20871 Oak Tree Dr, South Lyon, MI 48178 Property Records

Oakland County property record for 20871 Oak Tree Dr, South Lyon, MI 48178

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,877 sqft · built 2004
Lot Size	0.4 acres (17,424 sqft)
Owner	2 Individual Names on File
Last Sale	$345,000 (May 2019)
Tax Bill	$3,580 (2025)
Deeds & Mortgages	May 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`K-21-32-402-002`

Property Details

APN / Parcel Number

Primary APN	`K-21-32-402-002`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,877 sqft Living Area
1st Floor Area	1,859 sqft
Basement Area	1,859 sqft
Unfinished Basement	1,859 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2004
Effective Year Built	Effective 2004
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Lot Area	17,424 sqft (0.4 acres)
Garage Area	818 sqft
Parking Spaces	3 Parking Spaces

Exterior Amenities

Porch	Slab
Porch Area	75 sqft
Deck Area	286 sqft
Patio Area	286 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Well

Location & Zoning

Street Address	20871 OAK TREE DR
City	SOUTH LYON
State	MI
Zip	48178-7069
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SI
Legal Description	T1N, R7E, SEC 32 PARK WOODS #3 LOT 94 5-7-03 FR 300-017
Legal Range	07E
Legal Township	01N
Legal Section	32
Legal Subdivision	PARK
Legal Lot Number	5,94
Jurisdiction	OAKLAND MI
Township / Civil Division	LYON
Census Block Group	1
Census Block	1009
Census Tract	138100

Owner

20871 Oak Tree Dr is owned and occupied by two individuals who bought it in May 2019.

Source: Oakland County records, as of May 27, 2026

Owner of Record	2 Individual Names on File
Mailing Address	20871 OAK TREE DR, SOUTH LYON, MI 48178-7069
Occupancy	Owner Occupied
Owner Type	Individual

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 Names	2 Names on Deed
Last Sale	May 16, 2019 · Amount on File
Deed Sale	May 16, 2019 · Amount on File
Prior Sale	Nov 4, 2004 · Amount on File
Deed Document Number	201976302
Deed Book / Page	52835 / 574
Record Updated	Oct 29, 2026

May 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	OAKLAND MI
Recording Date	May 16, 2019
Property Address	20871 OAK TREE DR, SOUTH LYON, MI 48178-7069
Document Number	0000076302
Book / Page	52835 / 00574
Map Reference	LB 286 PG 26-29
Instrument Date	May 13, 2019
Instrument	76302
Transaction Type	Transfer
Record Updated	Aug 12, 2022
Title Company	SELECT TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,967.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20871 OAK TREE DR, SOUTH LYON, MI 48178-7069

Mortgage

Document Number	0000076303
Date	May 16, 2019
Instrument	76303

Lender

Name	UNION HOME MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 20871 Oak Tree Dr was $3,580 with a homeowner's exemption, down 29.1% from the year before.

Source: Oakland County assessment roll, as of January 21, 2026

Property Jurisdictions

Type	Name
State	Michigan
County	Oakland County
County Subdivision	Lyon Charter Township
Unified School District	South Lyon Community Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,580.00 (-29.08%) Homeowner's exemption	$201,670	$403,340
2024	$5,048.00
2023		$153,540	$307,080
2021	$4,234.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 20871 Oak Tree Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective December 8, 2024

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 20871 Oak Tree Dr is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · above 51% of Michigan
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 System	CITY OF SOUTH LYON serves 11,055 people · EPA ID MI0006110
Water Source	Groundwater
Last State Inspection	Jul 2025
Lead	Under 1 ppb (2025) action level 15 ppb
Copper	1.4 mg/L (2017) action level 1.3 mg/L

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 76 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Spectrum.

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