240 28th St, Boulder, CO 80305 Property Records

Boulder County property record for 240 28th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.75 ba · 1,779 sqft · built 1953
Lot Size	0.169 acres (7,364 sqft)
Owner	2 Individual Names on File
Last Sale	$225,000 (Mar 2001)
Tax Bill	$5,826 (2025)
Deeds & Mortgages	Jun 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-05-2-06-003`

Property Details

APN / Parcel Number

Primary APN	`1577-05-2-06-003`
Alternative APNs	`R0006730` `0006730`

Interior

Bedrooms	5 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,779 sqft Living Area
Gross Area	1,988 sqft
1st Floor Area	1,379 sqft
Upper Floors Area	400 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Metal
Lot Area	7,364 sqft (0.169 acres)
Garage Type	Attached
Garage Area	209 sqft
Parking Spaces	1 Parking Space
Patio Area	340 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0006730
Street Address	240 28TH ST
City	BOULDER
State	CO
Zip	80305-3310
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 3 BLK 7 HIGHLAND PARK
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	HIGHLAND PARK - BO
Legal Block	7
Legal Lot Number	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2014
Census Tract	12507

Owner

Source: Boulder County records · APN 1577-05-2-06-003

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	2 Individual Names on File
Mailing Address	240 28TH ST, BOULDER, CO 80305-3310
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 20, 2001 · Amount on Record
Deed Sale	Mar 20, 2001 · Amount on Record
Prior Sale	Feb 02, 1999 · Amount on Record
Deed Document Number	20012129276
Last Transfer Date	May 01, 2017
Transfer Doc	0003595510
Record Updated	Sep 20, 2026

June 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Jun 02, 2017
Property Address	240 28TH ST, BOULDER, CO 80305-3310
Document Number	0003595510
Instrument Date	May 01, 2017
Instrument	3595510
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	240 28TH ST, BOULDER, CO 80305-3310

Mortgage

Document Number	0003595511
Date	Jun 02, 2017
Instrument	3595511

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Jun 01, 2027

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
Municipality	Boulder City
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		$66,484 (+8.8%) Land $31,804 Building $34,680	$977,700 (-) Land $467,700 Building $510,000
2025	$5,826.00 (+1.96%)	$61,106 (-12.53%) Land $29,231 Building $31,875	$977,700 (-6.23%) Land $467,700 Building $510,000
2023	$5,714.00 (+13.22%)	$69,861 (+28.54%) Land $34,384 Building $35,477	$1,042,700 (+33.34%) Land $513,200 Building $529,500
2022	$5,047.00	$54,349 Land $26,042 Building $28,307	$782,000 Land $374,700 Building $407,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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	9 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

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 294 locations within half a mile of this property.

Drinking Water

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

Water System	CITY OF BOULDER serves 166,080 people
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 full violation and enforcement history is in the system's EPA record.