4278 75th St, Boulder, CO 80301 Property Records

Boulder County property record for 4278 75th St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 4,122 sqft · built 1965
Lot Size	3.04 acres (132,722 sqft)
Owner	Company Name on Record
Last Sale	$758,000 (Dec 2004)
Tax Bill	$9,911 (2025)
Deeds & Mortgages	May 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`1463-13-1-00-004`

Property Details

APN / Parcel Number

Primary APN	`1463-13-1-00-004`
Alternative APNs	`R0036925` `0036925`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	4,122 sqft Living Area
Gross Area	5,354 sqft
1st Floor Area	1,877 sqft
Upper Floors Area	1,701 sqft
Basement Area	1,132 sqft
Finished Basement	544 sqft
Unfinished Basement	588 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1985
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Concrete
Lot Area	132,722 sqft
Garage Type	Attached
Garage Area	644 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	312 sqft
Shed	1 Shed
Total Buildings	3 Buildings

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0036925
Street Address	4278 75TH ST
City	BOULDER
State	CO
Zip	80301-4508
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A
Legal Description	SW 1/4 NE 1/4 3.00 ACS M/L 13-1N-70 ID 67557 COMBINED HERE PER OWNER 1987
Legal Range	70
Legal Township	1N
Legal Section	13
Legal Subdivision	TR SOUTH CENTRAL NBR 145 820
Legal Block	1
Legal Lot Number	13
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1017
Census Tract	12709

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	Company Name on Record
Mailing Address	4278 75TH ST, BOULDER, CO 80301-4508
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 16, 2004 · Amount on Record
Deed Sale	Dec 16, 2004 · Amount on Record
Prior Sale	Oct 1, 1974 · Amount on Record
Deed Document Number	20042651191
Last Transfer Date	Nov 8, 2013
Transfer Doc	0003352417
Record Updated	Oct 29, 2026

May 2026: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	BOULDER CO
Recording Date	May 12, 2026
Property Address	4278 75TH ST, BOULDER, CO 80301-4508
Document Number	0004131662
Instrument Date	May 11, 2026
Instrument	20264131662
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	4278 75TH ST, BOULDER, CO 80301-4508

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$103,149 (+4%) Land $38,182 Building $64,967	$1,586,900 (-) Land $631,500 Building $955,400
2025	$9,911.00 (-14.52%)	$99,181 (-11.54%) Land $39,469 Building $59,712	$1,586,900 (-5.17%) Land $631,500 Building $955,400
2023	$11,594.00 (+23.68%)	$112,119 (+41.21%) Land $25,360 Building $86,759	$1,673,400 (+46.48%) Land $378,500 Building $1,294,900
2022	$9,374.00	$79,399 Land $22,400 Building $56,999	$1,142,430 Land $322,300 Building $820,130

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	3 in force

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	Moderate above 61% of the US · above 48% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Direct 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 System	LEFT HAND WD serves 20,280 people · EPA ID CO0107471
Water Source	Surface water
Last State Inspection	Jun 2022
Lead	1 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 4 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
CenturyLink DSL	140 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20