1128 Maxwell Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1128 Maxwell Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,440 sqft · built 1894
Lot Size	0.15 acres (6,547 sqft)
Owner	Individual Name on Record
Last Sale	$345,000 (Jul 1999)
Tax Bill	$12,317 (2025)
Deeds & Mortgages	Jan 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1461-25-4-17-001`

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-17-001`
Alternative APNs	`R0005345` `0005345`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,440 sqft Living Area
Gross Area	2,742 sqft
1st Floor Area	1,514 sqft
Upper Floors Area	926 sqft
Basement Area	302 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1894
Effective Year Built	Effective 1995
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,547 sqft (0.15 acres)
Garage Type	Detached
Garage Area	160 sqft
Porch	Porch
Porch Area	109 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0005345
Street Address	1128 MAXWELL AVE
City	BOULDER
State	CO
Zip	80304-4177
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	W 30 FT LOT 1 & E 10 FT LOT 2 OF SQUIRES OUTLOT 1 BREATHS
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	BREATHS - BO
Legal Block	1
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1011
Census Tract	12204

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	Individual Name on Record
Mailing Address	1128 MAXWELL AVE, BOULDER, CO 80304-4177
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 2, 1999 · Amount on Record
Deed Sale	Jul 2, 1999 · Amount on Record
Prior Sale	Nov 4, 1993 · Amount on Record
Deed Document Number	19991956577
Last Transfer Date	Jan 7, 2019
Transfer Doc	0003693323
Record Updated	Oct 29, 2026

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 8, 2019
Property Address	1128 MAXWELL AVE, BOULDER, CO 80304-4177
Document Number	0003693323
Instrument Date	Jan 7, 2019
Instrument	3693323
Transaction Type	Transfer
Record Updated	Jan 17, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1128 MAXWELL AVE BOULDER CO 803044177, BOULDER, CO 80304-4177

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$135,789 (+5.12%) Land $103,285 Building $32,504	$2,066,900 (-) Land $1,588,900 Building $478,000
2025	$12,317.00 (+0.64%)	$129,181 (-9.63%) Land $99,306 Building $29,875	$2,066,900 (-3.13%) Land $1,588,900 Building $478,000
2024	$12,239.00 (+1.77%)
2023	$12,026.00 (+21.6%)	$142,951 (+34.21%) Land $108,118 Building $34,833	$2,133,600 (+39.22%) Land $1,613,700 Building $519,900
2022	$9,890.00	$106,509 Land $69,841 Building $36,668	$1,532,500 Land $1,004,900 Building $527,600

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
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	8 (2013–2022)
Claims Outside the SFHA	6 of 8
Most Recent Claim	Aug 2022 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 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

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

Wildfire Risk	Low lower than 66% of the US · lower than 83% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond 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 System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
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, 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 544 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

Nearby Properties on Maxwell Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures