2670 Harmonica Ln is a 1,716 square foot house on a 6,629 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on April 12, 2006 for $582,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $685,528.
Single-familyProperty Type
1997Year Built
6,629 sq ftLot Size
$399Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$685,528
$104K since sold in April 2006$15K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.1% lower than the average sale price ($693K) 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
Oct 20, 2025 • Active
Residential addition-alteration
Demolish the existing roof and remove all existing vents and flashing. Install new waterproofing, flashing, and vents on top of the existing plywood. Install new shingles on the residential building.
Roofing
Feb 28, 2024 • Final
Residential mechanical
Replace the furnace in a residential building.
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: BELLVUE RANCH PH 01
Living Sq. Ft: 1,716
Building Sq. Ft: 1,716
# of Stories: 1
Legal Description: 97 FM 134-042-05 BELLEVUE RANCH SUB PH 1 LOT 57
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,629
Legal Lot Number: 57
Acres: 0.1522
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,716
Stories: 1.0
Lot Size: 6,629 square feet
Style: Single Family Residential
Year Built: 1997
Year Renovated: 1997
County: Sonoma County
APN: 134310057000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Meadow View Elementary School
Public K-6 • Assigned • 0.5mi
3/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 3.5mi
1/10
Elsie Allen High School
Public 9-12 • Assigned • 0.2mi
2/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 70-78% chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° 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, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95407
Average low and high temperatures (°F)
62
39
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43
70
45
67
46
74
50
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78
53
83
54
80
56
78
50
65
45
58
43
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$652,000 – $789,000
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