2135 Arapahoe Ave, Boulder, CO 80302 Property Records

Boulder County property record for 2135 Arapahoe Ave, Boulder, CO 80302

Property Summary

Property Type	Multi-Family Dwellings
Details	3 bd · 2 ba · 1,418 sqft · built 1905
Lot Size	0.185 acres (8,070 sqft)
Owner	Company Name on Record
Last Sale	$479,000 (Apr 2012)
Tax Bill	$9,596 (2025)
Deeds & Mortgages	Jan 2018 Mortgage
Flood Zone	Zone AO (high risk)
APN	`1463-30-8-46-010`

Property Details

APN / Parcel Number

Primary APN	`1463-30-8-46-010`
Alternative APNs	`R0003508` `0003508`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	2 Stories
Building Area	1,418 sqft Living Area
Gross Area	1,462 sqft
1st Floor Area	911 sqft
Upper Floors Area	507 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1905
Effective Year Built	Effective 1980
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	8,070 sqft (0.185 acres)
Garage Type	Detached
Garage Area	342 sqft
Parking Spaces	1 Parking Space
Porch	Enclosed Porch
Porch Area	114 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0003508
Street Address	2135 ARAPAHOE AVE
City	BOULDER
State	CO
Zip	80302-7788
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOT 13 & W 1/2 OF 14 BLK 18 CULVER
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	CULVER - BO
Legal Block	18
Legal Lot Number	13
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1009
Census Tract	12206

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	PO BOX 18114, BOULDER, CO 80308-1114
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 16, 2012 · Amount on Record
Deed Sale	Apr 16, 2012 · Amount on Record
Prior Sale	Jan 7, 2005 · Amount on Record
Deed Document Number	20123216749
Prior Transfer Date	Jan 31, 2007
Prior Transfer Doc	0002833879
Record Updated	Oct 29, 2026

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	2135 ARAPAHOE AVE, BOULDER, CO 80302-7788
Document Number	0003637275
Instrument Date	Jan 5, 2018
Transaction Type	Mortgage
Record Updated	Jan 14, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	PO BOX 18114 BOULDER CO 803081114, BOULDER, CO 80308-1114

Mortgage

Document Number	0003637275
Date	Jan 22, 2018
Instrument	3637275

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	12 Months
Due	Jan 21, 2019

Interest

Rate Type	Adjustable Rate
Rate	5.25%

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		$73,365 (+2.17%) Land $56,576 Building $16,789	$1,148,900 (-) Land $902,000 Building $246,900
2025	$9,596.00 (-0.85%)	$71,806 (-12.99%) Land $56,375 Building $15,431	$1,148,900 (-6.72%) Land $902,000 Building $246,900
2024	$9,678.00 (+42.16%)
2023	$6,808.00 (+16.78%)	$82,524 (+32.76%) Land $66,029 Building $16,495	$1,231,700 (+34.74%) Land $985,500 Building $246,200
2022	$5,830.00	$62,159 Land $48,783 Building $13,376	$914,100 Land $717,400 Building $196,700

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 AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 101 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	174 units insured incl. 73 condo units
Nearby Flood Claims	10 (2013)
Most Recent Claim	Oct 2013 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 9 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	Not rated no burnable land within 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 432 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
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20