3990 15th St, Boulder, CO 80304 Property Records

Boulder County property record for 3990 15th St, Boulder, CO 80304

Property Summary

Property TypeParochial School, Private School
Details3 bd · 1.5 ba · 2,110 sqft · built 1962
Lot Size0.299 acres (13,037 sqft)
OwnerCompany Name on File
Last Sale$1,350,000 (Apr 2023)
Tax Bill$7,524 (2023)
Deeds & MortgagesApr 2023 Sale
Flood ZoneZone X (minimal risk)
APN1463-18-3-06-001

Property Details

APN / Parcel Number

Primary APN1463-18-3-06-001
Alternative APNs
  • R0033527
  • 0033527

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area2,110 sqft Gross Area
1st Floor Area1,430 sqft
Upper Floors Area680 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1990
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area13,037 sqft (0.299 acres)
Garage TypeDetached
Garage Area720 sqft
Parking Spaces3 Parking Spaces
PorchPorch
Porch Area136 sqft
Patio Area160 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0033527
Street Address3990 15TH ST
CityBOULDER
StateCO
Zip80304-1102
Property CategoryOther
Property TypeOther > Parochial School, Private School
Legal DescriptionLOT 1 BLK 16 MOORES SPLIT SEE ID 106226 DPT FILE NO 07-01087-03
Legal Range70
Legal Township1N
Legal Section18
Legal SubdivisionMOORES & REPLAT LOT 15 BLK 30 - BO
Legal Block16
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3007
Census Tract12105

Owner

3990 15th St is owned by a company that bought it in April 2023.

Source: Boulder County records, as of October 1, 2026

Owner of RecordCompany Name on File
Mailing Address3900 ORANGE CT, BOULDER, CO 80304-0753
Owner TypeCompany
VestingCompany

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 SaleApr 24, 2023 · Amount on File
Deed SaleApr 24, 2023 · Amount on File
Prior SaleJan 2, 1992 · Amount on File
Deed Document Number20234004705
Prior Transfer DateOct 28, 2013
Prior Transfer Doc0003352917
Record UpdatedOct 29, 2026

April 2023: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateApr 24, 2023
Property Address3990 15TH ST, BOULDER, CO 80304-1102
Document Number0004004705
Instrument DateApr 14, 2023
Instrument4004705
Transaction TypeTransfer
Record UpdatedFeb 9, 2026
Title CompanyHERITAGE TITLE COMPANY

Transaction

AmountAmount on Record
Tax$135.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3990 15TH ST, BOULDER, CO 80304-1102

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$352,430 (-3.7%) Land $244,270 Building $108,160$1,355,500 (-) Land $939,500 Building $416,000
2025Additional exemption filed$365,985 Land $253,665 Building $112,320$1,355,500 Land $939,500 Building $416,000
2023$7,524.00 (+19.07%)$90,819 (+33.45%) Land $62,947 Building $27,872$1,355,500 (+38.43%) Land $939,500 Building $416,000
2022$6,319.00$68,055 Land $50,784 Building $17,271$979,200 Land $730,700 Building $248,500

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

FEMA maps place 3990 15th St in Zone X, an area of minimal flood risk, though there have been 26 flood claims nearby since 2005.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 32 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies32 in force
Nearby Flood Claims26 (2005–2015)
Claims Outside the SFHA10 of 26
Most Recent ClaimMay 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 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

Wildfire risk around 3990 15th St is low, with a 0.08% annual chance of wildfire.

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

Wildfire RiskLow
lower than 63% of the US · lower than 80% of Colorado
Wildfire Likelihood0.08% annual chance
ExposureDirect
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 SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 460 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
Xfinity
Cable
2,000 / 250
LiveWireNet
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T, CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on 15th St

Nearby Streets

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