA
Residential-High Density District
The RH zoning district is applied to areas appropriate for various types of multi-family housing, including duplexes, townhouses, and apartments. The allowable density ranges from 15.01 to 32 units per acre. The RH zoning district is consistent with and implements the Residential - High Density land use classification of the General Plan.
Zone overlays
Arcata Heights Conservation Area
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Student
Infrastructure
Bed & breakfast
Housing-Mobile home park
Park & open space
Property details
Interior
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Property Information
Subdivision Name: ARCAT
Living Sq. Ft: 2,517
Building Sq. Ft: 2,517
# of Stories: 2
Legal Description: B238 /B5P81 M0283C TA K ADD-ARCAT 86C 600775C080586C 00000000 N
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,246
Legal Block Number: 238
Acres: 0.35
County Use Description: SINGLE FAMILY RES - IMPROVED
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.5
Sq. Ft.: 2,517
Stories: 2.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1938
Year Renovated: —
County: Humboldt County
APN: 021088002000
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Arcata Elementary School
Public K-5 • Assigned • 0.8mi
4/10
Sunny Brae Middle School
Public 6-8 • Assigned • 1.3mi
6/10
Arcata High School
Public 9-12 • Assigned • 0.5mi
9/10
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
2/10 Heat Factor
8 days above 77° expected this year, 22 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
9 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Arcata, CA • 95521
Average low and high temperatures (°F)
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62
52
65
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65
52
62
47
57
44
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43
Jan
Feb
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May
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Sun exposure
In this area, properties receive around 9.6 hours in
June and 3.9 hours in December, placing it below the
U.S. average for solar exposure.
9.6 hrs
3.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$745,000 – $902,000
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