420 21st Ave, Brookings, SD 57006 Property Records

Brookings County property record for 420 21st Ave, Brookings, SD 57006

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 2,394 sqft · built 1967
Lot Size0.348 acres (15,159 sqft)
OwnerIndividual Name on File
Tax Bill$3,753 (2026)
Flood ZoneZone X (minimal risk)
APN400450110000100

Property Details

APN / Parcel Number

Primary APN400450110000100

Interior

Bedrooms3 Beds
Full Baths1 Bath
Plumbing Fixtures6 Plumbing Fixtures
Total Rooms8 Rooms
Stories1 Story
Building Area2,394 sqft Living Area
1st Floor Area1,876 sqft
Basement Area576 sqft
Finished Basement518 sqft
FlooringLaminate Plank
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1977
Exterior MaterialWood
Construction TypeMixed
Foundation TypeNo Foundation
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area15,159 sqft (0.348 acres)
Lot Dimensions128 ft deep x 116 ft wide
Garage TypeAttached
Garage Area624 sqft
Parking Spaces2 Parking Spaces
PorchSlab
Porch Area24 sqft
Patio Area220 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHot Water

Location & Zoning

Street Address420 21ST AVE
CityBROOKINGS
StateSD
Zip57006-2411
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1B
Legal DescriptionBANE AND POOLE ADDN, LOT 1 BLK 11 116.9 X 128.67 & 1.8 X 124.87 15,265 SF
Legal SubdivisionBANE AND POOLE ADDN
Legal Block11
Legal Lot Number1
JurisdictionBROOKINGS SD
Township / Civil DivisionBROOKINGS
Census Block Group3
Census Block3021
Census Tract958900

Owner

420 21st Ave is owned and occupied by an individual.

Source: Brookings County records, as of July 20, 2026

Owner of RecordIndividual Name on File
Mailing Address420 21ST AVE, BROOKINGS, SD 57006-2411
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 420 21st Ave was $3,753, up 2.1% from the year before.

Source: Brookings County assessment roll, as of May 11, 2026

Property Jurisdictions

TypeName
StateSouth Dakota
CountyBrookings County
MunicipalityBrookings City
Unified School DistrictBrookings School District 05-1 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$3,753.00 (+2.07%)$287,600 Land $35,900 Building $251,700
2025$3,677.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 420 21st Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1986.

Source: FEMA National Flood Hazard Layer, effective April 22, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims1 (1986)
Most Recent ClaimApr 1986 · Severe Storms & Flooding

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 420 21st Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 98% of South Dakota
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemBROOKINGS MUNICIPAL UTILITIES
serves 23,377 people · EPA ID SD4600071
Water SourceGroundwater
Last State InspectionJun 2024
Lead8 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityTotal trihalomethanes
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 437 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Swiftel Communications
Fiber
1,000 / 500
Mediacom Xtream
Cable
1,000 / 50
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

Nearby Properties on 21st Ave

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