Property Record
21 William St, Cotati, CA 94931
Property Detail
21 William St
Santa Rosa-Petaluma, CA
80 FORM 144-200-03 CW 05 PER MD
144-200-006
SONOMA
Parkinglot
California
C1
16
C and X Area of minimal flood hazard, usually depicted on FIRMs as above the 500-year flood level.
0.25 AC
2025
Petaluma/Cotati/Rohnert
2025
North Bay/Santa Rosa
151204
NEARBY LISTINGS FOR SALE OR LEASE
DEMOGRAPHICS near 21 William St
1 mile
3 mile
5 mile
2025 Total Population
15,951
58,354
74,397
2030 Population
15,976
58,623
74,048
Pop Growth 2025-2030
+ 0.16%
+ 0.46%
(0.47%)
Average Age
39
40
40
2025 Total Households
5,980
21,370
26,965
HH Growth 2025-2030
+ 0.15%
+ 0.40%
(0.56%)
Median Household Inc
$95,501
$99,659
$98,586
Avg Household Size
2.60
2.50
2.60
2025 Avg HH Vehicles
2.00
2.00
2.00
Median Home Value
$718,660
$697,433
$724,922
Median Year Built
1976
1981
1981
Nearby Places
Map Layers
Listings with unknown addresses are not visible on the map
- Restaurants
- Banks
- Shops
- Fitness
- Groceries
PUBLIC TRANSPORTATION
COMMUTER RAIL
Smart Cotati (Main Line - Sonoma Marin Area Rail Transit)
Drive
Walk
Distance
Smart Cotati (Main Line - Sonoma Marin Area Rail Transit)
3 min
1.2 mi
Smart Rohnert Park (Main Line - Sonoma Marin Area Rail Transit)
Drive
Walk
Distance
Smart Rohnert Park (Main Line - Sonoma Marin Area Rail Transit)
4 min
2.1 mi
AIRPORT
Charles M Schulz - Sonoma County
Drive
Walk
Distance
Charles M Schulz - Sonoma County
21 min
15.8 mi
Freight Ports
Port of Richmond
Drive
Walk
Distance
Port of Richmond
54 min
40.9 mi
SALE & LEASE HISTORY
LISTING DATE
SALE/LEASE
Nearby Properties
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
23,112 SF
12.30 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
4,652 SF
11.09 AC
MLPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
61,756 SF
15.83 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
238,800 SF
36.26 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
26,699 SF
6 AC
MLPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
29,235 SF
8.08 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
59,370 SF
7.36 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
181,816 SF
8.64 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
10,134 SF
3.03 AC
RM
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
12,640 SF
4.94 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
96,051 SF
5.55 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
389.05 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
213,331 SF
12.53 AC
CREC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
12,491 SF
5.40 AC
MLPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
149,007 SF
0.25 AC
M1RP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7,745 SF
2.28 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
55,826 SF
13.15 AC
CRPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
87,286 SF
3.03 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
61,880 SF
2.53 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
107,599 SF
2.98 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
67,584 SF
4.79 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
144,198 SF
12.08 AC
CRPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
26,390 SF
3.33 AC
MLPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
5,760 SF
4.77 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
38,830 SF
2.09 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
138,134 SF
12.54 AC
C1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
85,844 SF
2.34 AC
MLPD
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
55,387 SF
3.07 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
81,712 SF
5.64 AC
CITYRP
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
69,431 SF
4.69 AC







