2321 Brompton Ave is a 1,870 square foot house on a 4,910 square foot lot with 4 bedrooms and 2.5 bathrooms. - it last sold on June 21, 2019 for $620,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $783,594.
Single-familyProperty Type
1994Year Built
4,910 sq ftLot Size
$419Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$783,594
$164K since sold in June 2019$11K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.8% higher than the average sale price ($748K) 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
May 4, 2021 • Final
Residential addition-alteration
Remove and dispose of the old composition shingle roof on a single-family home. Install a new architectural laminate fiberglass composition shingle roof.
Roofing
Sep 25, 2020 • Final
Residential mechanical
Replace a failed furnace with a new 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
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: SAN MIGUEL ESTATES 02B
Living Sq. Ft: 1,870
Building Sq. Ft: 2,290
# of Stories: 2
Legal Description: 95 FM 034-023-008 SAN MIGUEL EST NO.2 B LOT 44
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 420
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,910
Legal Lot Number: 44
Acres: 0.1127
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 1,870
Stories: 2.0
Lot Size: 4,910 square feet
Style: Single Family Residential
Year Built: 1994
Year Renovated: 1995
County: Sonoma County
APN: 034680044000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Jack London Elementary School
Public K-6 • Assigned • 0.4mi
5/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 1.5mi
1/10
Piner High School
Public 9-12 • Assigned • 1.1mi
4/10
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, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
18 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95403
Average low and high temperatures (°F)
62
39
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43
71
45
69
46
77
50
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53
81
54
86
54
81
56
73
50
64
44
59
42
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
$745,000 – $902,000
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