819 Sumner St, Longmont, CO 80501 Property Records

Boulder County property record for 819 Sumner St, Longmont, CO 80501

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 2,085 sqft · built 1915
Lot Size	0.198 acres (8,606 sqft)
Owner	2 Individual Names on Record
Last Sale	$487,000 (May 2021)
Tax Bill	$3,218 (2025)
Deeds & Mortgages	May 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`1315-04-1-09-015`

Property Details

APN / Parcel Number

Primary APN	`1315-04-1-09-015`
Alternative APNs	`R0047492` `0047492`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	2,085 sqft Living Area
Gross Area	2,631 sqft
1st Floor Area	1,329 sqft
Basement Area	1,302 sqft
Finished Basement	756 sqft
Unfinished Basement	546 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1940
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	8,606 sqft (0.198 acres)
Garage Type	Detached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	63 sqft
Deck Area	112 sqft
Patio Area	332 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0047492
Street Address	819 SUMNER ST
City	LONGMONT
State	CO
Zip	80501-4836
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 9 LESS S 60 FT BLK 8 BROWNS RESUB
Legal Range	69
Legal Township	2N
Legal Section	04
Legal Subdivision	BROWN REPLAT OF BROWNS SUB - LG
Legal Block	8
Legal Lot Number	9
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	5
Census Block	5006
Census Tract	13302

Owner

Source: Boulder County records, as of September 18, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	819 SUMNER ST, LONGMONT, CO 80501-4836
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 11, 2021 · Amount on Record
Deed Sale	May 11, 2021 · Amount on Record
Prior Sale	Apr 26, 1984 · Amount on Record
Deed Document Number	20213884138
Record Updated	Oct 29, 2026

May 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	May 11, 2021
Property Address	819 SUMNER ST, LONGMONT, CO 80501-4836
Document Number	0003884138
Instrument Date	May 5, 2021
Instrument	3884138
Transaction Type	Transfer
Record Updated	May 26, 2021
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Tax	$48.70
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	819 SUMNER ST, 819, LONGMONT, CO 80501-4836

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	819 SUMNER ST, LONGMONT, CO 80501-4836

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$36,145 (-2.08%) Land $7,857 Building $28,288	$590,600 (-) Land $174,600 Building $416,000
2025	$3,218.00 (+18.88%)	$36,913 (-5.55%) Land $10,913 Building $26,000	$590,600 (+1.25%) Land $174,600 Building $416,000
2023	$2,707.00 (+17.75%)	$39,081 (+29.48%) Land $12,214 Building $26,867	$583,300 (+34.31%) Land $182,300 Building $401,000
2022	$2,299.00	$30,184 Land $8,986 Building $21,198	$434,300 Land $129,300 Building $305,000

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · 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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2013)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

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

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.6% of Colorado
Wildfire Likelihood	Under 0.01% 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 LONGMONT serves 104,178 people · EPA ID CO0107485
Water Source	Surface water
Last State Inspection	Sep 2025
Lead	2 ppb (2023–2025) 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 506 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
NextLight Fiber	10,000 / 10,000
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20
Rise Broadband Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20