10085 Koster St, Jacksonville, FL 32256 Property Records

Duval County property record for 10085 Koster St, Jacksonville, FL 32256

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 4,400 sqft · built 2023
Lot Size	0.248 acres (10,807 sqft)
Owner	2 Individual Names on File
Last Sale	$1,130,109 (Jun 2023)
Tax Bill	$13,757 (2025)
Deeds & Mortgages	Jun 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`167763-0840`

Property Details

APN / Parcel Number

Primary APN	`167763-0840`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	4,400 sqft Living Area
Gross Area	5,804 sqft
1st Floor Area	3,262 sqft
Flooring	Wood
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2023
Effective Year Built	Effective 2023
Roof Type	Gable/Hip
Roof Material	Asphalt
Lot Area	10,807 sqft (0.248 acres)
Garage Type	Attached
Garage Area	869 sqft
Porch	Finished/Open Porch
Porch Area	405 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	10085 KOSTER ST
City	JACKSONVILLE
State	FL
Zip	32256-5882
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RLD-50
Legal Description	78-1 32-3S-28E EDISON PARCEL 6 PHASE 3-4 LOT 161
Legal Subdivision	EDISON PARCEL 6 PHASE 3-4
Legal Block	3
Legal Lot Number	161
Jurisdiction	DUVAL FL
Township / Civil Division	JACKSONVILLE EAST
Census Block Group	3
Census Block	3000
Census Tract	14423

Owner

10085 Koster St is owned and occupied by two individuals who bought it in June 2023.

Source: Duval County records, as of September 25, 2026

Owner of Record	2 Individual Names on File
Mailing Address	10085 KOSTER ST, JACKSONVILLE, FL 32256-5882
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	Jun 27, 2023 · Amount on File
Deed Sale	Jun 27, 2023 · Amount on File
Deed Document Number	2023130297
Deed Book / Page	20724 / 1325
Record Updated	Oct 29, 2026

June 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	DUVAL FL
Recording Date	Jun 27, 2023
Property Address	10085 KOSTER ST, JACKSONVILLE, FL 32256-5882
Document Number	0207241325
Book / Page	20724 / 1325
Map Reference	MB 78 PG 1
Instrument Date	Jun 16, 2023
Instrument	2023130297
Transaction Type	Transfer
Record Updated	Dec 1, 2025
Title Company	WESTMINSTER TITLE AGENCY INC

Transaction

Amount	Amount on Record
Tax	$7,911.40
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1140 VIRGINIA DR, FORT WASHINGTON, PA 19034-3204

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10085 KOSTER STREETNMLS, JACKSONVILLE, FL 32256-5882

Tax Assessment & Valuation

The 2025 property tax bill for 10085 Koster St was $13,757 with a homeowner's exemption, up 4% from the year before.

Source: Duval County assessment roll, as of September 25, 2026

Property Jurisdictions

Type	Name
State	Florida
County	Duval County
Municipality	Jacksonville City
Unified School District	Duval County School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$717,845 (+2.7%)	$960,620 (+8.01%) Land $195,798 Building $764,822
2025	$13,757.00 (+4.03%) Homeowner's exemption	$698,973	$889,342 Land $145,000 Building $744,342
2024	$13,224.00 (+305.27%)
2023	$3,263.00 (+5.91%)	$100,000 (-) Land $100,000	$100,000 (-) Land $100,000
2022	$3,081.00	$100,000 Land $100,000	$100,000 Land $100,000

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 10085 Koster St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective June 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 224 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	224 in force
Nearby Flood Claims	2 (2024)
Most Recent Claim	Sep 2024 · Hurricane Helene
Claims by Event	Hurricane Helene, Sep 2024 · 2 claims

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 10085 Koster St is moderate, ranking above 56% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 56% of the US · lower than 72% of Florida
Wildfire Likelihood	0.1% 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	JEA MAJOR GRID serves 826,664 people · EPA ID FL2161328
Water Source	Groundwater
Last State Inspection	Feb 2026
Lead	2 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	2 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 245 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20