431 Constitution Ave, Billings, MT 59105 Property Records

Yellowstone County property record for 431 Constitution Ave, Billings, MT 59105

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,070 sqft · built 1979
Lot Size	0.22 acres (9,600 sqft)
Owner	2 Individual Names on File
Last Sale	$216,300 (Jun 2016)
Tax Bill	$2,426 (2025)
Deeds & Mortgages	Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`000A235520`

Property Details

APN / Parcel Number

Primary APN	`000A235520`
Alternative APNs	`03-1033-21-2-14-09-0000` `R0324612` `A235520` `A23552`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Plumbing Fixtures	9 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,070 sqft Living Area
Gross Area	2,178 sqft
1st Floor Area	1,098 sqft
Basement Area	1,080 sqft
Finished Basement	972 sqft
Unfinished Basement	108 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 2010
Architectural Style	Bi-Level
Exterior Material	Wood
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	9,600 sqft (0.22 acres)
View / Lot	Neighborhood / Spot
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Frame Porch
Porch Area	42 sqft
Deck Area	120 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	431 CONSTITUTION AVE
City	BILLINGS
State	MT
Zip	59105-1515
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-96
Legal Description	CENTENNIAL SUBD SECOND FILING, S21, T01 N, R26 E, BLOCK 12, LOT 9
Legal Range	26E
Legal Township	01N
Legal Section	21
Legal Subdivision	CENTENNIAL SUBD SECOND FILING
Legal Block	12
Legal Lot Number	9
Jurisdiction	YELLOWSTONE MT
Township / Civil Division	BILLINGS
Census Block Group	2
Census Block	2000
Census Tract	705

Owner

431 Constitution Ave is owned and occupied by two individuals who bought it in June 2016.

Source: Yellowstone County records, as of September 9, 2026

Owner of Record	2 Individual Names on File
Mailing Address	431 CONSTITUTION AVE, BILLINGS, MT 59105-1515
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 6, 2016 · Amount on File
Deed Sale	Jun 6, 2016 · Amount on File
Prior Sale	May 14, 2008 · Amount on File
Deed Document Number	20163779179
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	YELLOWSTONE MT
Property Address	431 CONSTITUTION AVE, BILLINGS, MT 59105-1515
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST MONTANA TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003946859
Date	Nov 9, 2020
Instrument	3946859

Lender

Name	OPPORTUNITY BANK OF MT
Type	Bank
Address	HELENA, MT 59604

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 431 Constitution Ave was $2,426, down 25.6% from the year before.

Source: Yellowstone County assessment roll, as of September 9, 2026

Property Jurisdictions

Type	Name
State	Montana
Municipality	Billings City
County	Yellowstone County
Elementary School District	Billings Elementary School District (PK - 08)
Secondary School District	Billings High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$357,500 (-) Land $62,891 Building $294,609	$357,500 (-) Land $62,891 Building $294,609
2025	$2,426.00 (-25.58%)	$357,500 Land $62,891 Building $294,609	$357,500 Land $62,891 Building $294,609
2024	$3,260.00 (+13.63%)
2023	$2,869.00	$321,500	$321,500 Land $64,994 Building $256,506

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

Flood

FEMA maps place 431 Constitution Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective March 23, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

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 431 Constitution Ave is low, with a 0.02% 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 · lower than 93% of Montana
Wildfire Likelihood	0.02% annual chance
Exposure	None 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 System	CITY OF BILLINGS serves 114,000 people · EPA ID MT0000153
Water Source	Surface water
Last State Inspection	May 2025
Lead	3 ppb (2024–2026) action level 15 ppb

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 433 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Wisp West Fixed Wireless	200 / 100

May also be available: AT&T, TDS Telecom, Verizon.

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