4150 Baseline Rd, Boulder, CO 80303 Property Records

Boulder County property record for 4150 Baseline Rd, Boulder, CO 80303

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.25 ba · 2,782 sqft · built 1954
Lot Size	0.802 acres (34,914 sqft)
Owner	Individual Name on Record
Last Sale	$665,000 (Nov 2012)
Tax Bill	$7,486 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Jun 2019 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-1-00-002`

Property Details

APN / Parcel Number

Primary APN	`1577-05-1-00-002`
Alternative APNs	`R0014302` `0014302`

Interior

Bedrooms	3 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,782 sqft Living Area
1st Floor Area	2,782 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	34,914 sqft (0.802 acres)
Garage Type	Detached
Garage Area	672 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	715 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0014302
Street Address	4150 BASELINE RD
City	BOULDER
State	CO
Zip	80303-2504
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 2142 LESS ST 5-1S-70
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	TR, NBR 140, 150, 164, 166
Legal Tract	2142
Legal Block	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2003
Census Tract	12511

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on Record
Mailing Address	4150 BASELINE RD, BOULDER, CO 80303-2504
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage CMG MORTGAGE INC
Jun 18, 2019	Deed of Trust, Mortgage · Line of Credit FIRSTBANK
Jul 31, 2018	Deed of Trust, Mortgage · Line of Credit FIRSTBANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 21, 2012 · Amount on Record
Deed Sale	Nov 21, 2012 · Amount on Record
Prior Sale	Sep 9, 2011 · Amount on Record
Deed Document Number	20123269165
Last Transfer Date	Apr 27, 2020
Transfer Doc	0003779750
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4150 BASELINE RD, BOULDER, CO 80303-2504
Transaction Type	Mortgage
Record Updated	May 6, 2021
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003877878
Date	Apr 19, 2021
Instrument	3877878

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4150 BASELINE RD, BOULDER, CO 80303-2504
Document Number	0003723322
Instrument Date	Jun 18, 2019
Transaction Type	Mortgage
Record Updated	Jul 18, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4150 BASELINE RD BOULDER CO 803032504, BOULDER, CO 80303-2504

Mortgage

Document Number	0003723322
Date	Jul 11, 2019
Instrument	3723322

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	Jul 10, 2029

Interest

Rate Type	Adjustable Rate
Rate	5.5%

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4150 BASELINE RD, BOULDER, CO 80303-2504
Document Number	0003670350
Instrument Date	Jul 31, 2018
Transaction Type	Mortgage
Record Updated	Aug 17, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4150 BASELINE RD BOULDER CO 803032504, BOULDER, CO 80303-2504

Mortgage

Document Number	0003670350
Date	Aug 9, 2018
Instrument	3670350

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	Aug 8, 2028

Interest

Rate Type	Adjustable Rate
Rate	5%

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		$80,662 (+2.74%) Land $72,120 Building $8,542	$1,256,200 (-) Land $1,130,580 Building $125,620
2025	$7,486.00 (-0.85%)	$78,512 (-13.83%) Land $70,661 Building $7,851	$1,256,200 (-7.63%) Land $1,130,580 Building $125,620
2023	$7,550.00 (+18.77%)	$91,113 (+33.09%) Land $82,002 Building $9,111	$1,359,900 (+38.06%) Land $1,223,910 Building $135,990
2022	$6,357.00	$68,458 Land $61,612 Building $6,846	$985,000 Land $886,500 Building $98,500

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	15 in force
Nearby Flood Claims	5 (1982–2013)
Claims Outside the SFHA	5 of 5
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 4 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 584 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

May also be available: T-Mobile.

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