3991 75th St, Boulder, CO 80301 Property Records

Boulder County property record for 3991 75th St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.75 ba · 1,512 sqft · built 1964
Lot Size	0.886 acres (38,605 sqft)
Owner	Company Name on File
Last Sale	$637,750 (Sep 2024)
Tax Bill	$4,025 (2025)
Deeds & Mortgages	Apr 2026 Line of Credit
Flood Zone	Zone AE (high risk)
APN	`1463-13-3-00-009`

Property Details

APN / Parcel Number

Primary APN	`1463-13-3-00-009`
Alternative APNs	`R0036803` `0036803`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,512 sqft Living Area
Gross Area	2,112 sqft
1st Floor Area	1,512 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	38,605 sqft (0.886 acres)
Garage Type	Attached
Garage Area	600 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	25 sqft
Patio Area	25 sqft
Shed	1 Shed
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0036803
Street Address	3991 75TH ST
City	BOULDER
State	CO
Zip	80301-4513
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A
Legal Description	TR 4459 INNE 1/4 SE 1/4 SW 1/4 1/4 LESS 1/2 MIN 13-1N-70 .90 AC M/L
Legal Range	70
Legal Township	1N
Legal Section	13
Legal Subdivision	TR SOUTH CENTRAL NBR 145 820
Legal Tract	4459
Legal Block	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1005
Census Tract	12707

Owner

Source: Boulder County records · APN 1463-13-3-00-009

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	Company Name on File
Mailing Address	3991 75TH ST, BOULDER, CO 80301-4513
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 24, 2024 · Amount on Record
Deed Sale	Sep 24, 2024 · Amount on Record
Prior Sale	Jul 18, 1984 · Amount on Record
Deed Document Number	20244061405
Record Updated	Sep 20, 2026

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Apr 27, 2026
Property Address	3991 75TH ST, BOULDER, CO 80301-4513
Document Number	0004129477
Instrument Date	Apr 23, 2026
Instrument	20264129477
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	LAND TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust, 212
Address	5253 E FELLARS DR, SCOTTSDALE, AZ 85254-1143

Mortgage

Document Number	0004129477,
Date	Apr 27, 2026
Instrument	20264129477

Lender

Name	GATEWAY COMMERCIAL BANK

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	6.38%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

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
Unified School District	Boulder Valley School District RE-2 (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		$54,060 (+6.64%) Land $31,368 Building $22,692	$795,000 (-1.98%) Land $461,300 Building $333,700
2025	$4,025.00 (-17.33%)	$50,694 (-9.89%) Land $30,388 Building $20,306	$811,100 (-3.41%) Land $486,200 Building $324,900
2024	$4,869.00 (+1.69%)
2023	$4,788.00 (+32.05%)	$56,260 (+51.82%) Land $20,060 Building $36,200	$839,700 (+57.48%) Land $299,400 Building $540,300
2022	$3,626.00	$37,057 Land $15,651 Building $21,406	$533,200 Land $225,200 Building $308,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130127071, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	31 (1992–2013)
Claims Outside the SFHA	6 of 31
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 25 claims

Wildfire

Wildfire Risk	Moderate above 56% of the US · above 40% of Colorado
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

Based on FCC filings for 16 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107510, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MILE HI WATER INC HAULER private · serves 1,000 people
Water Source	Purchased surface water
Last State Inspection	Nov 2024

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Sanitary survey deficiency not corrected currently in violation since Apr 2025 No certified operator Jul 2022
Monitoring and Reporting	10 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.