402 Maxwell Ave, Boulder, CO 80304 Property Records

Boulder County property record for 402 Maxwell Ave, Boulder, CO 80304 · Last verified June 2026

Property Summary

Property Type	Multi-Family Dwellings
Details	4 bd · 3 ba · 1,962 sqft · built 1890
Lot Size	0.106 acres (4,607 sqft)
Owner	Individual Name on File
Last Sale	$1,325,000 (Nov 2015)
Tax Bill	$13,124 (2025)
Flood Zone	Zone X (minimal risk)
APN	`1461-25-4-06-006`

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-06-006`
Alternative APNs	`R0000900` `0000900`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Units	5 Units
Stories	2 Stories
Building Area	1,962 sqft Living Area
Gross Area	2,270 sqft
1st Floor Area	796 sqft
Upper Floors Area	1,166 sqft
Basement Area	308 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1890
Effective Year Built	Effective 1990
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	4,607 sqft (0.106 acres)
Porch	Porch
Porch Area	216 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0000900
Street Address	402 MAXWELL AVE
City	BOULDER
State	CO
Zip	80304-4507
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	N 1/2 N 1/2 LOTS 27-30 INC BLK 4 MAPLETON
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON - BO
Legal Block	4
Legal Lot Number	27
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	4
Census Block	4004
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-25-4-06-006

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	Individual Name on File
Mailing Address	39 COVESIDE LN, YARMOUTH, ME 04096-5354
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 13, 2015 · Amount on Record
Deed Sale	Nov 13, 2015 · Amount on Record
Prior Sale	May 28, 2015 · Amount on Record
Deed Document Number	20153485125
Prior Transfer Date	Dec 14, 2012
Prior Transfer Doc	0003275610
Record Updated	Sep 20, 2026

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		$146,995 (+8.8%) Land $90,630 Building $56,365	$2,161,700 (-) Land $1,332,800 Building $828,900
2025	$13,124.00 (-0.42%)	$135,106 (-12.1%) Land $83,300 Building $51,806	$2,161,700 (-5.77%) Land $1,332,800 Building $828,900
2023	$13,180.00 (+25.62%)	$153,705 (+40.44%) Land $90,691 Building $63,014	$2,294,100 (+42.53%) Land $1,353,600 Building $940,500
2022	$10,492.00	$109,446 Land $57,324 Building $52,122	$1,609,500 Land $843,000 Building $766,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	High above 78% of the US · above 78% of Colorado
Wildfire Likelihood	About 1 in 226 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values are read at the parcel center point; lenders make the official flood determination.