21 Rilder St is a 2,006 square foot house on a 2.58 acre lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Sanford data, we estimate the home's value is $545,388.
Single-familyProperty Type
2005Year Built
2.58 acresLot Size
$272Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$545,388
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.1% lower than the average sale price ($635K) 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.
Zoning
RMU
SO1
Rural Mixed Use Zone
The purpose of the Rural Mixed Use RMU Zone is to provide areas in the City which foster a working rural environment, including a mix of residential and traditional rural uses, while maintaining the rural character of these areas.
Zone overlays
Permitted uses
Include but are not limited to:
Agriculture
Livestock production
Housing-Single unit
Processing
Fire house
Police station
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Cape Cod
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Subdivision Name: MCNEIL ESTS
Living Sq. Ft: 2,006
Gross Sq. Ft: 5,168
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 112,385
Legal Lot Number: 33C
Municipality Name: SANFORD TOWN
Acres: 2.58
Zoning Code: RMU
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,006
Stories: 2.0
Lot Size: 2.58 acres
Style: Single Family Residential
Year Built: 2005
Year Renovated: —
County: York County
APN: 380127
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Some nearby schools may not be within this home's attendance zone. Please check the Sanford Public Schools website to verify.
Sanford Regional Technical Center
Public N/A • 3.7mi
Sanford High School
Public 9-12 • 3.7mi
5/10
Fraser-Ford Child Development Center
Private PreK-4 • 3.6mi
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 93° expected this year, 16 days in 30 years
5/10 Wind Factor
23% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Sanford, ME • 04073
Average low and high temperatures (°F)
30
14
33
14
46
28
56
37
66
47
78
57
83
63
80
59
75
52
63
41
50
31
36
19
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.6 hours in
June and 4.2 hours in December, placing it below the
U.S. average for solar exposure.
8.6 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$519,000 – $628,000
Reach more buyers when you sell with Redfin. Save up to $5,454 in fees.3 minutes to get started.
Get a free, detailed breakdown of how we calculated your estimate.