523 Spencer Ave is a 1,582 square foot house on a 8,763 square foot lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $703,520.
Single-familyProperty Type
1917Year Built
8,763 sq ftLot Size
$445Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$703,520
$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22.7% lower than the average sale price ($910K) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,178 (+1.7%)
$31,225 + $75,925
$107,150
2024
$1,158 (+1.6%)
$30,613 + $74,437
$105,050
2023
$1,140 (+6.7%)
$30,013 + $72,978
$102,991
2022
$1,068 (+1.4%)
$29,425 + $71,548
$100,973
2021
$1,053 (+0.3%)
$28,849 + $70,146
$98,995
2020
$1,050 (+0.7%)
$28,284 + $68,771
$97,055
2019
$1,042 (+0.8%)
$27,994 + $68,066
$96,060
2018
$1,034 (+2.0%)
$27,446 + $66,732
$94,178
2017
$1,014 (+5.2%)
$26,381 + $64,142
$90,523
2015
$964 (+6.5%)
$25,864 + $62,885
$88,749
2014
$905
$24,977 + $60,728
$85,705
2013
$905 (+1.8%)
$24,977 + $60,728
$85,705
2012
$889 (+2.2%)
$24,865 + $60,454
$85,319
2011
$870 (+1.6%)
$24,378 + $59,269
$83,647
2010
$856 (−0.6%)
$23,900 + $58,107
$82,007
2009
$861 (+2.2%)
$23,722 + $57,673
$81,395
2007
$842
$23,313 + $56,678
$79,991
Tax history for 523 Spencer Ave
Year
Property tax
Land + Additions
Assessment*
2025
$1,178 (+1.7%)
$31,225 + $75,925
$107,150
2024
$1,158 (+1.6%)
$30,613 + $74,437
$105,050
2023
$1,140 (+6.7%)
$30,013 + $72,978
$102,991
2022
$1,068 (+1.4%)
$29,425 + $71,548
$100,973
2021
$1,053 (+0.3%)
$28,849 + $70,146
$98,995
2020
$1,050 (+0.7%)
$28,284 + $68,771
$97,055
2019
$1,042 (+0.8%)
$27,994 + $68,066
$96,060
2018
$1,034 (+2.0%)
$27,446 + $66,732
$94,178
2017
$1,014 (+5.2%)
$26,381 + $64,142
$90,523
2015
$964 (+6.5%)
$25,864 + $62,885
$88,749
2014
$905
$24,977 + $60,728
$85,705
2013
$905 (+1.8%)
$24,977 + $60,728
$85,705
2012
$889 (+2.2%)
$24,865 + $60,454
$85,319
2011
$870 (+1.6%)
$24,378 + $59,269
$83,647
2010
$856 (−0.6%)
$23,900 + $58,107
$82,007
2009
$861 (+2.2%)
$23,722 + $57,673
$81,395
2007
$842
$23,313 + $56,678
$79,991
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 28, 2015 • Final
Residential addition-alteration
Tear off and replace the roof on a detached garage.
Roofing
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: 5
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Pool Information
Has Pool
Property Information
Subdivision Name: MERRIAMS ADD
Living Sq. Ft: 1,582
Ground Floor Sq. Ft: 1,582
Building Sq. Ft: 1,582
# of Stories: 1
Legal Description: REMAP FROM 012-131-017-000 - 09/13/97
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 748
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,763
Legal Block Number: E
Acres: 0.2012
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,582
Stories: 1.0
Lot Size: 8,763 square feet
Style: Single Family Residential
Year Built: 1917
Year Renovated: 1940
County: Sonoma County
APN: 180600004000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Hidden Valley Elementary Satellite School
Public K-6 • Assigned • 1.8mi
8/10
Santa Rosa Middle School
Public 7-8 • Assigned • 0.6mi
2/10
Santa Rosa High School
Public 9-12 • Assigned • 0.3mi
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
10/10 Air Factor
21 unhealthy days expected this year, 21 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
82
55
86
55
82
57
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
$669,000 – $810,000
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