1000 Maxwell Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1000 Maxwell Ave, Boulder, CO 80304

Property Summary

Property Type	Apartment House (2-4 Units)
Details	48 bd · 36 ba · 26,142 sqft · built 1971
Lot Size	0.644 acres (28,068 sqft)
Owner	Company Name on Record
Last Sale	$370,000 (Jul 1971)
Tax Bill	$45,052 (2025)
Deeds & Mortgages	Apr 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1461-25-4-01-012`

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-01-012`
Alternative APNs	`R0005330` `0005330`

Interior

Bedrooms	48 Beds
Full Baths	36 Baths
Half Baths	24 Half Baths
Total Rooms	96 Rooms
Units	48 Units
Building Area	26,142 sqft Living Area
Gross Area	27,166 sqft
1st Floor Area	6,678 sqft
Upper Floors Area	14,504 sqft
Basement Area	5,984 sqft
Finished Basement	4,960 sqft
Unfinished Basement	1,024 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	28,068 sqft (0.644 acres)
Deck Area	1,300 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0005330
Street Address	1000 MAXWELL AVE
City	BOULDER
State	CO
Zip	80304-4165
Property Category	Commercial
Property Type	Residential > Multi-Unit > Apartment House (2-4 Units)
Legal Description	LOTS 5-9 & E 10 FT LOT 10 & S 36.7 FT OF W 15 FT LOT 10 & S 36.7 FT OF E 20 FT LOT 11 BLK 1 MAPLETON ID 5331 COMB HERE
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON - BO
Legal Block	1
Legal Lot Number	5
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1012
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	Company Name on Record
Mailing Address	8471 TURNPIKE DR, 222, WESTMINSTER, CO 80031-7027
Owner Type	Company
Vesting	Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 6, 1971 · Amount on Record
Deed Sale	Jul 6, 1971 · Amount on Record
Deed Document Number	1971981719
Record Updated	Oct 29, 2026

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1000 MAXWELL AVE, BOULDER, CO 80304-4165
Document Number	0003707948
Instrument Date	Apr 8, 2019
Transaction Type	Mortgage
Record Updated	Apr 25, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Partnership
Address	8471 TURNPIKE DR WESTMINSTER CO 800314387, WESTMINSTER, CO 80031-4387

Mortgage

Document Number	0003707948
Date	Apr 19, 2019
Instrument	3707948

Lender

Name	BANK OF CO
Type	Bank
Address	LONGMONT, CO 80501

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	60 Months
Due	Apr 18, 2024

Interest

Rate Type	Adjustable Rate

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		$509,320 (+7.79%) Land $151,878 Building $357,442	$7,560,000 (-) Land $2,233,500 Building $5,326,500
2025	$45,052.00 (-20.53%)	$472,500 (-26.09%) Land $139,594 Building $332,906	$7,560,000 (-20.77%) Land $2,233,500 Building $5,326,500
2023	$56,689.00 (+12%)	$639,288 (+21.62%) Land $149,645 Building $489,643	$9,541,600 (+23.44%) Land $2,233,500 Building $7,308,100
2022	$50,613.00	$525,640 Land $96,016 Building $429,624	$7,730,000 Land $1,412,000 Building $6,318,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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 63% of the US · lower than 80% of Colorado
Wildfire Likelihood	0.05% 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 684 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 · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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