Property Record
421 Walnut Ave, Sonoma, CA 95476
Property Detail
421 Walnut Ave
052-422-026
Sonoma
Multifamilydwelling
California
R15UA
26,27
B and X Area of moderate flood hazard, usually the area between the limits of the 100-year and 500-year floods.
0.34 AC
2025
Sonoma
2025
North Bay/Santa Rosa
150304
Santa Rosa-Petaluma, CA
1,792 SF
NEARBY LISTINGS FOR SALE OR LEASE
DEMOGRAPHICS near 421 Walnut Ave
1 mile
3 mile
5 mile
2025 Total Population
11,804
32,499
35,658
2030 Population
11,833
32,591
35,629
Pop Growth 2025-2030
+ 0.25%
+ 0.28%
(0.08%)
Average Age
45
47
48
2025 Total Households
4,886
13,878
15,198
HH Growth 2025-2030
+ 0.23%
+ 0.33%
(0.04%)
Median Household Inc
$112,804
$108,477
$110,025
Avg Household Size
2.40
2.30
2.30
2025 Avg HH Vehicles
2.00
2.00
2.00
Median Home Value
$799,970
$858,463
$873,762
Median Year Built
1977
1977
1976
Nearby Places
Map Layers
Map Styles
Street
Aerial
Transit
Transit
Traffic
Biking
Places
Listings with unknown addresses are not visible on the map
- Restaurants
- Banks
- Shops
- Fitness
- Groceries
PUBLIC TRANSPORTATION
AIRPORT
Charles M Schulz - Sonoma County
Drive
Walk
Distance
Charles M Schulz - Sonoma County
46 min
28.9 mi
Freight Ports
Port of Richmond
Drive
Walk
Distance
Port of Richmond
56 min
38.8 mi
SALE & LEASE HISTORY
LISTING DATE
SALE/LEASE
Aug 13, 2021
For Sale
Nearby Properties
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
54,592 SF
6 AC
K
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2,859 SF
5.08 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
146,481 SF
9.20 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
49,586 SF
5.83 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
131,876 SF
5.46 AC
R3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7,886 SF
1.70 AC
R11UA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
11,605 SF
183.62 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
59,651 SF
3.28 AC
RR3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
4,173 SF
120.70 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
36,530 SF
0.51 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
8,232 SF
2.02 AC
R11UA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
88,048 SF
5 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
1,166 SF
89.68 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
13,020 SF
80.12 AC
DA60
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7,118 SF
1.52 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
3,014 SF
64.85 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
33,986 SF
2.07 AC
R2H
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
78,405 SF
5.31 AC
R1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
5,536 SF
629.94 AC
LEA100
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
25,107 SF
1.69 AC
AWH
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
1,243 SF
4 AC
AR3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2,672 SF
3.41 AC
R3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2,062 SF
103.71 AC
DA40
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
11,600 SF
2.64 AC
M3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
5,070 SF
11.86 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
4,200 SF
1.80 AC
R3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
4,800 SF
112.33 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2,467 SF
4.50 AC
RR3
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7,972 SF
25.52 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
71,064 SF
7.75 AC
R2
The World's #1 Commercial Real Estate Marketplace
Connect with us
© 2026 CoStar Group
The information above has been obtained from sources believed reliable. While we do not doubt its accuracy we have not verified it and make no guarantee, warranty or representation about it. It is your responsibility to independently confirm its accuracy and completeness. Any projections, opinions, assumptions, or estimates used are for example only and do not represent the current or future performance of the property. The value of this transaction to you depends on tax and other factors which should be evaluated by your tax, financial, and legal advisors. You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.