555 Diehl Dr, Helena, MT 59601 Property Records

Lewis And Clark County property record for 555 Diehl Dr, Helena, MT 59601

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,528 sqft · built 1973
Lot Size	1.26 acres (54,886 sqft)
Owner	2 Individual Names on File
Last Sale	$883,120 (Aug 2025)
Tax Bill	$13,620 (2026)
Deeds & Mortgages	Jun 2026 Mortgage
Flood Zone	Zone D (undetermined)
APN	`R059364`

Property Details

APN / Parcel Number

Primary APN	`R059364`
Alternative APNs	`05-1888-32-3-25-05-0000` `0000006988`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	15 Plumbing Fixtures
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,528 sqft Living Area
1st Floor Area	2,151 sqft
2nd Floor Area	783 sqft
Basement Area	440 sqft
Unfinished Basement	440 sqft
Sunroom	Sunroom
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Effective Year Built	Effective 2000
Architectural Style	Conventional
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	54,886 sqft (1.26 acres)
Terrain	Steep
Garage Area	792 sqft
Parking Spaces	3 Parking Spaces
Porch	Slab
Deck Area	320 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0000006988
Street Address	555 DIEHL DR
City	HELENA
State	MT
Zip	59601-5456
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Description	DIEHL HEIGHTS, S32, T10 N, R03 W, BLOCK 5, LOT 5 - 6
Legal Range	03W
Legal Township	10N
Legal Section	32
Legal Subdivision	DIEHL HEIGHTS
Legal Block	5
Legal Lot Number	5,6
Jurisdiction	LEWIS AND CLARK MT
Township / Civil Division	HELENA
Census Block Group	2
Census Block	2005
Census Tract	1000

Owner

555 Diehl Dr is owned and occupied by two individuals who bought it in August 2025.

Source: Lewis And Clark County records, as of September 11, 2026

Owner of Record	2 Individual Names on File
Mailing Address	555 DIEHL DR, HELENA, MT 59601-5456
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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	Aug 28, 2025 · Amount on File
Deed Sale	Aug 28, 2025 · Amount on File
Deed Document Number	20253440140
Deed Book / Page	64 / 5440
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEWIS AND CLARK MT
Recording Date	Jun 3, 2026
Property Address	555 DIEHL DR, HELENA, MT 59601-5456
Document Number	0003450876
Book / Page	65 / 4519
Instrument Date	May 26, 2026
Instrument	20263450876
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants, 205
Address	555 DIEHL DR, HELENA, MT 59601-5456

Mortgage

Document Number	0003450876,
Date	Jun 3, 2026
Book Page	65/4519
Instrument	20263450876

Lender

Name	PENNYMAC LOAN SERVICES LLC

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.38%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

Tax Assessment & Valuation

The 2026 property tax bill for 555 Diehl Dr was $13,620, up 123.8% from the year before.

Source: Lewis And Clark County assessment roll, as of September 11, 2026

Property Jurisdictions

Type	Name
State	Montana
County	Lewis And Clark County
Municipality	Helena City
Elementary School District	Helena Elementary School District (PK - 08)
Secondary School District	Helena High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$13,620.00 (+123.83%)	$921,100 (-0.05%)
2025	$6,085.00	$921,600	$921,100 Land $278,249 Building $642,851
2023	$9,122.00	$837,000	$837,000 Land $237,437 Building $599,563

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

Flood

FEMA maps place 555 Diehl Dr in Zone D, where flood risk has not been studied.

Source: FEMA National Flood Hazard Layer, effective April 7, 2024

FEMA Flood Zone	Zone D undetermined · not studied
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 555 Diehl Dr is moderate, ranking above 65% 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 65% of the US · above 43% of Montana
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	HELENA WATER SYSTEM serves 32,091 people · EPA ID MT0000241
Water Source	Surface water
Last State Inspection	Oct 2024
Lead	3 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jan 2023
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 71 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 35
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20

May also be available: Montana Internet, Verizon.

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