418 Sumner St, Longmont, CO 80501 Property Records

Boulder County property record for 418 Sumner St, Longmont, CO 80501 · Last verified June 2026

Property Highlights

Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Bedrooms	3 Beds
Bathrooms	1.75 Baths
Year Built	Built 1952
Square Footage	2,290 sqft Living Area
Lot Size	7,431 sqft (0.171 acres)
Garage	Detached, 280 sqft
Last Sale	$265,000 (2003)
Tax Bill	$3,984.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1315-04-1-24-008`
Alternative APNs	`R0045195` `0045195`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	10 Rooms
Units	2 Units
Building Area	2,290 sqft Living Area
1st Floor	1,145 sqft 1st Floor
Basement Area	1,145 sqft Basement
Finished Basement	1,145 sqft Finished
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1952
Architectural Style	Ranch Style
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Lot Area	7,431 sqft (0.171 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	280 sqft Garage

Exterior Amenities

Deck Area	400 sqft Deck
Patio Area	592 sqft Patio
Porch	Porch
Porch Area	288 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0045195
Street Address	418 SUMNER ST
City	LONGMONT
State	CO
Zip	80501-4864
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOTS 14-15 & S 1/2 LOT 13 BLK 4 CAPITOL HILL
Legal Range	69
Legal Township	2N
Legal Section	04
Legal Subdivision	CAPITOL HILL - LG
Legal Block	4
Legal Lot Number	14
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	4
Census Block	4005
Census Tract	13302

Owner

Source: Boulder County records · APN 1315-04-1-24-008

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of Record	2 Individuals Owners
Mailing Address	6 SQUARE DU PONT DE SEVRES, BOULOGNE, FR
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Sep 30, 2003 Deed Sale Price on Sep 30, 2003 Prior Sale Amount on Dec 02, 1988
Deed Doc Number	20032509835
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Longmont City
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$41,296 (+8.8%) Land $11,036 Building $30,260	$607,300 (-) Land $162,300 Building $445,000
2025	$3,984.00 (+13.5%)	$37,957 (-7.19%) Land $10,144 Building $27,813	$607,300 (-0.51%) Land $162,300 Building $445,000
2023	$3,510.00 (+16.96%)	$40,897 (+34.82%) Land $11,350 Building $29,547	$610,400 (+36.83%) Land $169,400 Building $441,000
2022	$3,001.00	$30,335 Land $8,174 Building $22,161	$446,100 Land $120,200 Building $325,900