1831 Boston Ave, Longmont, CO 80501 Property Records

Boulder County property record for 1831 Boston Ave, Longmont, CO 80501

Property Summary

Property TypeWarehouse, Storage
Details19,400 sqft · built 1998
Lot Size1.79 acres (78,253 sqft)
OwnerCompany Name on File
Last Sale$145,811 (Oct 1995)
Tax Bill$71,305 (2025)
Flood ZoneZone AE (high risk)
APN1315-09-0-51-002

Property Details

APN / Parcel Number

Primary APN1315-09-0-51-002
Alternative APNs
  • R0119245
  • 0119245

Interior

Units3 Units
Stories1 Story
Building Area19,400 sqft Gross Area
1st Floor Area19,400 sqft

Exterior

Year BuiltBuilt 1998
Effective Year BuiltEffective 1998
Construction TypeConcrete
Lot Area78,253 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0119245
Street Address1831 BOSTON AVE
CityLONGMONT
StateCO
Zip80501-8021
Property CategoryIndustrial
Property TypeIndustrial > Warehouse, Storage
Local Zoning CodeGI
Legal DescriptionLOT 2 BLK 2 GOLDENS ADDITION REPLAT A
Legal Range69
Legal Township2N
Legal Section09
Legal SubdivisionGOLDENS ADDITION REPLAT A - LG
Legal Block2
Legal Lot Number2
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group2
Census Block2005
Census Tract13210

Owner

1831 Boston Ave, an industrial property, is owned by a company that bought it in October 1995.

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

Owner of RecordCompany Name on File
Mailing Address7951 UTE HWY, LONGMONT, CO 80503-9231
Owner TypeCompany

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 NamesName on Deed
Last SaleOct 23, 1995 · Amount on File
Deed SaleOct 23, 1995 · Amount on File
Prior SaleMar 30, 1995 · Amount on File
Deed Document Number19951556735
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 1831 Boston Ave was $71,305.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityLongmont City
Unified School DistrictSt. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$676,550 (-7.41%) Land $208,925 Building $467,625$2,706,200 (-) Land $835,700 Building $1,870,500
2025$71,305.00$730,674 Land $225,639 Building $505,035$2,706,200 Land $835,700 Building $1,870,500
2023$80,467.00 (+66.49%)$852,848 (+74.61%) Land $207,102 Building $645,746$3,056,800 (+81.5%) Land $742,300 Building $2,314,500
2022$48,332.00$488,418 Land $93,380 Building $395,038$1,684,200 Land $322,000 Building $1,362,200

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

Flood

FEMA maps place 1831 Boston Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 25 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies25 in force
Nearby Flood Claims11 (2013)
Claims Outside the SFHA1 of 11
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 11 claims

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

The area around 1831 Boston Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF LONGMONT
serves 104,178 people · EPA ID CO0107485
Water SourceSurface water
Last State InspectionSep 2025
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 136 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
NextLight
Fiber
10,000 / 10,000
Xfinity
Cable
1,200 / 35
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

Nearby Properties on Boston Ave

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