803 E Main St, Marthasville, MO 63357 Property Records

Warren County property record for 803 E Main St, Marthasville, MO 63357

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,134 sqft · built 2006
Lot Size	0.219 acres (9,583 sqft)
Owner	Individual Name on File
Tax Bill	$1,615 (2025)
Deeds & Mortgages	Oct 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`12-29.0-2-11-003.000.000`

Property Details

APN / Parcel Number

Primary APN	`12-29.0-2-11-003.000.000`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,134 sqft Living Area
Basement Area	1,134 sqft
Flooring	Carpet
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2006
Exterior Material	Vinyl
Construction Type	Frame
Foundation Type	Concrete
Roof Type	Gable
Roof Material	Asbestos
Lot Area	9,583 sqft (0.219 acres)
Lot Dimensions	120 ft deep x 80 ft wide
Garage Type	Attached
Garage Area	546 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Open Porch
Porch Area	64 sqft
Deck Area	256 sqft
Patio Area	256 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC

Location & Zoning

Street Address	803 E MAIN ST
City	MARTHASVILLE
State	MO
Zip	63357-1320
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PT LOTS 20 & 21 BLOCK 1 BOONE HEIGHTS ADDITION APPROX LOT SIZE: 80' X 120'
Legal Subdivision	BOONE HEIGHTS ADDITION
Legal Block	1
Legal Lot Number	20-21
Jurisdiction	WARREN MO
Township / Civil Division	CHARRETTE
Census Block Group	1
Census Block	1012
Census Tract	820204

Owner

Source: Warren County records · APN 12-29.0-2-11-003.000.000

Assessment roll updated May 31, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	803 E MAIN ST, MARTHASVILLE, MO 63357-1320
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 13, 2017
Deed Sale	Oct 13, 2017
Prior Sale	Dec 12, 2006
Deed Document Number	201706270
Record Updated	Jun 08, 2026

October 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WARREN MO
Recording Date	Oct 13, 2017
Property Address	803 E MAIN ST, MARTHASVILLE, MO 63357-1320
Document Number	201706270
Instrument Date	Oct 10, 2017
Instrument	201706270
Transaction Type	Transfer
Record Updated	Dec 07, 2021

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	803 E MAIN ST, 803, MARTHASVILLE, MO 63357-1320

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	803 E MAIN ST, MARTHASVILLE, MO 63357-1320

Mortgage

Document Number	201706271
Date	Oct 13, 2017
Instrument	201706271

Lender

Name	BANK OF WASHINGTON
Type	Bank
Address	WASHINGTON, MO 63090

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2047

Tax Assessment & Valuation

Source: Warren County records · Assessment roll updated May 31, 2025 · Last verified February 2026

Property Jurisdictions

Type	Name
State	Missouri
County	Warren County
Municipality	Marthasville City
Unified School District	Washington School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,615.00	$24,516 (+13%) Land $1,577 Building $22,939	$129,030 (+13%) Land $8,300 Building $120,730
2024	$1,615.00 (+8.53%)	$21,695 (-) Land $1,395 Building $20,300
2023	$1,488.00 (+7.51%)	$21,695 (+7.99%) Land $1,395 Building $20,300	$114,188 (+8%) Land $7,344 Building $106,844
2022	$1,384.00	$20,089 Land $1,292 Building $18,797
2021			$105,730 Land $6,800 Building $98,930

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of November 4, 2009 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force

Wildfire

Wildfire Risk	Low lower than 63% of the US · lower than 70% of Missouri
Wildfire Likelihood	0.04% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Gateway Fiber Holdings Fiber	2,000 / 2,000
Cable One Cable	1,000 / 50
Wisper ISP Fixed Wireless	400 / 30
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 67 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MARTHASVILLE PWS serves 1,200 people
Water Source	Groundwater
Last State Inspection	Feb 2025
Also Mapped Here	ST CHARLES COUNTY PWSD 2 DUTZOW
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	No certified operator currently in violation since Jun 2026
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.