4520 Old Barn Rd is a 3,879 square foot house on a 0.92 acre lot with 3 bedrooms and 3.5 bathrooms. Based on Redfin's Healdsburg data, we estimate the home's value is $2,119,556.
Single-familyProperty Type
1982Year Built
0.92 acresLot Size
$546Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,119,556
$475K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.7% lower than the average sale price ($2.30M) of 6 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
$15,568 (+3.4%)
$444,190 + $907,299
$1,351,489
2024
$15,057 (−22.8%)
$435,481 + $889,509
$1,324,990
2023
$19,492 (+130.4%)
$426,943 + $872,068
$1,299,011
2022
$8,460 (+0.9%)
$704,079 + $979,357
$1,683,436
2021
$8,383 (+1.5%)
$37,153 + $675,607
$712,760
2020
$8,262 (−57.3%)
$36,425 + $662,360
$698,785
2019
$19,342 (+2.0%)
$36,052 + $655,569
$691,621
2018
$18,965 (+2.5%)
$37,139 + $1,606,788
$1,643,927
2017
$18,501 (+9.6%)
$35,698 + $1,544,396
$1,580,094
2015
$16,880 (+1.1%)
$34,999 + $1,514,114
$1,549,113
2014
$16,702 (+0.4%)
$33,799 + $1,462,158
$1,495,957
2013
$16,639 (+1.5%)
$33,799 + $1,462,158
$1,495,957
2012
$16,391 (+1.8%)
$33,647 + $1,455,550
$1,489,197
2011
$16,094 (+0.6%)
$32,988 + $1,427,010
$1,459,998
2010
$16,003 (−0.6%)
$32,342 + $1,399,030
$1,431,372
2009
$16,092 (+1.4%)
$32,101 + $1,388,575
$1,420,676
2007
$15,871
$31,548 + $1,364,583
$1,396,131
Tax history for 4520 Old Barn Rd
Year
Property tax
Land + Additions
Assessment*
2025
$15,568 (+3.4%)
$444,190 + $907,299
$1,351,489
2024
$15,057 (−22.8%)
$435,481 + $889,509
$1,324,990
2023
$19,492 (+130.4%)
$426,943 + $872,068
$1,299,011
2022
$8,460 (+0.9%)
$704,079 + $979,357
$1,683,436
2021
$8,383 (+1.5%)
$37,153 + $675,607
$712,760
2020
$8,262 (−57.3%)
$36,425 + $662,360
$698,785
2019
$19,342 (+2.0%)
$36,052 + $655,569
$691,621
2018
$18,965 (+2.5%)
$37,139 + $1,606,788
$1,643,927
2017
$18,501 (+9.6%)
$35,698 + $1,544,396
$1,580,094
2015
$16,880 (+1.1%)
$34,999 + $1,514,114
$1,549,113
2014
$16,702 (+0.4%)
$33,799 + $1,462,158
$1,495,957
2013
$16,639 (+1.5%)
$33,799 + $1,462,158
$1,495,957
2012
$16,391 (+1.8%)
$33,647 + $1,455,550
$1,489,197
2011
$16,094 (+0.6%)
$32,988 + $1,427,010
$1,459,998
2010
$16,003 (−0.6%)
$32,342 + $1,399,030
$1,431,372
2009
$16,092 (+1.4%)
$32,101 + $1,388,575
$1,420,676
2007
$15,871
$31,548 + $1,364,583
$1,396,131
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 29, 2023 • Final
Building permit with plan check
Install an energy storage system consisting of Tesla Powerwalls to an existing ground mount.
Battery
Electrical
Nov 30, 2023 • Final
Building permit with plan check
Install a ground-mounted solar system on a residential building. The energy storage system and battery were removed from the scope of work.
Battery
Electrical
Solar
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: 3
# of 1/2 Baths: 1
Room Information
# of Rooms: 9
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Living Sq. Ft: 3,879
Building Sq. Ft: 4,167
# of Stories: 2
Legal Description: 95 FM 88-040-19 LLA 93-133 OR 94114736
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 288
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 40,101
Acres: 0.9206
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.5
Sq. Ft.: 3,879
Stories: 2.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 1982
Year Renovated: 1992
County: Sonoma County
APN: 088040030000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Healdsburg Elementary School
Public K-5 • Assigned • 3.1mi
9/10
Healdsburg Junior High School
Public 6-8 • Assigned • 3.2mi
6/10
Healdsburg High School
Public 9-12 • Assigned • 2.9mi
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
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 94° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Healdsburg, CA • 95448
Average low and high temperatures (°F)
62
40
63
44
71
47
69
47
78
52
82
54
81
54
89
55
85
54
78
51
63
45
58
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.01M – $2.44M
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